Weil, Gotshal & Manges LLP represents both plaintiffs and respondents in Section 337 investigations and trials, led by Eric Namrow, who joined the Washington DC office in Aug 2025 from Morgan, Lewis & Bockius LLP.

Wolf Greenfield & Sacks supports clients through all levels of patent litigation, from state and federal forums to ITC investigations, steered by Gregory Corbett in Boston and Libbie DiMarco in Washington DC.

Clients praise the ITC practice at DLA Piper LLP (US) for its ability to ‘understand business needs’ and align them with litigation aims, whether the goal is to defend from claims of infringement or to exclude competitors from the US market. The members have a breadth of experience representing both applicants and respondents within Section 337 investigations, defending from exclusion orders and filings by non-practising entities, and handling contemporaneous District court actions. At the forefront of the practice are Erin Gibson and Sean Cunningham from Washington DC, proficient in domestic industry cases and trials, respectively; Helena Kiepura, also based in DC, prolific as ITC defence counsel; and Matthew Satchwell in Chicago, experienced in bet-the-company litigation. High-tech matters specialist Mark Fowler, in Palo Alto, is also a core member of the practice, along with Daniel Valencia, who operates out of DC and is recommended for offensive actions.

Noted for its ‘strong win record at the ITC’, Kirkland & Ellis LLP is repeatedly called upon by both domestic and foreign clients, including Fortune 500 companies. The team represents manufacturers of tech and life sciences products engaged in Section 337 investigations, usually facing cease-and-desist or exclusion orders, and often supports its clients in reaching favorable settlements. Standout members of the practice are Washington DC practitioners Paul Brinkman, an expert in international trade law; Gregg LoCascio, proficient in competition matters; Christopher Mizzo, who sports extensive trial experience; and Karthik Ravishankar, trusted advisor on non-practicing entity filings. The group is also active in New York, where Joseph Loy oversees high-stakes patent litigation, Todd Friedman excels in cross-border mandates, and Leslie Schmidt advises on FRAND issues. Chicago-based Jay Emerick can also support with proceedings before the PTAB.

With a record number of appearances before the ITC, Latham & Watkins’s prolific Section 337 practice is noted for being ‘extremely capable’ and instilling ‘a high level of confidence’ within its clients. The team regularly represents global industry leaders in disputes against competitors, with a proven track record in pursuing and defending Fortune 500 companies and start-ups in injunctive relief proceedings, often dismissing litigation, obtaining favorable settlements, and affirming wins on appeal. Operating out of Washington, DC, the group is headed by Michael Morin, recommended for cross-border IP mandates. Other names to remember are Kevin Wheeler, prolific in multi-patent and multi-party proceedings; Michael David, an expert in ITC investigations; Jamie Underwood, who stands out for her proficiency in tariffs and Customs policies; and Cecilia Peniza, who specializes in licensing agreements.

Representing both domestic and foreign litigants in competitor disputes, the ITC practice at Quinn Emanuel Urquhart & Sullivan, LLP features an established clientele with leading names from various tech and life sciences industries, as well as emerging companies activating in innovative sectors. The team offers end-to-end litigation support, from Section 337 investigations to trials in administrative courts and appeals before the Federal Circuit. Jointly leading the department are Washington DC-based duo Alex Lasher, experienced in exclusion order enforcement proceedings, and Kevin Chu, an expert in USPTO procedures, which allows them to guide the client through all phases of patent assertion. Other key members in the DC office are seasoned trial attorneys Jeffrey Gerchick and Jared Newton, often overseeing cases through favorable verdicts; San Francisco practitioners Drew Holmes and Sean Pak focus on high-tech and AI-based products, while Kevin Johnson in Silicon Valley is an expert in litigating cutting-edge technologies.

