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Top 250 Women in Litigation

Lori Lesser is a Partner at Simpson Thacher & Bartlett LLP, where she practices in the Litigation Department and is Head of the Intellectual Property Practice and Co-Chair of the Privacy and Cybersecurity Practice. Lori advises on all aspects of intellectual property, technology and privacy law, including corporate transactions, litigation, licensing, outsourcing, strategic agreements and counseling in all industries. 

Her IP litigation experience includes trial and appellate work and WIPO arbitrations. Her IP transactional experience includes mergers and acquisitions, securities offerings and secured financings, bankruptcy and restructurings, joint ventures, licensing, outsourcing, counseling and other strategic agreements. 

Lori is recognized in Technology (Nationwide) and in Band 1 for Technology (New York) by Chambers USA, which writes, “Those who work with Lori Lesser are effusive in their praise.” Sources have noted that she is “a fantastic IP expert . . . brilliant, accessible and very thoughtful in her approach,” “an exceptionally smart and knowledgeable lawyer” who is a “master of the subject matter,” with “second-to-none knowledge” in the sector, and that “she has incredible depth of experience, she’s incredibly practical as well, and she’s incredibly effective at providing very commercially focused, actionable advice.” Lori has been listed as one of the “Notable Women in Law” (Crain’s New York), in the “Top 250 Women in Litigation” (Euromoney’s Benchmark Litigation), “Top 50 Under 45” U.S. IP Lawyers (IP Law & Business), “Top 45 Under 45” U.S. women lawyers (The American Lawyer), and “20 Most Influential Women in IP Law” (Law360). The Legal 500 recognizes Lori as a “Leading Lawyer,” where she is described as “one of the outstanding lawyers practicing in this field;” “a true difference maker, who provides clients with a competitive advantage in any negotiation;” “pragmatic, technically brilliant and a pleasure to deal with” and “not only a top-notch technology lawyer but also a superb transactional one.” She is also consistently recognized by Best Lawyers in America, for which she has twice been named the “Information Technology Lawyer of the Year” for New York City. The American Lawyer cited her as being among the most active women lawyers advising on deals in 2020. She has been ranked in New York City’s top 100 lawyers and top 50 women lawyers by Super Lawyers. She has received the Burton Award for legal writing and the Award of Excellence from Volunteer Lawyers for the Arts. 

Lori has served as a David Rockefeller Fellow for New York City and serves on the boards of the Partnership Fund for New York City and Greater NY. She is a member of the Harvard Radcliffe Institute’s Dean’s Advisory Council, a former director of the Harvard Alumni Association and the past president of the Harvard Law School Association of NYC. She serves on advisory boards for ChIPs (chief IP counsel) and Hunter College’s pre-law advisory program. 

Lori graduated from Harvard University (A.B., magna cum laude and Phi Beta Kappa, 1988) and Harvard Law School (J.D., cum laude, 1993). 


Updated Sep 2021