Department profile
O'Melveny & Myers LLP

Intellectual Property: Patent Litigation

USA Guide 2026 : California


O'Melveny & Myers LLP

Rankings

Chambers Review

Provided by Chambers

Intellectual Property: Patent Litigation - California

Band 2

Band 2


What the Team is Known For
O'Melveny & Myers offers experience representing hi-tech clients in litigation arising from patent infringement claims made by nonpracticing entities. The firm also assists entertainment and consumer electronics companies on contentious soft IP matters, including copyright ownership disputes. It is noted for its excellent track record of handling inter partes reviews and has additional capabilities across trade secrets and trademark infringement matters.

Work Highlights

Provided by Chambers

  • O'Melveny & Myers represented Verizon and AT&T in early‑stage patent litigation brought by Morris Routing concerning next‑generation wireless routing technologies.

Strengths

Provided by Chambers

  • We bring some of our most intense IP cases to O'Melveny & Myers.

    Intellectual Property: Patent Litigation respondentUSA
  • O’Melveny & Myers has strong partner leadership, supported by a well‑coordinated group of associates who consistently demonstrate subject‑matter expertise and sound execution. They all have a clear command of intricate trade secrets issues, strategic judgment and effective management of high‑stakes litigation.

    Intellectual Property: Patent Litigation respondentUSA
  • O’Melveny & Myers offer me a highly efficient team with a perfect combination of experiences and expertise needed for my case. They are also very responsive and collaborative.

    Intellectual Property: Patent Litigation respondentUSA
  • O’Melveny & Myers provides significant expertise and highly strategic advice.

    Intellectual Property: Patent Litigation respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 3Darin Snyder
    Band 3Darin Snyder

    Darin Snyder

    Darin Snyder is particularly skilled in handling complex patent and trade secrets disputes for prominent technology-sector clients.
    • Darin Snyder is a great trial lawyer.

      Intellectual Property: Patent Litigation respondentUSA
  • Band 3Ryan Yagura
    Band 3Ryan Yagura

    Ryan Yagura

    Ryan Yagura leads the firm's IP and technology practice. He is called upon by major technology industry companies to litigate high-stakes patent infringement matters.
    • Ryan Yagura can explain complex concepts in clear, plain terms. He is also nimble with facts and circumstances. I highly recommend him for any patent litigation.

      Intellectual Property: Patent Litigation respondentUSA
    • If something goes to trial, I would trust Ryan Yagura with my life.

      Intellectual Property: Patent Litigation respondentUSA
  • Band 4David Almeling
    Band 4David Almeling

    David Almeling

    David Almeling is a recognized expert in trade secrets mandates, with a particular focus on complex litigation. He chairs the firm’s Trade Secrets Group.

    • David Almeling's expertise in trade secrets litigation is superb. He is also very responsive, collaborative and fully cognizant of business objectives.

      Intellectual Property: Patent Litigation respondentUSA
    • David Almeling is a highly effective attorney who brings strong leadership, sound judgment and a calm, strategic approach.

      Intellectual Property: Patent Litigation respondentUSA
    • David Almeling is our go-to expert for all things related to trade secrets. His knowledge and understanding of practical applications are head and shoulders above others in the field.

      Intellectual Property: Patent Litigation respondentUSA
  • Band 5Luann Simmons
    Band 5Luann Simmons

    Luann Simmons

    Luann Simmons is noted for her representation of major technology companies in high-stakes patent disputes.

Ranked Individuals at O'Melveny & Myers LLP (4)

California

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