
- Profile
Testimonials
Collated independently by Legal 500 research team.
‘The team is a very well rounded group of litigators who understand the intersection of healthcare, government, and patents. They are unique in their ability to handle huge cases of this magnitude and a well-respected force in the courtroom.’
‘WilmerHale's patent litigation teams are second to none in their ability to find the right strategies and execute them to win. Their brief writing is incredibly good--clear, compelling, and persuasive. Their trial presentations are the best in the business. They have unusually cohesive teamwork and camaraderie that really enhances their effectiveness. ’
‘Dave Bassett is a guiding hand that is not afraid to let his team shine. He knows his strengths and his weaknesses, playing well with others that compliment him.
‘Michael Summersgill is a superlative trial lawyer, but also an effective leader and team manager. He recruits top legal talent and motivates his team to produce exceptional work. He is a smart, clear thinker. He is excellent on his feet in court. His teams consistently produce amazing written work-product.
'Gregory Lantier, Louis Tompros and William Lee are superlative oral advocates. ’
Key clients
- Bank of America NA
- Becton, Dickinson and Company
- Braintree Laboratories
- Bristol-Myers Squibb Company
- Dropbox, Inc.
- Exelixis, Inc.
- Gilead Sciences, Inc.
- GlaxoSmithKline
- Roche Molecular Systems, Inc.
Work highlights
- Represented Gilead Sciences in a patent infringement trial in which a federal jury sided with the pharmaceutical company against the US Government.
- Acted for Dropbox in the company’s first-ever trial, in which a federal jury found all patents not infringed and invalid.
- Acted for for Becton Dickinson in a set of competitor cases which involve various patent infringement disputes over the past decade between BD and Baxter Corporation.
Lawyers
Hall of fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Brittany Amadi

Sonal Mehta
Next generation partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Mark Selwyn; Lisa Pirozzolo; Emily Whelan
Other key lawyers
William Lee; Joseph Mueller; Robert Gunther; Sonal Mehta; Brittany Amadi; Gregory Lantier; Omar Khan; Dave Bassett; Louis Tompros; Michael Summersgill