Arnold & Porter‘s growing practice gained former US Attorney General Merrick Garland in May 2025, and offers expertise across single- and multi-state investigations, as well as issues brought by City Attorneys. The team is co-led by San Francisco-based Meredith Osborn, as well as Michael Rogoff and Michael Krouse, who are both in New York.

Recommended for its ‘unrivalled’ combined knowledge, the state attorneys general practice at Dentons is comprised of a number of former Attorneys General and those with experience in AG offices. The team maintains relationships with AG offices nationally, and supports clients across the technology, pharma, energy, and telecoms industries as well as more broadly. Practice head Thurbert Baker, former Georgia Attorney General now working across Atlanta and Washington DC, handles corporate compliance and investigations, multi-state litigation, and public policy matters. Based in DC, former Florida Attorney General Bill McCollum co-chairs the practice and has notable experience supporting companies with disruptive new technologies. Dan Gibb, also in DC, has wide ranging experience with consumer protection issues, and former Georgia AG Samuel Olens handles both state AG and local government affairs matters from Atlanta. In Chicago, Shannon Shin is a key name recognized for litigation work, notably with automotive industry clients. Angelina Whitfield retired in June 2025.

The State Attorneys General team at DLA Piper LLP (US) has a presence across the West and East Coasts, with co-heads Jeffrey Tsai and Scott Wilson based in San Francisco and New York respectively. Its expertise spans major issues in the life sciences and pharma sectors, as well as consumer protection, environmental matters, cryptocurrency, and children’s online privacy. Tsai takes on complex civil and criminal enforcement matters, ranging from unfair trade practices to antitrust and healthcare, drawing on his government experience, including serving as an Assistant AG in California. Furthermore, he is noted for his work in the growing e-commerce, fintech, fantasy sports, hospitality, and online higher education industries. Wilson is a go-to for multinational companies, and brings expertise from his time as senior advisor and special counsel to the New York AG. In Dallas, Meagan Self is experienced in class action and multi-state litigation, having advised manufacturers, insurance companies, financial institutions, and pharmaceutical corporations, including recent work for Pfizer in cases brought by the Texas and Kansas AGs. Victor Domen departed the team in January 2026.

The ‘knowledgeable and experienced’ State Attorneys General investigations and litigation practice at O'Melveny draws on a multi-disciplinary team handling high-profile matters across plastics, social media, AI, fintech, reproductive rights and climate change, amongst other spaces. Recent standout work includes defending TikTok in litigation filed separately by 17 state attorneys general over alleged violations of state consumer protection laws. With particular strength in the life sciences, tech, energy, and consumer products sectors, the team takes on matters involving Medicaid fraud, cybersecurity, and data privacy. Practice co-chair Daniel Suvor, in Los Angeles, specializes in high-stakes litigation, bringing expertise from his time as chief of policy and senior counsel to California AG Kamala Harris. In Washington DC, co-chair Steven Brody is noted for trial experience, leading multistate AG investigations, and New York co-chair Ross Galin is a go-to adviser for pharmaceutical and medical device companies, as well as their executives and employees. Lauren Kaplan, based in LA, is also recommended.

Troutman Pepper Locke LLP‘s state attorneys general team combines expertise across its regulatory investigations, strategy, and enforcement practice to support clients dealing with both Attorneys General and regulators. The team regularly provides advice regarding both immediate legal challenges and ongoing regulatory compliance. Practice co-head Clayton Friedman, based in Orange County, has experience spanning the energy, mass media, telecoms, and tech industries, including fintech products. In Richmond, co-head Ashley Taylor has notable capabilities in multistate AG investigations, as well as enforcement actions and related litigation. He is further supported by Stephen Piepgrass, a key team member. Lauren Morgan Fincher is the go-to in Texas, advising financial institutions, healthcare clients, insurance companies, and consumer product firms, among others, while Michael Yaghi, based in Orange County, is a key name for litigation. The team further expanded its capabilities with the addition of Matthew Berns , who joined the Philadelphia team in November 2025 from the New Jersey Attorney General Office.

