Cahill Gordon & Reindel LLP represents clients in trademark, copyright, trade secrets and false advertising litigation before the PTAB and the ITC. The group also assists with IP due diligence land the full range of antitrust matters. Peter J. Amernio co-leads the practice alongside Gerald Flattman.

Steptoe LLP is home to a robust IP litigation team, with an active patent infringement practice, including multi-patent suits, IPRs, and trade secrets. John L. Abramic leads the team.

White & Case LLP‘s patent litigation team boasts extensive PTAB and IPR experience and has represented prominent clients in complex patent infringement suits and post-grant proceedings. Yar Chaikovsky leads the team alongside Anita Varma.

Kirkland & Ellis LLP remains a leading force in patent litigation, servicing high-profile clients in healthcare, technology, manufacturing, and finance. The firm maintains a deep bench of lawyers adept at litigating large-scale, cross-sector cases before the ITC. The team is particularly sought after for their expertise in parallel proceedings, having represented clients in all adjudicative forums for patent disputes. Seasoned litigator Paul Brinkman, based in Washington DC, is well-regarded for his ITC track record both on the plaintiff and the defense side. A prominent trial lawyer, Gregory Arovas is widely known as one of the country’s leading attorneys in high-tech and personal electronics litigation. Adam Alper, practicing in the Bay Area, is a leading IP attorney focusing on patent and trade secret disputes. Gregg LoCascio, praised by clients for his ‘courtroom demeanor, legal knowledge, and strategic thinking’, is a trial lawyer based in Washington DC. Michael De Vries is another prominent name to note. He consistently delivers favourable outcomes for clients in jury trials. Other key practitioners include Sharre Lotfollahi, an expert in high-tech patent litigation, and Brandon Brown, a San Francisco-based litigator recognised for his pre-trial and trial strategy in complex IP disputes.

The full-service IP litigation team at Latham & Watkins is reputed for its technical expertise in healthcare and biotechnology, as well as the ability to achieve favourable results for clients in PTAB’s proceedings, including Inter Partes Review (IPR), Post Grant Review (PGR), and Covered Business Method (CBM). The team has a strong ITC practice, holding a particularly strong record in trade enforcement actions. Gabriel K. Bell, head of the firm’s IP appellate practice based in Washington D.C., remains a leading patent attorney with a strong appeals record before the Federal Circuit, recognised for his expertise in patent eligibility. Another notable attorney is Rachel Renee Blitzer, who brings her extensive trial experience to litigate on behalf of clients in complex high-tech matters. She is also well-regarded for her work beyond the courtroom, including IP licencing and robust due diligence. Prominent IP litigator Doug Lumish has left the firm.

Quinn Emanuel Urquhart & Sullivan, LLP remains a leading player in IP litigation, servicing major clients in pharmaceuticals, telecom and tech. The firm has a strong presence in California and counts Google, Samsung, and Salesforce among its clients. It has recently achieved a federal circuit patent suit win against Apple. The firm’s deep bench includes attorneys with advanced STEM degrees, giving it the necessary expertise to advice on highly-technical matters. Victoria Maroulis, a managing partner of the Silicon Valley office and a co-head of the IP litigation practice, is a seasoned trial practitioner advising on patent, copyright, trademark, and trade secret matters. Another co-head is Sean Pak, a San Francisco-based trial lawyer, offers a wealth of experience in IP litigation on behalf of both plaintiffs and defendants. David Nelson, co-chair of the firm’s IP litigation group operating from Chicago, is singled out for his expertise in patent infringement disputes. Kevin Johnson, a Silicon Valley-based partner, serves as lead counsel for blue-chip tech companies. Yury Kapgan, recognised for his expertise in emerging technology, handles complex commercial and IP matters.

