Simpson Thacher & Bartlett LLP’s team, led by Lori Lesser in New York, advises clients on a range of issues related to patents, AI, software, privacy, and cybersecurity, ensuring smooth deal execution. The team combines expertise in M&A, private equity, banking, IP, and cybersecurity to advise tech giants, startups, and investors. In New York, Marisa Geiger is a recognized leader in IP and technology transactions, guiding clients through complex corporate deals and strategic alliances. In Los Angeles, Ron Ben-Yehuda has great experience in intellectual property transactions, including licensing, joint ventures, and M&A.
Legal 500 Editorial commentary
- Profile
Testimonials
Collated independently by Legal 500 research team.
- ‘This group has the capability of handling an incredibly amount of deals at the same time, and executes them flawlessly. They are commercial, business-like and without losing the detailed expertise that is neeeded.’
‘Lori Lesser is the standout head of the practice. Alysha Preston is a recent counsel and a superstar, fully dedicated to her clients.’
‘Super experienced and responsive; solution-driven. If you need the best advice available, you will get it at a high price, but definitely worth every penny’
‘Lori Lesser & Alysha Sekhon provided outstanding support in the IP area.’
Key clients
- AGCO
- Blackstone
- Cisco Systems
- EQT
- Hellman & Friedman
- Johnson Controls
- Karuna Therapeutics
- KKR
- Microsoft Corporation
- Paramount Global
Work highlights
- Representation of Paramount Global in connection with its proposed $28 billion merger with Skydance Media, LLC.
- Representation of Cisco Systems, Inc. in its $28 billion acquisition of Splunk Inc.
- Representation of Microsoft Corporation in its $75 billion acquisition of Activision Blizzard and its announced $1.5 billion strategic investment in G42.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Lori E. Lesser| Partner, Head of IP Group and Co-Chair of the Privacy and Cybersecurity Practice
Other key lawyers
Marisa Geiger; Ron Ben-Yehuda