Department profile
Intellectual Property: Trademark, Copyright & Trade Secrets
USA Guide 2026 : California
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Ranked Individuals
Ranked Individuals
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Work Highlights
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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: Trademark, Copyright & Trade Secrets respondentUSAO’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: Trademark, Copyright & Trade Secrets respondentUSAO’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: Trademark, Copyright & Trade Secrets respondentUSAO’Melveny & Myers provides significant expertise and highly strategic advice.
Intellectual Property: Trademark, Copyright & Trade Secrets respondentUSA
Notable Practitioners
Provided by Chambers
Band 3 
Band 3 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: Trademark, Copyright & Trade Secrets respondentUSA
Band 3 
Band 3 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: Trademark, Copyright & Trade Secrets respondentUSAIf something goes to trial, I would trust Ryan Yagura with my life.
Intellectual Property: Trademark, Copyright & Trade Secrets respondentUSA
Band 4 
Band 4 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: Trademark, Copyright & Trade Secrets respondentUSADavid Almeling is a highly effective attorney who brings strong leadership, sound judgment and a calm, strategic approach.
Intellectual Property: Trademark, Copyright & Trade Secrets respondentUSADavid 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: Trademark, Copyright & Trade Secrets respondentUSA
Band 5 
Band 5 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
Darin Snyder
Intellectual Property: Patent Litigation
View profile Ryan Yagura
Intellectual Property: Patent Litigation
View profile Luann Simmons
Intellectual Property: Patent Litigation
View profile David Almeling
Intellectual Property: Trademark, Copyright & Trade Secrets
View profile
O'Melveny & Myers LLP has rankings in the following guides
Band 6
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