The full-service patent litigation practice at WilmerHale handles patent, copyright, trademark, and trade secret disputes across the most important courts and administrative bodies, including ITC and the US Supreme Court. A go-to firm for pharma and telecom litigation, the group has notably represented a client in one of the first US government lawsuits against a pharmaceutical company for patent infringement. The group is also prominent in software sector, having successfully defended industry leaders like Dropbox and X. Corp in patent infringement suits. The practice is led by five prominent IP litigators: Mark Selwyn, Mindy Sooter, Amy Wigmore, Emily Whelan, and David Cavanaugh. Mark Selwyn, a Palo Alto-based litigator is reputed for successfully handling complex, multi-jurisdictional IP disputes. Mindy Sooter, head of the firm’s Denver office, is a go-to trial attorney for telecom and high-tech patent and trade secret litigation. Emily Whelan, operating out of Boston, spearheads the IP litigation in the life sciences sector. Washington DC- based attorney David Cavanaugh is a recognised expert in administrative proceedings, particularly IPR. William Lee, a leading trial and appellate lawyer, regularly advises on IP disputes. Brittany Amadi is recognised for her trial experience across all litigation stages. Omar Khan is a go-to advisor on trade secrets matters. Sonal Mehta excels in high-stakes technology and life sciences disputes. Joseph Mueller is highly regarded for his trial work. Partners Peter Dichiara, Monica Grewal, Joseph Haag, and Mark Matushak  have retired this year. Partner Alice Ahn joined from Covington & Burling LLP and Adrian Percer joined from Weil, Gotshal & Manges LLP.

Cooley LLP‘s full-service patent litigation team maintains a reputation for technical knowledge and strong track record in jury trials. The firm is particularly active in the technology and life sciences sectors, having represented market leaders like Uber, Meta and Moderna in complex IP disputes. Its recent work includes securing a jury win for a medical device company in a patent interference trial. The IP litigation practice is chaired by Stephen Smith, a Washington DC-based attorney with extensive experience in the US International Trade Commission (ITC) and other federal adjudicative forums. Heidi Keefe is active in the firm’s Palo Alto office, where she acts as a first chair trial lawyer on highly complex, technical patent cases. Reuben Chen, also based in Palo Alto, is a specialist in trade secret litigation and a frequent advisor to a broad range of technology companies. Christa Anderson has left the firm in March 2025.

DLA Piper LLP (US) is home to a robust patent litigation practice, representing patent owners in high-stakes infringement suits, ITC investigations, IPR proceedings and CBM reviews across federal courts and administrative tribunals. The group is particularly active in the technology sector and counts the likes of Sony and LG Electronics among its clients. The firm is highly regarded for its deep bench of jury trial lawyers and high post-trial success rate. Sean Cunningham, a Washington DC-based IP litigator praised for his ‘meticulous attention to detail’ co-chairs the group. Gina Durham, a deputy group leader operating out of San Francisco, is an esteemed litigation strategist. Vice chair Kathryn Riley Grasso is a go-to counsel for medical device and technology companies, with extensive first-chair trial experience. Co-chair Matthew Satchwell is a Chicago-based first-chair attorney with strong credentials before the PTAB. Recently the team has welcomed Shaobin Zhu, operating out of Seattle. Ferlillia Roberson has left the firm.

Finnegan, Henderson, Farabow, Garrett & Dunner LLP's full-service patent litigation team is reputed for its expertise in high-stakes trials, PTAB proceedings and general IP counseling. The firm has a strong reputation in healthcare, representing industry leaders in pharmaceuticals, diagnostics and medical devices. It operates primarily out of Washington DC, but maintains a nationwide bench of patent litigators with extensive experience in federal courts and administrative tribunals. Washington DC-based attorney James Barney serves as the group’s managing partner, and is highly regarded for his technical knowledge and trial team leadership. Jennifer Roscetti, co-head of the litigation and trial department, is best known for her strong track record in ITC and district courts, particularly in disputes related to chemical industry. Chair of the firm Erika Arner, who operates out of Virginia and Washington DC, is one of the most prominent PTAB and Federal Circuit patent litigators in the country, having led several landmark cases.

The patent litigation group at Gibson, Dunn & Crutcher LLP stands out for its strong trial performance across administrative forums and federal courts, including the US Supreme Court. The team is primarily based in New York, and its client list includes industry leaders in tech, life sciences, software and electronics. Its recent high-profile work includes overturning an injunction that had barred its pharma client from launching new treatment due to a pending patent dispute. A global co-chair of the practice group, Josh Krevitt, remains actively involved in litigation, frequently advising companies on trial strategy. Kate Dominguez, co-head of the IP group, serves as lead counsel specialising in the tech sector. Another key leader within the team is Jane Love, a first-chair litigator recognised for her work in the life sciences, she is frequently sought out as a strategic trial advisor. Brian Rosenthal is another prominent litigator focusing on tech patents.

