Department profile
Williams & Connolly LLP

Intellectual Property: Patent

Global Guide 2026 : USA


Williams & Connolly LLP

Rankings

Chambers and Partners

Ranked Individual

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Chambers Review

Provided by Chambers

Intellectual Property: Patent - USA

Band 3

Band 3


What the Team is Known For
Williams & Connolly is a premier DC-based litigation practice with a strong contentious IP offering. Frequently retained by technology giants and leading pharmaceutical companies for representation in significant disputes, including Hatch-Waxman litigation.
Strengths

Williams & Connolly is thoughtful about complex matters and experienced with patent litigation.

Williams & Connolly stands apart in the legal industry due to a unique combination of expertise, a client-centric approach and innovative strategies.

Work Highlights

Williams & Connolly defended Pfizer in patent infringement litigation and related PTAB proceedings regarding Pfizer’s COVID-19 vaccine COMIRNATY.

Notable practitioners
David Berl

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 super responsive. His written product is excellent and works well with other people.

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Ranked Individuals at Williams & Connolly LLP (1)

USA

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