Joshua Mack

Wilson Sonsini Goodrich & Rosati PC

Joshua Mack is Of Counsel in the San Diego office of Wilson Sonsini Goodrich & Rosati, where his practice focuses on patent litigation. Josh specializes in litigating biotech, pharmaceutical, and life sciences patents. He is experienced in all aspects of patent litigation, including examining witnesses at trial, working with experts, arguing Markman hearings and motions, and managing appeals to the Federal Circuit.

From 2007 to 2015, Josh was an associate in WSGR’s San Diego office. During this time, Josh seconded at Mylan, where he managed Hatch-Waxman ANDA litigations. Prior to rejoining the firm, Josh was a member of Amgen’s in-house litigation team, managing and participating in high-stakes biotech litigations in the U.S. and worldwide.

His previous work as in-house counsel provides him with a unique perspective, and he understands the importance of client service. Josh has particular experience litigating the patent issues of written description in enablement. In July 2017, Josh led the successful effort to invalidate a patent asserted against Amphastar Pharmaceuticals due to the lack of an adequate written description and the lack of enablement.


  • J.D., University of New Hampshire School of Law, 2007
  • B.S., Biochemistry and Molecular Biology, University of Washington, 1999


  • State Bar of California
  • U.S. District Court for the Central District of California
  • U.S. District Court for the Northern District of California
  • U.S. District Court for the Southern District of California
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Patent and Trademark Office


Rate : $$$

What types of cases Attorney Joshua Mack & Wilson Sonsini Goodrich & Rosati PC can handle?
Wilson Sonsini Goodrich & Rosati PC can handle cases related to laws concerning Litigation. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Wilson Sonsini Goodrich & Rosati PC located?
Wilson Sonsini Goodrich & Rosati PC is located at 12235 El Camino Real, San Diego, CA 92130, USA. You can reach out to Wilson Sonsini Goodrich & Rosati PC using their phone line 858-350-2224. You can also check their website or email them at [email protected].
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Wilson Sonsini Goodrich & Rosati PC
El Camino Real 12235
San Diego 92130 CA US
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