Medhi Ansari

Partner, Sullivan & Cromwell

Mehdi Ansari is a partner and Co-Head of the Firm’s Intellectual Property and Technology Group and the Firm’s Artificial Intelligence Practice. Mehdi’s practice focuses on advising clients on a wide range of transactions involving intellectual property and technology, including mergers and acquisitions, joint ventures, licenses, collaborations, research and development agreements, settlements and strategic advice.


Mehdi is widely recognized as a leader in his field, known for “deftly handling major transactions” for industry icons (IAM Patent 1000). He is ranked Band 1 by Chambers USA, was named an “MVP in Technology” by Law360, an “IP Trailblazer” by The National Law Journal, one of the world’s leading patent professionals by IAM Patent 1000 seven years in a row, and a “Rising Star in Sports & Betting” by Law360.


Experience
Artificial Intelligence
A digital financial services company in considering material IP and privacy risks with respect to use of generative AI tools
A global financial institution in crafting policies to account for the risks introduced through the use of generative AI, as well as on the evolving diligence considerations introduced by AI in its various other transactions
Harmonic AI, the developer of an engine that uses AI to solve complex mathematical problems, on development and training of AI models
A professional sports league on development and use of AI tools
An international insurance company on the development of global policies and governance to address both general and industry-specific risks related to the use of AI


Rankings and Recognitions
Chambers USA – Band 1 (2025)
Law360 – MVP in Technology (2024)
Law360 – Rising Star in Sports & Betting (2022)
MergerLinks – Top 10 Intellectual Property Lawyers in North America (2021)
Intellectual Asset Management – Named to the Patent 1000 (2019–2025)
The National Law Journal – IP Trailblazer (2019)
The M&A Advisor – Emerging Leader Award (2018)
Global M&A Network – Americas Top 50: Rising Star (2018)
IFLR


Credentials
Education
UC Berkeley School of Law, J.D., 2008
UC Berkeley, B.S., 2005
Bar Admissions
New York
California
Languages
Farsi (Persian)

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