Clients frequently turn to the Dentons state attorneys general practice for its deep bench of former Attorneys General that provide ‘invaluable insight into how decisions are made by state AGs’. The group has established relationships with state AGs and provides strategic counsel to clients on regulatory issues and compliance across a number of sectors and issues, including the automotive, consumer protection, pharma and energy, while also handling sensitive AG investigations and enforcement proceedings. The practice is led by former Georgia attorney general Thurbert Baker, who focuses on corporate compliance and investigations in the public procurement and regulated spaces, and former Florida attorney general Bill McCollum who counsels clients and AGs on consumer protection issues. Further key contacts are Dan Gibb, who is well versed in federal trade commission and state AG investigations, and former Georgia attorney general Samuel Olens. Baker and Olens are based in the firms Atlanta office, while McCollum and Gibb are based in Washington DC.

DLA Piper LLP (US)’s state attorneys general practice spans the entire country, with practitioners regularly handling a number of hot topic issues, namely consumer protection, environment, children’s online privacy and cryptocurrency in complex state and multistate proceedings. The team fosters strong relationships with various AG offices and often handles ongoing counselling, but the focus of the practice is on litigation and investigations for leading corporates in diverse sectors. Practice head Jeffrey Tsai is based in San Francisco and previously served as special assistant attorney general of California and now is a go-to contact for investigation and enforcement actions related to consumer protection, antitrust and healthcare. Co-leading the practice alongside Tsai is former senior advisor and special counsel to the New York Attorney General Scott Wilson who is praised as ‘excellent to work with’ and handles work for high profile, multinational companies. Washington DC-based Victor Domen is an expert on state antitrust matters, bolstered by his experience as senior antitrust counsel in the Tennessee Attorney Generals office, while Kathleen Birrane, who joined the firm in June 2024 after serving as the Maryland insurance commissioner, excels in insurance regulatory matters.

O'Melveny has an impressive track record in state AG investigations, inquiries and litigation, often handling contentious topical matters, that include the opioid crisis, PFAS and plastic contamination, social media, medical waste and food safety issues. Clients across life sciences, tech, energy and consumer products belong to the team’s regular client roster. The team is led by Daniel Suvor in Los Angeles, Steven Brody in Washington D.C. and Ross Galin in New York. Suvor brings experience as chief of policy and senior counsel to the former California AG Kamala Harris, and handles product liability, healthcare, environmental, tech and white collar litigation and investigation matters before various AG offices; Brody has experience in pharma, medical devices promotion and labelling, consumer fraud and various other healthcare related AG cases, while Galin is active in litigation and enforcement matters by state AGs related to life sciences compliance. Based in Los Angeles, Dawn Sestito handles matters in the education and energy sectors, namely climate change and plastics, antitrust, price gouging, UCL/FAL and public nuisance cases, while in San Francisco Geoff Yost handles waste enforcement, cleanup disputes, environmental citizen suits, water and natural resources investigative matters. Los Angeles-based Lauren Kaplan was made partner in January 2024 and covers bet-the-company litigation and AG investigations, while in the same month trial lawyer and experienced investigator David Kelley joined the firm from Dechert LLP.

The state attorneys general practice at Troutman Pepper Locke LLP engages in a wide range of AG inquiries, investigations and litigation which frequently center around advertising and marketing, privacy and data security, product safety, consumer lending and environmental protection regulatory issues. The practice is led by Ashley Taylor, who is based in Richmond, and Clayton Friedman, who sits in Orange Country. Taylor is considered a go-to practitioner for both single and multistate enforcement and litigation proceedings involving state AGs, including high stakes bet-the-company investigations, while Friedman, a former assistant deputy attorney general in Missouri, focuses on preventative measures before litigation and enforcement, providing strategic and regulatory counsel. In Richmond, Stephen Piepgrass represents clients in investigations and interactions with state AGs, specializing in heavily regulated industries and consumer financial services, and Christopher Carlson is a popular choice in investigative matters due to his expertise in state consumer protection laws and service as assistance attorney general in West Virginia. In Orange County Michael Yaghi covers enforcement investigations related to all facets of advertising and sales practices. Among the recent changes to the team was the arrival of Blake Christopher to the firms Washington D.C. office in March 2024 from the Kentucky AGs office, while Avi Schick left the team in May 2024.

