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Douglas B. Wentzel

Douglas Wentzel is a litigation associate in our Irvine office.

Mr. Wentzel represents clients in district courts across the country and before the PTAB.  His cases have covered a broad spectrum of technologies, including transcatheter heart valve repair devices, respiratory therapy products, automotive shock absorbers, and microdermabrasion systems. 

Mr. Wentzel received his Bachelor’s Degree in Civil Engineering from Drexel University, where he graduated summa cum laude and collaborated in designing an 18-story addition to a university dormitory.  He received his J.D., cum laude, from the University of Pennsylvania Law School, where he founded a program to help engineering students incorporate intellectual property considerations into their hypothetical start-up businesses.

University of Pennsylvania Law School (PENN), J.D., Associate Editor, The University of Pennsylvania Law School Journal of Business Law
Drexel University, B.S., Civil (Structural) Engineering, Graduation with Distinction from Honors College
State Bar of California
U.S. District Court – Central District of California
U.S. Patent and Trademark Office
Consumer Products & Services

Aesthetics & Personal Care Products

Sporting Goods & Recreation

Electrical, Semiconductor & Computer Technology

Electronics & Semiconductors

Healthcare Information Technology

Software & IT

Medical Devices & Procedures

Ablation Technology


Annulus & Nucleus Repair



Catheters & Probes

Dental Devices

Dermatology & Aesthetics

Minimally Invasive & Endoscopic Procedures


Sleep Apnea

Stents, Valves, & Delivery Systems

Trans Septal Crossing

Transcatheter & Surgical Aortic, Mitral & Tricuspid Valve Replacement


Transportation & Vehicles

Auto Care

Automotive Transportation & Powersports

Engines & Engine Components


Transportation Equipment

Infringement Risk 
Inter Partes Review (IPR)
ITC Litigation
Patent Litigation
Patent Strategy & Prosecution
Patent Trial & Appeal Board (PTAB) Litigation
PostGrant Review (PGR)
PTAB Overview
Trade Secret & Employee Mobility Litigation

The Honorable Nathan C. Staller Law Scholarship – 2013, 2015


  • American Bar Association
  • Association of Business Trial Lawyers – Orange County
  • Federal Bar Association – Central District of California” 
  • Orange County Bar Association
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