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John’s deep experience in appellate law and high-stakes trial work makes him an asset to clients at all stages of litigation.
John has handled appellate and trial matters in diverse areas, including products liability, consumer law, catastrophic injury, general business litigation, intellectual property, municipal law, and land use. Through meticulous research and creative advocacy, John has secured appellate victories for clients in several high-exposure and precedent-setting cases. He has presented oral argument before the California Supreme Court and frequently argues in the California Court of Appeal.
Before joining the firm, John practiced appellate law at O’Melveny & Myers LLP and WilmerHale and worked as a Deputy City Attorney in the Los Angeles City Attorney’s Office.
Representative Matters
Moonbug v. BabyBus (2025)
Ninth Circuit affirms $24 million copyright infringement judgment in favor of the creators of the hit children’s series CoComelon.
Read MorePoppink v. Assin (2025)
California Court of Appeal affirms defense verdict in case where plaintiff sought $2 million.
Read MoreCollins v. Diamond Generating Corporation (2024)
California Court of Appeal reverses $104 million wrongful death judgment based on trial court’s refusal to instruct jury on the Privette doctrine.
Read MoreValdovinos v. Kia (2024)
California Court of Appeal reverses jury’s award of unrecoverable elements of restitution and affirms new trial on civil penalties in lemon law case.
Read MoreGreisman v. FCA US, LLC (2024)
In partially published opinion, California Court of Appeal affirms order enforcing lemon law settlement that plaintiff’s counsel attempted to disavow.
Read MoreTinoco v. Michelin North America, Inc. (2024)
California Court of Appeal affirms summary adjudication for tire manufacturer in $99.7 million products liability case.
Read MoreSalto v. Empire Transportation Services, Inc. (2023)
California Court of Appeal affirms judgment in favor of transportation company following bench trial in negligence action.
Read MoreCredentials
Education
- University of Chicago Law School
J.D., with Honors, The University of Chicago Law Review, 2014 - University of Wisconsin-Madison
B.A., Phi Beta Kappa, 2008
Clerkships
- Hon. Pamela A. Harris, U.S. Court of Appeals, Fourth Circuit (2014-2015)
Bar Admissions
- California
- District of Columbia
- U.S. Court of Appeals, Fourth Circuit
- U.S. Court of Appeals, Ninth Circuit
- U.S. Court of Appeals, Federal Circuit
- U.S. District Court, Southern District of California
- U.S. District Court, Western District of Michigan
Professional Associations
Awards
- Best Lawyers “Ones to Watch” (2025-present)
- Super Lawyers Rising Star (2025)
Put Our Proven Appellate Expertise to Work for You.
For over 60 years, we've preserved judgments, reversed errors, and reduced awards in some of California’s most high-profile appellate cases.
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