Finnegan, Henderson, Farabow, Garrett & Dunner LLP’s ITC practice draws on diverse technical backgrounds and regularly appears before the Commission on behalf of tech and life sciences industry leaders, with standout proficiency in semiconductor litigation. The department benefits from the joint leadership of a group of experts operating out of Washington DC – Smith Brittingham, who has extensive experience in unfair import investigations; Mareesa Frederick, proficient in a wide variety of technologies; James Barney, with a track record of success as an appellate attorney; and Erika Arner, who also practices in Virginia. Other names to remember are Lionel Lavenue, also in Virginia, recommended for trials; Forrest Jones in DC, who offers end-to-end litigation support; J. J. Preston Long, also in DC, an expert in standard-essential patents; and Michael Kudravetz in Boston, an adept advisor on damage claims. Elizabeth Niemeyer retired in May 2025.

Praised for its ability to ‘balance legal and client needs’, the team at Orrick, Herrington & Sutcliffe is continuously entrusted with high-stakes patent litigation in various forums across the US, including the ITC. With standout experience in contentious tech mandates, the members have a proven track record in representing innovative companies within competitor disputes, frequently assisting East Asian manufacturers in entering the US market. Jointly leading the practice is Alyssa Caridis in Los Angeles, prolific in trials, and Sheryl Garko, who is based in Boston. Clients can also rely on the services provided by key members Bas De Blank in Silicon Valley, experienced in import bans and general exclusion orders; Josh Pond in Washington DC, proficient in unfair competition issues; Richard Martinelli, who operates out of New York and is an adept appellate attorney; and Tom Chen in Orange County, a specialist in public interest analysis.

Drawing upon the members’ various technical backgrounds, the ITC practice at Baker Botts L.L.P. has built a reputation litigating a wide range of technologies on behalf of global tech leaders. Alongside its expertise in Section 337 litigation, the team also frequently handles settlement negotiations, infringement-based product removals, and enforcement proceedings before the Customs and Border Protection. The group is jointly steered by a seasoned trio – Christa Brown-Sanford in Dallas, adept at multi-patent litigation; Jennifer Tempesta in New York, who is experienced in multijurisdictional mandates; and Lisa Kattan in Washington, DC, a specialist in unfair import investigations. Seasoned trial attorney Katharine Burke, also in DC, is another key member, along with Robert Maier, based in New York, who is recommended for competitor disputes.

Praised for the ability to ‘integrate deep Section 337 litigation expertise with real-world trade, customs, and commercial strategy’,  Bartkowski PLLC, based outside of Washington DC, is a name to note for clients seeking ITC services in a boutique setting. The team frequently acts in ITC investigations involving domestic patent holders, foreign infringers, representing applicants, respondents, and third parties. Noted for being ‘direct, decisive, and grounded in how the ITC functions’, Paul Bartkowski leads the practice with standout experience in proceedings arising out of infringing imports; Thomas Burns is also a key member, adept at handling discovery, witness examinations, and depositions.

Recommended for its ‘bespoke strategies’ and ‘deep expertise at the ITC’, the King & Spalding team provides end-to-end support regarding patent litigation - from district court proceedings, to appearances before the ITC and the PTAB. Stephen Baskin co-leads the group from Washington DC with notable experience in bet-the-company disputes, along with prolific tech litigator Neel Chatterjee, who joined the Silicon Valley office in July 2025 from Goodwin. Other key members are Jeffrey Telep and Brian Hill in DC, adept at importation disputes and tech litigation, respectively; Dara Kurlancheek, also in DC, adept at multi-party defence; Angela Tarasi in Denver, proficient in complex tech matters; and Patrick Lafferty, who supports the DC team as a registered patent attorney. Amadou Diaw also joined the DC team from Goodwin in Aug 2025, specializing in innovative tech mandates.

The team at Morrison Foerster is repeatedly relied upon by multinational companies engaged in Section 337 proceedings, acting as both enforcement and defence counsel. With a proven track record in handling complex IP disputes and obtaining injunctive relief, the practice is recommended for multi-patent litigation and exclusion order matters. The department operates out of Washington DC and benefits from the joint leadership of Mark Whitaker, a seasoned advisor to tech companies; Daniel Muino, an expert in patent infringement disputes; and Mary Prendergast, with extensive experience in ITC investigations. Other names to remember are Palo Alto-based Lily Li, who can advise on non-practising entity filings, and Jenna Seleznick in DC, providing case-management support and litigation assistance.

