USA Guide 2026 : USA - Nationwide
Ranked Individuals
Provided by Chambers
Williams & Connolly is a premier DC-based litigation practice with a strong contentious IP offering. The team is frequently retained by technology giants and leading pharmaceutical companies for representation in significant disputes, including Hatch-Waxman litigation.
Provided by Chambers
Williams & Connolly continued to represent Pfizer in patent infringement litigation brought by Moderna concerning the Covid-19 vaccine.
Provided by Chambers
Williams & Connolly gives actionable advice, and is careful to hear business priorities.
The team is incredibly smart, experienced and thorough.
Williams & Connolly has a large, strong IP litigation team.
Provided by Chambers
David Berl maintains a strong reputation as a patent litigator, regularly serving clients in the biotechnology, pharmaceutical and energy fields. His district court practice is supplemented by his PTAB expertise.
David is about as good as it gets when it comes to oral advocacy in tough positions.
David is an excellent advocate. He is also a team leader who builds great teams and is good at keeping client needs in mind.
David is very pragmatic and commercial in his advice.
Lisa is one of the best attorneys I've ever seen or listened to in oral arguments. She has a way of conveying technical things in such a skillful way.
Intellectual Property
Intellectual Property: Appellate
Intellectual Property: Patent Trial and Appeal Board
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