Goodwin‘s patent litigation team boasts technical expertise as well as consistently strong performance before the PTAB; it is particularly visible in the life sciences sector. A significant share of the firm’s bench holds advanced STEM degrees and is able to advise on highly-technical patent disputes. The practice group is also active in tech patent litigation, representing companies in semiconductors, consumer electronics and software. Elaine Blais, a Boston-based trial attorney recognised for her extensive experience in the life sciences litigation, co-chairs the practice group. Another co-chair, Brett Schuman, operates out of San Francisco and is well-regarded for his patent infringement litigation in the telecom sector.

Morrison Foerster practice group is adept at the full-range of patent litigation work, including trade secrets and patent infringement suits. The team is renowned for its track record at the ITC, and consistently strong performance as lead counsel on technology-related patent disputes. Prominent IP litigator Mark Whitaker leads the Washington DC-based team together with Daniel Muino and Mary Prendergast. Daniel Muino is a prominent ITC attorney specialising in Section 337 investigations. Mary Prendergast is an experienced trial attorney highly regarded for her work on high-stakes tech disputes. Another name to note is Daralyn Durie, a nationally recognised trial practitioner on both the plaintiff and the defensive side.

Orrick, Herrington & Sutcliffe practice group, lauded for its ‘practical and strategic approach’ to patent litigation, remains a recognised authority in business-critical ITC disputes. The firm represents clients in a diverse range of industries, including technology, life science, entertainment, energy and agriculture. Alyssa Caridis, Los Angeles-based trial attorney with engineering background is highly regarded for her work on IP protection, co-chairs the group with experienced litigation strategist Sheryl Garko, who operates from the firm’s Boston office. Lauren Drake takes the lead on post-grant proceedings and licensing disputes in the life sciences segment.

Weil, Gotshal & Manges LLP is home to a full-service IP litigation group reputed for its strong appellate record and strategic counseling capabilities in science and technology patents. The team boasts a deep bench of first-chair trial lawyers and ITC practitioners, who are well positioned to represent clients in sophisticated patent litigation work. This year, the firm has underwent a major upheaval in its partner ranks, welcoming seven prominent IP practitioners from Latham & Watkins. Doug Lumish, now co-head of the practice group from California, is a particularly notable addition to the team. A nationally recognised IP trial lawyer, he is reputed for representing blue-chip companies in high-value patent litigation. Jeff Homrig, a Dallas-based first-chair trial lawyer experienced in high-stakes patent matters, co-heads the group. Partners Edward Reines and Derek Walter have left the firm.

Williams & Connolly LLP’s practice is renowned for its strong record in patent infringement litigation, representing some of the world’s biggest companies in pharmaceuticals and high-tech. The firm is particularly active in Washington DC, where it routinely serves in appeals before the Federal Circuit and is highly regarded for its work in the life sciences segment. The practice group is led by tree prominent practitioners based in Washington DC: David Berl, Jessamyn Berniker and Dov Grossman. Co-chair David Berl stands out for his extensive experience in both IPR proceedings before the PTO and trial and appellate patent matters. Co-chair Jessamyn Berniker is a rising star in patent and licensing disputes in the life sciences segment; she also serves as lead counsel for industry leaders like AstraZeneca. Dov Grossman is a go-to trial attorney for biopharma disputes.

Winston Taylor regularly brings ‘preparation, strategic clarity, and courtroom poise’ to patent trials, boasting a significant share of first-chair attorneys on their team. The group is particularly active in banking and electronics, and has extensive experience in PTAB proceedings and ITC investigations. Charlotte-based co-chair of the IP department, Danielle Williams, leads the way on high-stakes damages disputes specialising in the tech sector. Co-chair Nimalka Wickramasekera, operating from the Los Angeles office, is a reference for clients in healthcare and medical devices; she excels in patent jury trials. Chicago-based trial attorney George Lombardi continues to serve as lead trial counsel in high-profile patent disputes. Partner Ya-Chiao Chang and counsel Louis Campbell departed in the summer of 2025.