Drawing on the significant strengths of its government, regulatory and internal investigations and litigation groups Kirkland & Ellis LLP state attorneys general practitioners are well placed to handle multistate AG investigations and litigations, as well as counselling clients on regulatory actions of AGs and enforcers. The team handles matters pertaining to consumer protection, the false claims act, data privacy and ESG matters and are additionally prominent in antitrust investigations. The practice houses former Illinois attorney general and Chicago-based partner Lisa Madigan who focuses on state and federal investigations related to consumer protection, data security, privacy and healthcare among others. In Washington D.C. are Reginald Brown, who covers crisis avoidance, mitigation matters and investigations and Brian Benczkowski, who advises corporations in enforcement and investigations by state and federal government. Olivia Adendorff splits time between Dallas and Washington D.C. and is active in consumer protection, data privacy and antitrust compliance and investigative matters, and Raya Treiser in Washington D.C. advises private equity firms and energy companies in crisis situations and AG inquiries.

Morrison Foerster has a stellar track record in State AG investigations and enforcement matters, particularly those coming from the New York and California AG offices owing to close ties with practice head Carrie Cohen, who has extensive experience in leadership positions in the New York Attorney Generals Office. Collaboration across the firm’s diverse industry groups allows the practice to handle AG investigations and inquiries concerning a plethora of issues, including but not limited to public corruption, securities fraud, antitrust, cybersecurity, data privacy and consumer protection. Cohen is based in New York and represents corporations, boards, c-suite executives in investigative matters which often centre on corruption, investment and consumer fraud, cybersecurity and data protection issues. Megan Gerking is based in Washington D.C. and often supports the practice in antitrust AG investigations.

WilmerHale provides expert strategy and engagement advice in response to document requests and regulatory inquiries from attorney general offices across the country, while also having an active role in many hot-topic litigation, investigations and enforcement matters before the AG offices, including those pertaining to the financial services, life sciences and tech sectors. Former co-practice head Brian Mahanna departed the practice in September 2024 for a position as counsel to the governor of New York, with Paul Connell now sole practice head. Connell has extensive experience in prosecutions and proceedings in the energy, tech, consumer protection, telecoms, manufacturing and pharma spaces before state and federal agencies. The practice was bolstered in January 2025 with the arrival of former first assistant attorney general of North Carolina, Swain Wood, who handles corporate and white collar investigations by state AGs and state regulators, and has experience in the pharma, tobacco and energy industries. Both practitioners are based in Washington D.C..

King & Spalding LLP’s broad government matters & regulation practice is set up well to handle a litany of governmental investigations, including those brought against global organizations and trade associations by State attorney generals. The firms clients span a diverse array of sectors, with the focus lying in pharma, tech and banking, and matters including data breach investigations, environmental pollution and consumer protection matters, among others. The practice is led out of Washington D.C. by J.C. Boggs, who provides both strategic counsel in engaging with AGs and representation in litigation before AGs, often advising technology and financial services companies, and Alicia O’Brien, whose expertise in AG related matters includes investigations, compliance, and reputational risk management. Ehren Halse is a key contact in San Francisco and represents tech, healthcare and life sciences companies before State AGs.

Morgan, Lewis & Bockius LLP assists clients with single and multistate attorney general investigations and enforcement matters, with proceedings frequently involving issues of consumer protection, antitrust, environmental concerns, product liability, securities enforcement, tax, data privacy and cybersecurity. Members of the firm have been involved various lengthy opioid related litigations, which were led by practice head Eric Sitarchuk, who is additionally highly respected for his experience in false claims act and qui tam federal and state investigations. John Dodds is well versed in white collar matters and environmental claims, including those pursued by state AGs, and Rebecca Hillyer counsels pharmaceutical and healthcare companies facing investigation, and both are based in Philadelphia alongside Sitarchuk. In New York, white-collar practitioners Kelly Moore and Martha Stolley often handle matters concerning securities fraud, healthcare fraud, and litigation related to the false claims act and the foreign corrupt practices act.

Located in Washington D.C., Williams & Connolly LLP’s offering in state attorney general litigations and investigations includes counselling in antitrust enforcement matters, pharma and medical litigation, particularly those relating to drug pricing and the opioid crisis, as well as representation to banking clients. Jennifer Wicht and Holly Conley jointly lead the practice: both are experienced in healthcare cases related to the false claims act. Enu Mainigi has a broad practice and is adept at single state and multistate AG investigations, Ashely Hardin is well versed in mass torts and multi-district litigation, and Grant Geyerman assists on civil and criminal AG investigations.