Kirkland & Ellis LLP

The state and local government enforcement team at Morrison Foerster draws on the firm’s strength in investigations and white-collar defense, as well as the team’s breadth of experience, to support high-profile clients facing investigations by Attorneys General, as well as parallel actions brought by federal prosecutors and enforcement agencies. The team counsels on matters involving antitrust, consumer protection, cybersecurity and data privacy, environmental law, state False Claims Act provisions, and related issues, working closely with colleagues across the firm. New York-based practice head Carrie Cohen leverages her experience in the New York Attorney General’s Office and has particular expertise in public corruption matters. Cohen is also noted for her work on securities and investment fraud, consumer fraud issues, and data breaches.

The state attorneys general investigations and enforcement team at Orrick, Herrington & Sutcliffe provides ‘coverage, strategic insight, and support’ to clients in state AG investigations and lawsuits concerning consumer protection claims, environmental law, cyber security incidents, antitrust issues and qui tam actions. The team draws on its members’ experience in AG offices to build and maintain relationships with AGs across the country. Practice head Rob McKenna served two terms as Washington Attorney General, as well as serving as President of the National Association of Attorneys General. McKenna, based in Seattle, has notable expertise in large-scale, complex consumer protection cases involving mortgage lending and servicing, and has pioneering experience handling internet fraud and anti-spyware issues. Brian Moran, also based in Seattle, is recommended for his significant public sector experience. In Washington DC, Andrew Cooke focuses his practice on advising Fortune 500 companies before state AGs across a range of issues, leveraging experience as Deputy Attorney General for the State of Wisconsin. Anisha Dasgupta joined the New York team in July 2025 from her role as General Counsel of the US Federal Trade Commission.

Recommended for its ‘specialized expertise and well-established relationships’, the State Attorneys General team at WilmerHale offers expertise handling matters spanning the technology, financial services, and life sciences sectors. The team has experience handling matters across all 50 states, as well as in the District of Columbia, Guam, Puerto Rico, the Northern Mariana Islands and the US Virgin Islands, including multistate AG investigations. Paul Connell co-heads the Washington-DC based team, bringing ‘strong connections’ and experience as a former Chief Deputy Attorney General in the Wisconsin Department of Justice. Co-head Swain Wood is ‘incredibly knowledgeable and strategic’ and leverages experience gained as the first Assistant Attorney General of North Carolina to advise clients on complex regulatory and legal matters. For matters involving cybersecurity issues, Ariel Dobkin is particularly recommended.

The ‘kind, insightful, and practical’ State Attorneys General team at Cooley LLP regularly handles complex government investigations and regulatory enforcement actions. The team often takes on matters with both state AGs and FTC or Consumer Financial Protection Bureau involvement. At the helm of the practice, Washington DC-based Michelle Rogers is noted for her experience in the financial services industry. A go-to adviser for financial institutions and fintech clients, Rogers has handled matters before every state AG in the country. Travis LeBlanc is a key name for data privacy and cybersecurity matters and offers in-depth experience working with the California AG's office. Shamis Beckley, based in Boston, and Tiana Demas, based in New York, are also recommended.

The State Attorneys General practice at King & Spalding is praised for the ‘depth of the bench’, both in terms of ‘political knowledge’ and ‘subject matter expertise’, with capabilities across life sciences and healthcare, financial services, product liability, energy, technology, and other industry sectors. Operating as a cross-practice group, the team draws on knowledge from across the firm and handles matters ranging from informal inquiries through investigation, trial, and settlement. J.C. Boggs co-chairs the practice from Washington DC, advising on both investigations and ongoing constructive engagement with AGs. Also in DC, co-chair Alicia O’Brien has longstanding experience in crisis management. In San Francisco, Matt Blaschke‘s practice focuses on complex litigation involving scientific and technical issues, while Robert Friedman, based in Atlanta, is experienced in product liability and mass tort cases.

The Washington DC-based State Attorneys General Investigations team at Williams & Connolly LLP handles a range of single- and multistate investigations and litigation, with particular expertise of antitrust cases. The team regularly takes on investigations that run parallel to Department of Justice, SEC, FTC, and other federal agency investigations. Practice co-head Jennifer Wicht is a go-to adviser for False Claims Act litigation and represents healthcare clients, including pharmaceutical manufacturers, hospitals, and health IT companies. Co-head Holly Conley is also experienced in healthcare-related matters, including anti-kickback statutes and unfair trade practices. For complex multistate investigations and high-profile litigation, Enu Mainigi is recommended.