O'Melveny provides comprehensive patent litigation services, supporting clients through all stages of an action – from filings under Section 337, discovery, and pre-litigation, to investigations and trials, often involving cross-border elements or multi-forum representation. With standout expertise in the tech sector, the team’s portfolio spans a wide range of technologies, including AR/VR headsets, mobile devices, and semiconductors. The group benefits from the guidance of seasoned litigation attorneys Ryan Yagura, who operates out of Los Angeles and specializes in patent infringement disputes and tech licensing, along with Washington DC-based Sean Trainor, an expert in both establishing and disproving the domestic industry requirement within ITC investigations. Rob Shaffer, also based in DC, is another name to remember, sporting broad trial experience.

Alston & Bird LLP is a key choice for tech companies seeking protection for their products in the global market or defence from patent infringement suits. The team has notable experience handling multi-patent proceedings, competitor disputes, and bet-the-company litigation. The practice is jointly steered by Washington DC-based Adam Swain, well-regarded as lead counsel in ITC investigations, and Scott Stevens in Charlotte, a seasoned trial attorney. Other core members of the group are John Haynes in Atlanta, who has obtained favorable initial determinations for several clients, and Jennifer Cieluch in New York, who leverages a background in engineering.

The ITC litigation practice at Goodwin is a key port of call for companies conducting their activities in the tech, medical devices, and consumer products sectors that are facing Section 337 investigations. With particularly high levels of activity in competitor disputes, the members handle motion filings, discovery, witness, and expert examinations, frequently obtaining favorable verdicts before trial. The department is headquartered in Washington DC, where PJ McCarthy leads the group and is a name to remember for emergency relief proceedings. Another noteworthy practitioner is Boston-based Molly Grammel, an expert in patent infringement mandates involving cutting-edge tech issues and life sciences products.

Greenberg Traurig‘s ITC service offering includes a wide range of proceedings, including Section 337 investigations, exclusion orders, and appeals. The team adeptly handles filings to the ITC regarding infringing imports, while also being a key choice for clients facing allegations of infringement. With a proven track record in managing disputes between competitors, the members are sought after by domestic patent holders seeking to bar foreign manufacturers from the US market, frequently coordinating with teams from different jurisdictions. New York-based Scott Bornstein leads the practice, with a longstanding reputation as a trial and global litigation expert. Houston’s Dwayne Mason is also a core member of the group, sporting wide experience in various US forums, including the International Chamber of Commerce, while Cyrus Frelinghuysen in Washington DC can advise on matters involving the Customs and Border Protection (CBP) and the Office of Foreign Assets Control (OFAC).

Clients frequently call upon the ITC team at Husch Blackwell LLP in critical moments that require strategic analysis, whether the aim is to avoid trials, reach favorable settlements, or secure victories on appeal. Acting as both enforcement and defence counsel, the attorneys have broad experience advising on competitor disputes and remedies, including cease-and-desist and exclusion orders. Practising in both Kansas City and Washington DC, Beau Jackson leads the group with extensive experience in Section 337 trials. Other names to note are St. Louis-based members Jennifer Hoekel, recommended for appellate proceedings; Kara Fussner, noted for her litigation strategies; and Paul Smelcer, adept advisor to innovative companies.

Noted for its 'custom strategies' and 'trial-tested' members, White & Case LLP presents an ITC practice geared to support clients through Section 337 investigations and trials, with standout experience in competitor disputes. Yar Chaikovsky leads the group from Silicon Valley, with extensive experience in trying cases. Core members of the practice are Jordan Coyle in Washington DC, praised for his ‘mastery of ITC knowledge and case precedent’; Philip Ou, also in DC, specializing in tech disputes; and Palo Alto-based Bruce Yen, who leverages his engineering background to streamline communication with in-house technical teams.