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Irell & Manella LLP

Intellectual Property: Patent Litigation

USA Guide 2026 : California

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Irell & Manella LLP

Rankings

Chambers Review

Provided by Chambers

Intellectual Property: Patent Litigation - California

Band 1

What the Team is Known For

Irell & Manella houses an esteemed IP litigation practice prized for its bench of experienced courtroom attorneys and its experience in patent disputes. The firm has additional strength for contentious trade secrets cases, licensing and post-issuance proceedings. The team is skilled at representing clients in ITC and PTAB proceedings, and is often engaged by leading technology and life sciences companies to appear in high-profile litigation.

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Work Highlights

Provided by Chambers

  • Irell & Manella secured a favorable settlement for SNMP Research in a copyright infringement and breach of contract dispute over proprietary networking software.

Strengths

Provided by Chambers

  • Irell & Manella has handled a number of bet-the-company matters for us with great results, and has always been responsive to our needs.

    Intellectual Property: Patent Litigation respondentUSA

  • Irell & Manella is at the top of the market.

    Intellectual Property: Patent Litigation respondentUSA

  • Irell & Manella handles the most sophisticated intellectual property disputes. The results it achieves for us in very complex cases have always been impressive.

    Intellectual Property: Patent Litigation respondentUSA

Notable Practitioners

Provided by Chambers

  • David Nimmer
    David Nimmer

    David Nimmer

    David Nimmer is well-versed in the representation of clients from a variety of industries. He is noted for his handling of complex copyright disputes and offers experience before the US Supreme Court.

    • David Nimmer is one of the most respected in copyright.

      Intellectual Property: Patent Litigation respondentUSA

    • His name carries a lot of weight. David Nimmer is preeminent.

      Intellectual Property: Patent Litigation respondentUSA

    • An ambassador for the field of copyright litigation.

      Intellectual Property: Patent Litigation respondentUSA
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  • Morgan Chu
    Morgan Chu

    Morgan Chu

    Morgan Chu is widely considered a leader in the field of IP litigation, and offers considerable experience in the representation of major technology and life sciences clients in complex patent disputes.

    • Morgan Chu is a luminary of the plaintiff bar.

      Intellectual Property: Patent Litigation respondentUSA

    • Morgan has a prominent reputation.

      Intellectual Property: Patent Litigation respondentUSA

    • Morgan Chu is phenomenal.

      Intellectual Property: Patent Litigation respondentUSA
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  • Jason Sheasby
    Jason Sheasby

    Jason Sheasby

    Jason Sheasby's respected patent litigation practice spans a broad spectrum of sectors, including electronics, pharmaceuticals and medical devices.

    • Jason Sheasby is passionate and gets results.

      Intellectual Property: Patent Litigation respondentUSA
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  • Lisa S Glasser
    Lisa S Glasser

    Lisa S Glasser

    Lisa Glasser is a well-regarded patent litigator with notable experience representing a broad variety of clients in federal circuit patent litigation.

    • Lisa Glasser is a ferocious litigator.

      Intellectual Property: Patent Litigation respondentUSA
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Ranked Individuals at Irell & Manella LLP (4)

California

  • Profile image of Jason Sheasby

    Jason Sheasby

    Intellectual Property: Patent Litigation

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  • Profile image of Lisa S Glasser

    Lisa S Glasser

    Intellectual Property: Patent Litigation

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  • Profile image of David Nimmer

    David Nimmer

    Intellectual Property: Trademark, Copyright & Trade Secrets

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