Arnold & Porter is home to a robust patent litigation practice group with strong credentials in Section 337 disputes before the ITC and trade secret theft disputes. The group boats a deep, international bench of IP attorneys and services industry leaders in technology and biosciences. Dina Hayes, a Chicago-based trial attorney well-versed in trade secret and multiple-patent litigation, chairs the practice.. In 2025, the firm has expanded with the arrival of Abby Parsons and Brent Ray from King & Spalding as well as two counsels from Lee Sheikh & Haan. Partners Michael Berta  and Jennifer Sklenar  have left the firm.

The IP department at Baker Botts L.L.P., praised for ‘technical precision and client management’, handles the full scope of patent litigation and is particularly visible in competitor patent cases and trials before the ITC. The team stands out for a strong appellate record and consistent success in pre-trial motions. Douglas Kubehl, IP attorney based in Dallas recognised for his work on high-profile patent disputes, co-chairs the patent litigation group. Washington DC-based co-chair Katharine Burke is a go-to person for licensing assertions; she is active in the ITC and federal district court. Another name to note is Robert Maier, chair of the New York IP department, who regularly handles complex patent trial work for blue chip companies.

Greenberg Traurig is home to a robust patent litigation group, servicing major players in consumer electronics, life sciences and software. The firm is a reference for biopharmaceutical industry clients, having achieved favorable verdicts in drug compounds patent cases across jurisdictions. New York-based co-chair of the firm’s IP practice, Scott Bornstein, is a prominent figure in patent litigation and has served as lead counsel in numerous disputes in a wide range of sectors. Co-chair Joshua Raskin, lauded for his ‘superb client management’, stands out on defense-side patent litigation. Joshua Raskin also has extensive experience representing plaintiffs and defendants in administrative tribunals.

The patent litigation boutique Groombridge, Wu, Baughman & Stone is prepared to handle the full scope of the practice supported by a deep bench of trial lawyers with technical backgrounds. The group performs consistently well at PTAB trials and is highly regarded for its expertise in litigating pharma and biotech patents. Its leadership is predominantly based in New York.  Nicholas Groombridge, an experienced IP litigator with broad expertise across a wide range of life sciences and technical segments, co-chairs the practice. Co-chair Jennifer Wu, a trial attorney with significant scientific credentials, is a leading litigator in the life sciences. Megan Raymond is a go-to practitioner for post-grant proceedings before the PTAB; she is based in Washington DC.

The patent litigation group at Irell & Manella LLP demonstrates strong performance in jury trials and PTAB proceedings, excelling in patent infringement cases. The team operates primarily out of California, where it handles diverse range of tech disputes frequently litigating against industry leaders in electronics and information technology. Morgan Chu, an esteemed litigator based in Los Angeles, continues to lead the firm’s IP litigation group. He is closely supported by Jason Sheasby, a seasoned trial attorney recognised for his strategic approach to litigation. Partner Amy Proctor has left the firm in October 2025.

The IP litigation practice group at Knobbe Martens Olson & Bear LLP excels in patent infringement disputes and performs consistently well at the administrative tribunals. The group handles matters across a wide range of industries and has gained a significant share of clients in the medical technology sector. The team maintains a nationwide presence and is particularly active in Orange County, California and Washington DC. Sheila Swaroop, an experienced patent attorney who has led pre-litigation strategy and patent enforcement through every major venue, is at the helm of the practice. Jonathan Bachand is a go-to advisor for PTAB proceedings and an effective life sciences litigator in contested patent matters.

McDermott Will & Schulte’s IP department is home to a robust patent litigation team whose capabilities include jury and bench trial work, patent and design infringement matters as well as strategy. The firm leverages its international bench strength to handle cross-border IP disputes, excelling in the energy, technology and life sciences sectors. The global IP practice is co-led by Douglas Carsten, a first-chair trial litigator based in San-Diego, whose track record involves litigating on behalf of the biggest companies in pharmaceuticals and biotech. Boston-based Sarah Columbia is an experienced strategist and a go-to litigator for trade secret, and invalidity trials. Timothy Best joined the team in November 2025 from Gibson, Dunn & Crutcher LLP. April Weisbruch left the firm in April 2025.

