LAWYER PROFILE
David Berl

David Berl

USA 2026

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Williams & Connolly LLP
 Williams & Connolly LLP

Ranked in 4 practice areas

Life Sciences: IP/Patent Litigation

USA - Nationwide

4 years ranked

Intellectual Property: Litigation

District of Columbia

7 years ranked

Intellectual Property

USA - Nationwide

3 years ranked

Intellectual Property: Patent Trial and Appeal Board

USA - Nationwide

2 years ranked

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Life Sciences: IP/Patent Litigation - USA - Nationwide

Band 1
Individual Editorial
David Berl of Williams & Connolly LLP cochairs the firm's patent litigation practice. He is a distinguished litigator with impressive experience handling high-stakes patent trials on behalf of major life sciences companies.
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Intellectual Property: Litigation - District of Columbia

Band 2
Individual Editorial
David Berl is noted for his work acting in patent disputes involving branded pharmaceuticals, frequently acting on Hatch-Waxman cases and related ANDA issues.
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Intellectual Property - USA - Nationwide

Band 2
Individual Editorial

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.

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Intellectual Property: Patent Trial and Appeal Board - USA - Nationwide

Band 2
Individual Editorial

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.

Learn more about this teamView ranking table

Strengths

Provided by Chambers

  • David is a team leader who builds great teams and is good at keeping client needs in mind.

    Life Sciences: IP/Patent LitigationChambers Guide to the USA

  • David is very pragmatic and commercial in his advice.

    Intellectual Property: LitigationChambers Guide to the USA

  • David is on the shortlist of the smartest people I know and on even a shorter list of the best lawyers I know.

    Intellectual Property: LitigationChambers Guide to the USA

  • David is about as good as it gets when it comes to oral advocacy in tough positions.

    Intellectual Property: LitigationChambers Guide to the USA

  • David is an excellent advocate. He is also a team leader who builds great teams and is good at keeping client needs in mind.

    Intellectual Property: LitigationChambers Guide to the USA

  • David is about as good as it gets when it comes to oral advocacy in tough positions.

    Intellectual PropertyChambers Guide to the USA

Ranked Individuals at Williams & Connolly LLP (65)

District of Columbia

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