Hans Mayer is a litigation partner in our Los Angeles office and serves as the Co-Chair of the Advertising, Media, and Entertainment Practice Group.
Mr. Mayer represents clients in district courts throughout the country, as well as the TTAB and PTAB. His cases have covered a wide array of technologies and products, including transcatheter heart valve replacement and repair devices, energy drinks, signal boosters, genetic sequencing devices, recreational watercraft, and Emmy Award winning documentaries. He also advises clients with respect to worldwide brand protection and has directed enforcement matters across the globe.
In 2017, Mr. Mayer was selected to conduct jury trials and felony preliminary hearings as first chair trial attorney with the Orange County District Attorney’s Trial Attorney Partnership program.
Mr. Mayer has received multiple awards and has been honored in both regional and national forums for his legal accomplishments. In 2023, he was named a “Rising Star” by Law360 for being among the top intellectual property law practitioners under age 40, and was also named a “California Future Star” by Benchmark Litigation in 2023 and 2024. Mr. Mayer has also been repeatedly named one of Southern California’s “Rising Stars” for his outstanding intellectual property legal work in Super Lawyers magazine (2022 – 2023), and recognized by The Legal 500 “United States” for Patent Litigation (2021) and Trademark Litigation (2023).
Mr. Mayer received his Bachelor’s Degree in Biomedical Engineering from Brown University. While at Brown, he conducted extensive research in the Gait and Motion Analysis Lab at the Providence VA Medical Center. He received his J.D. from Loyola Law School, where he was a member of the St. Thomas More Honor Society as well as an Editor on the Loyola of Los Angeles Entertainment Law Review.
Loyola Law School, J.D., St. Thomas More Law Honor Society, Loyola of Los Angeles Entertainment Law Review
Brown University, B.S., Biomedical Engineering
State Bar of California
U.S. District Court – Central District of California
U.S. Patent and Trademark Office
Advertising, Media & Entertainment
Biotech
Tissue Engineering
Consumer Products & Services
Aesthetics & Personal Care Products
Food & Beverage
Restaurants & Hospitality
Sporting Goods & Recreation
Fashion & Beauty
Medical Devices & Procedures
Cardiovascular
Catheters & Probes
Dermatology
Diagnostics
Medical Informatics & Software Systems
Minimally Invasive & Endoscopic Procedures
Neurology
Oncology
Ophthalmology & Eye Care
Orthopedics
Prosthetics & Orthotics
Spine
Stents, Valves, & Loading Devices
Surgical Equipment
Ventilators
Transportation & Vehicles
Automotive Transportation & Powersports
Personal Motorized Recreation Vehicles (ATVs, Snow Vehicles, Personal Watercraft)
Advertising, Media & Entertainment Practice
Copyright
Copyright Litigation
Copyright Litigation
False & Comparative Advertising
False & Comparative Advertising Litigation
False Advertising Litigation
International Trademarks
Litigation
Patent Litigation
Patent Trial & Appeal Board (PTAB) Trials (Post Grant)
Trade Secret
Trade Secret & Employee Mobility Litigation
Trade Secret & Employee Mobility Litigation
Trademark & Brand Protection
Trademark Enforcement
Trademark Litigation & Unfair Competition
Trademark Litigation & Unfair Competition
Trademark Trial & Appeal Board (TTAB) Disputes
TTAB Proceedings
Unfair Competition Litigation
- Recognized in World Trademark Review 1000: The World’s Leading Trademark Professionals guide (2024-2025)
- Recognized by The Legal 500 “United States” for Trademark Litigation (2024)
- Named to the Best Lawyers: Ones to Watch guide, which “recognizes lawyers who are earlier in their careers for their outstanding professional excellence in private practice”, for Intellectual Property Litigation (2024 – 2025)
- Named a “Rising Star” by Law360 for being among the top intellectual property law practitioners under age 40 (2023)
- Received “California Future Star” ranking in Benchmark Litigation (2023 – 2025)
- Recognized as one of Southern California’s “Rising Stars” for his outstanding intellectual property legal work in Super Lawyers magazine (2022 – 2023)
- Recognized by The Legal 500 “United States” for Patent Litigation (2021) and Trademark Litigation (2023)
Los Angeles Intellectual Property Law Association (LAIPLA)
Board of Directors (2020)
Orange County Bar Association (OCBA)
Secretary (2014) Intellectual Property & Technology Law Division
AIJA: International Association of Young Lawyers
Member, Intellectual Property and Technology Commission
