Mrs Lori Lesser > Simpson Thacher & Bartlett LLP > New York, United States > Lawyer Profile

Simpson Thacher & Bartlett LLP
NEW YORK, NY 10017-3954
United States
Lori Lesser photo

Work Department

Litigation/Intellectual Property


Intellectual Property and Litigation Partner. Heads the Firm’s IP Practice and Co-Chairs the Privacy and Cybersecurity Practice. Advises on all aspects of intellectual property, technology and privacy/cybersecurity law, including corporate transactions, licensing, counseling and litigation, in fields including media and entertainment, computer software and technology, financial information, apparel, consumer products, pharmaceuticals and life sciences, online, mobile and social media, and non-profits. Served as lead IP lawyer in hundreds of public and private transactions.


Partner since 2003.


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

Lawyer Rankings

United States > Media, technology and telecoms > Technology transactions

(Leading lawyers)

Lori LesserSimpson Thacher & Bartlett LLP

Simpson Thacher & Bartlett LLP has a highly experienced New York-based team that is ‘very quick in understanding complex technological and legal issues‘. The practice provides critical support to the firm’s highly active corporate finance team, with good experience of M&A, financings, capital markets listings and restructurings. This is in addition to an active standalone offering that is regularly involved in significant IP, technology and privacy/cybersecurity transactions, including collaboration and licensing agreements. The IP transactions department is led by the highly regarded and versatile Lori Lesser who also co-chairs the firm’s privacy and cybersecurity practice. Other key individuals include counsel Genevieve Dorment and associate Alysha Sekhon, who is singled out for praise by clients.