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Alexander D. Zeng

Alexander D. Zeng practices intellectual property law with a focus in patent litigation in medical device technologies.  Alexander also practices trademark and copyright enforcement, due diligence, and patent prosecution.

Alexander has experience working on intellectual property matters in industries such as medical devices, food and beverage, consumer goods, fitness, fashion, cryptocurrency, entertainment, and consumer electronics. He has prosecuted medical device patents within the cardiovascular, orthopedic, urology, wound healing, and gastroenterology spaces.

Prior to joining the firm, he worked as a research scientist at USC where he was involved with research on the effect of APOE e4 on brain lipids and at UCLA where he was involved with research with polymeric biomaterials. 

He graduated from the University of California Los Angeles with his B.S. in Bioengineering and the University of Southern California with his M.S. in Medical Device and Diagnostic Engineering.

During law school at the University of California Irvine, Alexander was a Research Editor on Law Review and was a member of the UCI Intellectual Property, Art, and Technology clinic where he worked on start-up counseling, trademark prosecution, and fair use analysis for documentary filmmakers.

Extern Experience

Judicial extern under the Honorable James V. Selna in the Central District of California

University of California – Irvine – School of Law, J.D., Law Review, Pro Bono Honors
University of Southern California (USC), M.S., Medical Device & Diagnostics
University of California – Los Angeles (UCLA), B.S., Bioengineering
U.S. Patent and Trademark Office
Communications Technology

Internet Telephony

Consumer Products & Services

Food & Beverage

Restaurants & Hospitality

Sporting Goods & Recreation

Fashion & Beauty







Media, Advertising & Entertainment



Medical Devices & Procedures


Catheters & Probes

Drug Eluting & Drug Delivery Devices

Embolic Coils


Stents, Valves, & Delivery Systems

Sterile Field Devices

Urology & Incontinence

Copyright Litigation
Due Diligence
Global Portfolio Management
International Trademarks
IP Strategy
Opinions and Counseling
Patent Litigation
Patent Strategy & Prosecution
Tech Transactions
Trade Secret & Employee Mobility Litigation
Trademark & Brand Protection
Trademark and Brand Protection Litigation
Trademark and Brand Protection Litigation
Trademark Enforcement
Trademark Registration
Trademark Trial & Appeal Board (TTAB) LitigationĀ 
U.S. Patent Prosecution
Unfair Competition Litigation
Unfair Competition Litigation

Los Angeles Intellectual Property Law Association (LAIPLA)

Board of Directors (2023)

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