Multiple Foley Hoag practice groups have been recognized nationally for excellence in the 2026 edition of The Legal 500 United States.
The guide also recognized several Foley Hoag attorneys in the Leading Partner and Next Generation Partner categories.
National Rankings
Foley Hoag earned national rankings across the following practice areas:
- Dispute Resolution: International Arbitration
- Dispute Resolution: International Litigation
- Commercial Lending > Advice to Direct Lenders / Private Credit
- Patents: Licensing
- Patents: Prosecution (including re-examination and post-grant proceedings)
- Trade Secrets (litigation and non-contentious matters)
- Life Sciences
- Venture Capital and Emerging Companies
- M&A: Middle-Market
Nationally Recognized Attorneys
The following Foley Hoag lawyers were individually recognized in the 2026 guide:
- Christina Hioureas — Leading Partner, Dispute Resolution: International Arbitration
- Constantinos Salonidis — Leading Partner, Dispute Resolution: International Arbitration
- Sudhanshu Roy — Next Generation Partner, Dispute Resolution: International Arbitration
- Amy Baker‑Mandragouras — Leading Partner, Life Sciences
- Jeffrey Quillen — Leading Partner, Life Sciences
- Sara Mattern — Next Generation Partner, Venture Capital and Emerging Companies
- William Kolb — Leading Partner, M&A: Middle-Market
- Corey Brown — Next Generation Partner, M&A: Middle-Market
Rankings are based on in-depth research, including feedback from clients and peers, to highlight firms with a truly national presence and the capability to handle sophisticated and complex work. Learn more about our rankings, visit the Legal 500 website.
Editorial Commentary and Client Feedback
Legal 500's 2026 guide highlights Foley Hoag's strength across disputes, intellectual property, corporate, and life sciences practices, with particular recognition for its global capabilities, technical sophistication, and client-focused approach.
In International Arbitration, the firm is recognized for its "experienced investor-state and commercial arbitration practice," representing sovereign states and private entities in complex cross-border matters, including enforcement and set-aside proceedings before U.S. and French courts. Clients emphasized the team's "exceptional legal acumen, strategic insight, and unwavering commitment to client outcomes," noting its ability to combine "technical excellence with practical, commercially sound advice," along with a highly responsive and collaborative approach.
The firm's International Litigation practice is similarly highlighted for handling high-stakes sovereign disputes at the intersection of international law and global governance. Foley Hoag is described as "one of the leading practices in the world for representing States," with "huge strength in depth" and a unique capability in public international law, including disputes between sovereign nations.
Across its intellectual property practices, Legal 500 notes the firm's ability to advise on complex, high-value matters spanning licensing, prosecution, and trade secrets. The licensing team is commended for handling sophisticated collaboration arrangements in the life sciences sector, while the patent prosecution group is recognized for advising biotech companies and global innovators on portfolio strategy and worldwide filings. Clients describe the team as "extremely knowledgeable about worldwide patent practice" and "highly responsive," calling Foley Hoag their "go-to team for [their] most important filings." In trade secrets matters, the firm is noted for its experience litigating misappropriation claims and navigating complex, multi-jurisdictional disputes, with clients praising the team's thoughtful, well-balanced approach and strategic execution.
Legal 500 also highlights Foley Hoag's leadership in Life Sciences, where the firm advises innovative companies across the full product and company lifecycle, integrating corporate, IP, regulatory, and disputes expertise. Clients note the team's strong technical capabilities and responsiveness, emphasizing its role as a trusted advisor on critical IP and transactional matters.
In Venture Capital and Emerging Companies, Foley Hoag is praised for its work advising companies and investors across the technology, life sciences, and climate tech sectors. Clients point to the team's "very dedicated staff with deep knowledge of the climate tech space," with particular recognition for its ability to navigate complex transactions and provide practical, forward-looking guidance.
Finally, the firm's M&A: Middle-Market practice is described as "a reference in the market," with strength across both buy-side and sell-side transactions, including private equity-backed deals and cross-border matters. Clients highlight the team's commercial judgment, communication skills, and collaborative approach, noting that its lawyers are "incredibly knowledgeable" and able to guide clients through complex transactions with clarity and confidence.