Quinn Emanuel Urquhart & Sullivan
About Quinn Emanuel Urquhart & Sullivan
Quinn Emanuel Urquhart & Sullivan is a leading law firm with 142 lawyers recognized by Best Lawyers across 10 practice areas. The firm's tenure with Best Lawyers began in 2001. Having lawyers recognized in Best Lawyers' Purely Peer Review® emphasizes the lawyers’ credibility and reputation for their practice amongst peers in their practice areas and regions. It displays professional validation of the legal talent that Quinn Emanuel Urquhart & Sullivan has on its team. The firm has lawyers recognized in practice areas including: Art Law, Litigation - Antitrust, Litigation - Bankruptcy, Litigation - Intellectual Property, and Trade Secrets Law.
Quinn Emanuel Urquhart & Sullivan also appears in Best Law Firms® accolades. The Best Law Firms rankings are founded on a time-tested and transparent research process that has remained consistent since Best Lawyers launched it in 2010. Quinn Emanuel Urquhart & Sullivan has 97 rankings in Antitrust Law, Appellate Practice, Arbitration, Art Law, Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law, Bet-the-Company Litigation, Commercial Litigation, Copyright Law, Corporate Law, Criminal Defense: General Practice, Criminal Defense: White-Collar, Entertainment Law - Motion Pictures and Television, FDA Law, Government Relations Practice, Insurance Law, Intellectual Property Law, International Arbitration - Commercial, International Arbitration - Governmental, Litigation - Antitrust, Litigation - Banking and Finance, Litigation - Bankruptcy, Litigation - Insurance, Litigation - Intellectual Property, Litigation - Mergers and Acquisitions, Litigation - Patent, Litigation - Real Estate, Litigation - Securities, Mass Tort Litigation / Class Actions - Defendants, Mass Tort Litigation / Class Actions - Plaintiffs, Patent Law, Privacy and Data Security Law, Product Liability Litigation - Defendants, and Trade Secrets Law, echoing their Best Lawyers awards and team of top legal talent.
*Unactivated firm profiles show a limited selection of up to 10 practice areas.
These honors come directly from peer feedback, reflecting the strong regard other leading attorneys have for Quinn Emanuel Urquhart & Sullivan's skill, advocacy, and commitment to clients.
Office Locations in America:
- Atlanta, Georgia
- Austin, Texas
- Boston, Massachusetts
- Chicago, Illinois
- Dallas, Texas
- Houston, Texas
- Los Angeles, California
- Miami, Florida
- New York, New York
- Redwood Shores, California
- Salt Lake City, Utah
- San Francisco, California
- Seattle, Washington
- Washington, District of Columbia
- Wilmington, Delaware
Nearby Law Firms
Recognized Lawyers at Quinn Emanuel Urquhart & Sullivan
Andrew Berdon is a partner in the New York Office of Quinn Emanuel Urquhart & Sullivan LLP. Andrew regularly handles complex commercial disputes for clients in the life sciences and other industries. Mr. Berdon regularly represents clients in complex litigation and arbitration matters relating to financial and strategic transactions, product development and marketing agreements, trade secrets, licensing, antitrust, and regulatory enforcement. Mr. Berdon has more than 30 years of experienc...
John O'Sullivan is a leading trial lawyer handling high-stakes business disputes for top global clients. Chambers and Partners describes him as a "strong presence" in the courtroom who is "brilliant at breaking down complex problems so they are easy to understand." Clients praise John’s "brilliantly concise courtroom and written advocacy, and high-level strategic and tactical insight" and describe him as “very thorough, super smart and easy to work with.” He has more than 25...
Marc-André Cyr is an associate in Quinn Emanuel’s New York office. His practice focuses on complex commercial litigation, regulatory proceedings, white collar defense, internal investigations, and cross-border disputes across a broad range of industries. Prior to joining Quinn Emanuel, Marc-André worked as a litigation associate at another prominent law firm in New York and as a law clerk at the Supreme Court of Canada and Federal Court of Appeal of Canada. He is a member ...
Lisa Geary is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Lisa, who practices law in New York, New York, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lisa is held by other top lawyers in the same geographic and legal practice area.
Benjamin M. Kleinman is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Benjamin M., who practices law in San Francisco, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Benjamin M. is held by other top lawyers in the same geographic and legal practice area.
Vasundhara Ziemba-Prasad is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Vasundhara, who practices law in Boston, Massachusetts, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Vasundhara is held by other top lawyers in the same geographic and legal practice area.
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