Steve Parmelee

Wilson Sonsini Goodrich & Rosati PC

Steve Parmelee is Of Counsel in Wilson Sonsini Goodrich & Rosati’s Seattle office. He has over 25 years of experience in inter partes proceedings before the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office (PTO). He has represented patent applicants in many patent interference proceedings at the PTAB. In addition, he has experience representing clients in the new post-grant trial proceedings that were enacted in the America Invents Act of 2011, including inter partes review (IPR) and covered business method (CBM) challenges to issued patents.

Steve has acted as lead counsel in a number of patent interferences at the PTAB covering a wide range of technologies, including medical devices, photolithography, wireless security protocols, high-density recording media, and biotechnology. Notable cases include University of Washington v.

Eli Lilly & Co., in which Steve represented the prevailing party in establishing the now-standard “two-way test” for declaring interferences, and Affymetrix v. Incyte, where he represented the prevailing party Affymetrix in a major gene array dispute.

Steve has worked extensively on client patent portfolios in the areas of immunology, molecular biology, and infectious disease. He obtained patent protection for a licensee’s immunotherapy product with sales of more than $1.3 billion per year, generating substantial royalties for the client. He also advises clients on freedom-to-operate issues and due diligence concerns prior to licensing, investments, or acquisitions.

Client technologies with which he has experience include microRNA, HIV diagnostics and therapeutics, phage display, medical devices, adoptive immunotherapies, adjuvant formulations, vaccines for influenza, RSV and rotavirus, coagulation factors, antisense, and monoclonal antibody technology.

Steve’s prior experience includes positions as in-house patent counsel for a pioneering Seattle technology company and for a multinational pharmaceutical company. These roles provided him with an understanding of the pressures and expectations of corporate counsel, which allows him to work successfully with a variety of companies and institutions.

Prior to joining Wilson Sonsini Goodrich & Rosati, Steve was a partner at a national intellectual property law firm, founding its Seattle office in 1990 and serving as its managing partner through 2008.


  • J.D., University of Denver, Sturm College of Law
  • M.S., Medical Microbiology, Creighton University
  • B.A., Zoology, University of Washington


  • State Bar of Washington
  • U.S. District Court for the Western District of Washington
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Patent and Trademark Office


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What types of cases Attorney Steve Parmelee & Wilson Sonsini Goodrich & Rosati PC can handle?
Wilson Sonsini Goodrich & Rosati PC can handle cases related to laws concerning Mergers & Acquisitions, Intellectual Property. 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 701 5th Ave #5100, Seattle, WA 98104, USA. You can reach out to Wilson Sonsini Goodrich & Rosati PC using their phone line 206-883-2542. You can also check their website or email them at [email protected].
How much would it cost to hire Wilson Sonsini Goodrich & Rosati PC?
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Wilson Sonsini Goodrich & Rosati PC
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