The patent litigation attorneys at McKool Smith, described by clients as ‘great strategists in litigation and business’, have extensive experience in handling complex international disputes and representing clients before the ITC. The team is singled out for its strong trial performance on the defense-side and expertise in high-stakes technology matters. Dallas-based trial lawyer David Sochia sits at the helm of the practice. Experienced in high-stakes patent litigation, he regularly represents both plaintiffs and defendants in federal and state courts across jurisdictions. Eliza Beeney, a New York-based litigator, is a go-to advisor for patent infringement matters. Nick Matich has left the firm in April 2025.

Venable LLP‘s full-service IP litigation practice group, lauded for its ‘exceptionally strategic litigation judgment’ and a ‘business-oriented mindset’ has experience handling sophisticated patent matters on both the plaintiff and defense side, litigating the full range of IP disputes. The group is particularly active in pharmaceuticals, automotive, software and tech patent litigation. Megan Woodworth , a Washington DC-based IP attorney experienced in patent litigation and appeals, leads the team together with Frank Gasparo, a Federal Circuit litigator, and Michael Sandonato, a trial attorney with extensive experience before the ITC and in arbitrations. In 2025, partners Eric Krause and Jeannine Yoo Sano joined the group from Axinn Veltrop & Harkrider. Partners Richard Wells  and Steven Lubezny have left the firm.

The full-service IP department at ArentFox Schiff boasts a capable patent litigation team which is ‘particularly strong in patent defense matters’. The team routinely advises pharmaceutical and life sciences companies and maintains a strong record in resolving cross-border patent disputes. Janine Carlan, a Washington DC-based patent litigator who stands out for her success in ITC proceedings, co-leads the team with Sailesh Patel, a well-known expert in the the life sciences litigation from Chicago. Jasjit Vidwan has left the firm in April 2025.

Duane Morris LLP‘s IP department maintains a strong patent litigation team, covering the full gamut of the practice. The firm services a broad range of blue-chip companies, including Apple and LG Electronics, and is highly regarded for its consistently strong performance before the PTAB and ITC. Atlanta-based  Louis Norwood Jameson, an IP trial attorney reputed for his lead counsel in numerous bench and jury trials, chairs the practice group. He is closely assisted by Philadelphia’s Christiane Schuman Campbell and Atlanta’s Matthew Gaudet, who serve as vice chairs. Stuart Bartow is a trial lawyer to note for technology patents, he is based in Delaware but litigates routinely in California.

Fenwick & West LLP‘s patent litigation team continues to have active presence in the technology and life sciences segments, covering the entire scope of the IP practice. The firm services industry leaders like Google, Amazon and Meta Platforms, often acting as lead counsel on high-profile patent disputes. Saina Shamilov, a Silicon Valley-based patent attorney recognised for her PTAB trials expertise, co-chairs the team with Robert Counihan, a go-to litigation strategist from New York. Seattle-based trial attorney Melanie Mayer, a lawyer with a doctorate in molecular biology and genetics, excels in life sciences patent disputes.

Katten's IP litigation team specialises in pharmaceuticals, representing major industry players in patent infringement disputes at the pre-trial, trial and the appellate levels. The group also maintains active presence in technology IP, and has repeatedly defended patent owners before the PTAB. Three prominent patent practitioners lead the team. Deepro Mukerjee is recognised for his extensive track record as a lead trial counsel in high-stakes litigation. Lance Soderstrom is a go-to advisor on pharmaceutical matters, and Brian Sodikoff is highly regarded for his Hatch-Waxman patent litigation expertise. Partners Anthony Del Rio and Kate Hardey joined the team from Kirkland & Ellis.

Chicago IP boutique, Marshall, Gerstein & Borun LLP, has a sophisticated litigation team capable of handling high-stakes patent infringement and other disputes in state and federal court and in front of the PTAB and ITC. The team represents international companies, educational institutions, and innovative startups across the pharmaceutical, electrical, and mechanical technology industries. Past electrical engineer Benjamin Horton leads the litigation team and has litigated matters involving complex technologies, including LED, medical devices, and semiconductors. Other active members of the team include Thomas Duston, who has extensive lead counsel trial experience in patent infringement, unfair competition, and trade secrets disputes, and Mark Izraelewicz, who has achieved substantial trial results for large pharmaceutical clients.

