Justin Zahrt


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(650) 250-0022


Palo Alto

Practice Groups and Client Sectors:

Intellectual Property
Justin Zahrt


Santa Clara University


Yale University


Previous Experience

  • Duane Morris LLP - Partner
  • Tabarrok & Zahrt LLP - Founding Partner
  • Murabito, Hao & Barnes LLP
  • The Law Offices of Mikio Ishimaru

Bars & Courts

  • California
  • U.S. Patent and Trademark Office
  • The United States Court of Appeals for the Ninth Circuit
  • The United States Court for the Northern District of California

Professional Experience

Justin W. Zahrt is a registered patent attorney with a breadth of experience in obtaining, evaluating and protecting intellectual property. With a preference for direct client contact, Mr. Zahrt’s proficiencies include client and inventor counseling and education, invention identification and capture, preparation and completion of invention disclosures, portfolio analysis and development, preparation and prosecution of patent applications, infringement clearances, infringement analysis, IP risk analysis, alternative solutions, and strategic advancement of domestic and international IP filing programs.

Mr. Zahrt's extensive experience and understanding relating to portfolio generation and management, combined with his skill and deep experience in preparing and prosecuting patent applications domestically and worldwide, provide clients a full spectrum of solid, cost-effective protection for their valuable inventions and technology. He focuses on client counseling and service, principally with cutting-edge Fortune 100 and Fortune 500 Silicon Valley-based companies. His representative arts include hard drive media and motors, semiconductor fabrication technology and processes, photolithography, battery,  medical device, imaging, magnetics, clean tech, television systems, user interface, power management, computer security, computer graphics, computer display systems, RAID systems, mechanical devices, mobile devices, and goggle defogging.


  • Co-author, “Beware Relaxed Standards for Patent Application Revival,” San Francisco Daily Journal, March 15, 2017
  • Co-Author, "Prior User Rights Defense Seldom Used," San Francisco Daily Journal, November 16, 2016​