
Willkie Farr & Gallagher LLP excels in handling white-collar matters, offering expertise in corporate and individual representations, internal investigations, and cross-border issues. The firm’s experience spans federal, state, and international jurisdictions. William Stellmach , who specializes in government-facing investigations and regulatory defense, and Timothy Heaphy, with expertise in crisis management and government investigations. Michael Schachter, a renowned trial lawyer, defends corporations and executives in high-stakes cases, while Craig Martin in Chicago advises boards and leads complex trials and arbitrations. Michael Li-Ming Wong, based in San Francisco, focuses on white-collar criminal matters, civil litigation, and global investigations, while Soumya Dayananda specializes in government investigations and crisis management. Lawyers are in New York unless otherwise stated.
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Testimonials
Collated independently by Legal 500 research team.
‘Willkie’s patent trial lawyers handle complex litigation involving intellectual property, technology and high-profile patent disputes in courts around the country and before the Patent Trial and Appeal Board (PTAB).
- 'Willkie represents my company in patent litigation with our primary competitor, in a high-stakes worldwide patent infringement litigation in both the United States and Europe, and in inter partes review petitions filed in response to the district court litigation.'
- 'Willkie secured an enhanced damages award for us following a two-week trial in which the jury determined that the competitor willfully infringed our patents. The case is currently on remand for a new trial on damages. A third case is currently scheduled to go to trial at the end of January 2025. ’
Key clients
- Hewlett Packard
- Royal Business Bank and RBB Bancorp
- Liberty Tax Service
- Southern California Property Development and Construction Company
- United States Department of Justice and the United States Commodity Futures Trading Commission
- Rumble Inc.
- William Wrigley Jr., Green Health Endeavors LLC, PE Fund, and WW Jr. Enterprises Inc.
- CareDx, Inc.
- Pivotal Investment Corporation
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
William “Bill” Stellmach; Timothy Heaphy; Michael “Mike” Schachter; Michael Wong; Craig C. Martin
Other key lawyers
Soumya Dayananda