Mayer Brown‘s patent litigation team is reputed for its strong performance at the ITC, strategic advisory work and a deep bench of  trial attorneys with first-chair litigation experience. The firm is active across courts and administrative tribunals, its range of forums has recently expanded to include Europe’s Unified Patent Court (UPC). The firm is led by three notable IP attorneys. New York-based Lisa Ferri is a global co-head of the IP group, who specialises in life sciences. Jamie Beaber is a recognised litigation strategist based in Washington DC. He regularly advises global technology companies on trial matters. Michael Molano is the firm’s IP practice leader for California, best known for his work for district courts and before the ITC.

Norton Rose Fulbright‘s IP litigation team handles the full range of patent-related matters, servicing industry leaders in semiconductors, telecom and retail. The firm provides nationwide coverage, with a particularly strong presence in Texas, where it routinely litigates cases in some of the most challenging jury trial jurisdictions. The firm also draws on its wider international presence to advise on cross-border IP and competition disputes. Daniel Leventhal , a Texas-based high-tech patent litigator, co-heads the group with Tim Kenny, an IP trial attorney who operates out of Minneapolis. Mike Solomita, lauded for his ‘insights and guidance’ in litigation strategy, is noted for his expertise in technology patent counseling and USPTO proceedings.

O'Melveny‘s IP practice group is active in a wide range of industries, with strong foundation in tech and life sciences as well as presence in less-represented sectors in patent litigation like entertainment, a current area of expansion for the firm. The team benefits from a deep bench of first-chair trial attorneys, many of whom come from technical backgrounds. Ryan Yagara, Los Angeles-based chair of the firm’s IP practice group, is reputed for his strong trial performance and handling of complex patent infringement matters. Shawnna Yashar, an expert in standard essential patents, joined the team in April 2025. Gregory Morris has left the firm in October 2025.

Reed Smith LLP is home to a robust IP practice group, covering the full scope of patent litigation and maintaining an active presence in courts and administrative tribunals. The firm draws on its wider international presence to handle sophisticated cross-border work for clients in a wide range of industries. The team is led by Houston-based IP attorney Peter Chassman. Described as ‘exceptional client relationship manager’, he combines extensive trial experience with deep technical expertise, regularly advising clients on high-tech patent disputes. Jonah Mitchell is a go-to trial attorney for high-end technology litigation; he is active across the West Coast.

Sheppard’s IP practice group is reputed for its strong performance in patent competitor cases and PTAB proceedings. The firm is particularly active in California, where it regularly represents blue-chip tech and media companies such as Amazon and Netflix in complex patent disputes across federal district courts and administrative venues. Wynter Deagle and Steven Schortgen co-lead the IP practice group. Steven Schortgen is a Dallas-based first-chair trial attorney with extensive experience before the Federal Circuit. California-based Martin Bader, lauded by clients as a ‘phenomenal attorney’, handles the full range of patent litigation for the firm’s tech clients. He is closely assisted by Ryan Cunningham, noted for his strategic approach to litigation on a global scale. In 2025, the team underwent major expansion, welcoming five partners from Ropes & Gray LLP.

Sidley Austin LLP‘s IP litigation practice group services clients in a wide range of sectors, including technology, life sciences, energy and manufacturing. The firm is reputed for its consistently strong performance before the court of appeal for the Federal Circuit and before the PTAB. The team is led by four capable practitioners, operating nationwide. Ching-Lee Fukuda is a seasoned New York-based patent and trade secret litigator, notable for her numerous trial wins and team leadership. Chicago’s Stephanie Koh is a go-to advisor for high-stakes dispositive motions, her technical background enables her to advise ion high-end technology patent litigation. Jeffrey Kushan from Washington DC regularly acts as lead counsel in PTAB proceedings. Irene Yang is a California-based trial attorney, specializing in high tech and life sciences industries.

Willkie Farr & Gallagher LLP‘s patent litigation team handles high-profile IP disputes across a wide range of sectors, including technology, entertainment, manufacturing and pharmaceuticals. The team is active across state and federal courts, it also regularly acts on the clients’ behalf in PTAB proceedings. Sara Tonnies Horton, a prominent Chicago-based IP lawyer experienced across every major litigation and regulatory venue, leads the IP litigation practice group together with Krista Schwartz, a first chair trial attorney specialising in technology sector from San Francisco. Barrington Dyer is a name to note for IP litigation involving software and high-tech; he is based in California.

The IP litigation group at Akin covers the full scope of patent litigation, specializing in life sciences. The group maintains a particularly strong position in medical devices, and has repeatedly acted on behalf of industry leaders in enforcement proceedings before the ITC. The firm operates primarily out of Philadelphia and New York. Steven Maslowski, a Philadelphia-based expert in life science litigations, leads the practice. Cono Carrano, head of the Washington DC IP group, is a highly experienced patent attorney active across every major IP venue.

BakerHostetler is home to an established patent litigation team active across the chemical, fintech, and software segments. The firm draws on its deep bench of trial attorneys to litigate in federal district courts and before the ITC and PTAB. Its recent notable work includes representing clients in high-stakes jury trials and counseling in lengthy PTAB proceedings. Mark Tidman, a Washington DC-based attorney, chair the firm’s IP group. Kevin Kirsch is a go-to patent litigator experienced in a diverse range of disputes, including trade secrets and copyright work.

Cravath, Swaine & Moore LLP is home to an active patent litigation team specialising in the energy sector, with a strong focus on renewables IP disputes. The group is also active in the life sciences, and have recently secured several wins for healthcare equipment company before the Federal Circle. Lauded by clients for a ‘combination of ability, thoughtfulness, talent, and people skills’, the team is co-led by New York-based patent attorneys Keith Hummel and David Kappos. Hummel is reputed for his handling of high-end patent infringement matters, while Kappos is a go-to counsel on complex IP matters. Sharonmoyee Goswami excels in complex patent litigation, including antitrust proceedings. David Marriott has left the firm in 2025.

Dechert‘s IP practice group is reputed for its work in the life sciences, servicing prominent clients like Johnson & Johnson. The firm regularly acts as lead counsel in high-profile patent disputes and related class actions. Katherine Helm, the newly-appointed head of the patent litigation group, is a seasoned IP attorney with extensive experience in pharmaceuticals operating out of New York. Martin J Black is a Philadelphia-based trial lawyer recognised for his strong track record as a defense attorney and appellate advocate. Anish Desai has joined the firm.

Dickinson Wright PLLC remains a prominent force in patent litigation, handling complex patent infringement claims, representing clients in federal and state courts, as well as in post-grant proceedings before the PTAB. The ‘knowledgeable and reliable’ team is led by two Michigan-based patent attorneys John Artz and Philip Rettig, as well as Denver-based Frank Long. John Artz is a go-to IPR counsel with extensive experience before the federal courts. He is closely assisted by Steven Caloiaro, a capable litigator with rare expertise in online gaming industry.

Holland & Knight is home to an active patent litigation group with strong presence in manufacturing, telecom and software industries. The firm draws on its deep bench of trial attorneys to litigate on behalf of blue-chip companies like AT&T and Ericsson in the appellate and district courts across the country. R. David Donoghue, a Chicago-based trial counsel, leads the team. In 2025, the firm has welcomed three partners to their IP litigation department: Kyle Straughan, Nathan Paine and Adam Matherly.

K&L Gates’s patent litigation team maintains a strong position in tech and healthcare sectors, regularly representing clients in patent infringement matters and damage claims. The firm draws on its global bench of lawyers to assist on cross-border IP disputes, it also remains active in PTAB proceedings and appellate and district courts. Theodore Angelis, a first-chair trial attorney in ITC proceedings and federal district courts from Seattle, leads the team. In 2025, partners Sam Breeze and Fei Shen joined the practice group from Lee & Hayes, PC and Kilpatrick Townsend & Stockton, respectively.

The IP litigation group at Kasowitz LLP, lauded for its ‘deep technical and trial skills’, is primarily active across software, telecom and manufacturing sectors. It regularly represents clients in federal patent litigations and PTAB proceedings, and has a proven track record with both plaintiffs and defendants. Jonathan K. Waldrop, a seasoned patent and trademark litigation attorney, chairs the IP practice group from San Francisco. In 2025, the team has welcomed three partners from McDermott Will & Schultel: Timothy Gilman, Daniel Apgar and Robert Pickens. Timothy Gilman, who now leads the patent litigation team in New York, is recognised for his ‘deep understanding’ and strategic approach to patent litigation.

Kilpatrick Townsend & Stockton‘s IP group covers the full scope of the practice, representing clients across federal district courts and administrative tribunals. Reputed for its trial skills and technical expertise, the team regularly litigates on behalf of market leaders in finance and manufacturing. The firm also serves as IP defense counsel, helping companies manage and navigate patent risks. Matias Ferrario, a patent attorney from North Carolina with extensive experience in federal courts, co-heads the patent litigation group with Russell Korn, an Atlanta-based first chair trial lawyer. Kate Geyer, praised for her ‘sharp analysis and outstanding research capabilities’, stands out for her strong trial performance.

The patent litigation group at Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. maintains a strong position in the life sciences sector, representing market leaders in federal district courts and administrative tribunals. It also acts as IP defense counsel, advising blue-chip companies like Eli Lilly on litigation strategy and navigating patent risks. Boston-based Michael Renaud, a prominent IP strategist, co-chairs the practice group with Thomas Wintner, recognised for his strong trial performance and extensive technical knowledge. In 2025, the firm underwent major changes, welcoming Daniel Brownstone from Fenwick & West LLP. Christina Sperry, Frank Gerratana and Pedro Suarez have left the firm.

The IP litigation group at MoloLamken LLP is reputed for its extensive PTAB experience and its strength in handling matters before the Supreme Court and the federal courts of appeals. Jeffrey Lamken, recognised for his work on high-stakes patent appeals, co-leads the practice alongside Michael Pattillo, who excels at all stages of the trial process. Partners Sara Margolis, Ben Quarmby, and Lauren Weinstein  left the firm in December 2025 and January 2026, respectively.

Nixon Peabody LLP‘s IP department is home to robust patent litigation practice, regularly serving as lead counsel for both plaintiffs and defendants in high-profile matters. The firm maintains a strong presence in the technology sector, representing prominent companies in electronics and software in across the full range of patent disputes and post-grant proceedings. Daniel Schwartz, a Chicago-based trial attorney praised for his advisory work, co-heads the practice with Seth Levy, who operates out of LA. Sasha Rao is a go-to trial attorney for tech sector patent disputes; she is based in Silicon Valley.

Paul, Weiss, Rifkind, Wharton & Garrison LLP is home to an active IP litigation team, reputed for its strong performance before the PTAB and high-profile appellate courts. The team is primarily active in tech, healthcare, retail and financial services, representing industry leaders like Dolby and IBM in patent disputes. Catherine Nyarady, an esteemed trial attorney based in New York, leads the patent litigation group. Elizabeth Stotland Weiswasser is a leading trial attorney in the life sciences sector, operating out of New York. Kripa Raman is a notable name in licensing and trade secrets disputes. Anish Desai has left the firm.

Rakoczy Molino Mazzochi Siwik LLP is a patent litigation boutique specialising in life sciences. The firm is primarily based in Chicago, where it routinely litigates on behalf of some of the leading pharmaceutical companies with a strong focus on generics-related lawsuits. Its deep bench includes lawyers with extensive experience in Hatch-Waxman litigation who provide counselling to life sciences companies on IP matters. Paul Molino, a well-established IP litigator in the pharmaceuticals, co-manages the firm with William Rakoczy, reputed for his trial and appellate record.

Sidley Austin LLP‘s IP litigation practice group services clients in a wide range of sectors, including technology, life sciences, energy and manufacturing. The firm is reputed for its consistently strong performance before the court of appeal for the Federal Circuit and before the PTAB. The team is led by four capable practitioners, operating nationwide. Ching-Lee Fukuda is a seasoned New York-based patent and trade secret litigator, notable for her numerous trial wins and team leadership. Chicago’s Stephanie Koh is a go-to advisor for high-stakes dispositive motions, her technical background enables her to advise ion high-end technology patent litigation. Jeffrey Kushan from Washington DC regularly acts as lead counsel in PTAB proceedings. Irene Yang is a California-based trial attorney, specialising in high tech and life sciences industries.