Emily Peyser focuses her practice on teaming with clients to optimize their intellectual property strategies, including the procurement of U.S. and foreign patents, patent and trademark portfolio planning, opinions, enforcement, and licensing. Her practice has a particular emphasis in the mechanical and chemical fields over a wide range of technology areas, including satellite components and systems, semiconductor manufacturing tools and metal deposition processes, electrochemical ion exchange systems, large-scale electrical energy storage systems, biofuels, commercial vehicles, food processing, medical devices, pulp and paper, radioactive material containment, recreational equipment, materials and performance characteristics of materials, aluminum extrusion and die cast processes, and fluid dynamics.

Emily places a high value on client service and focuses on building trusted, long-term relationships with clients.  She works with clients of all sizes and stages of development, from startups to multinational corporations, providing strategic counsel to assist them in developing comprehensive IP portfolios to achieve their business objectives.

Prior to becoming an attorney, Emily worked as a chemical engineer at well-known companies such as The Boeing Company and Proctor & Gamble Paper Products. She also worked as a research associate at the Environmental Protection Bureau of the New York Attorney General's Office. Emily served as a U.S. Peace Corps Volunteer in Tanzania, East Africa. She currently volunteers with the International Rescue Committee as a mentor for refugees brought to the Seattle area for resettlement. Super Lawyers named Emily a "Rising Star" in 2007, 2009 – 2012.

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  • Professional Experience

    • Christensen O'Connor Johnson KindnessPLLC
      Seattle, WA, 2001 - present
    • United States Court of Appeals for the Ninth Circuit
      Extern to Judge Richard C. Tallman, Seattle, WA, 2003


  • Technical Experience

    • Chemical Engineer
      The Boeing Company, Interiors Research & Development, 1996-1997
    • Co-op Engineer
      Proctor & Gamble Paper Products, Sulphite Pulp Mill, 1995
    • Volunteer Research Associate
      Environmental Protection Bureau, Attorney General's Office, 1995
    • Co-op Engineer
      Boise Cascade Corporation, Fine Paper Division, 1993-1994
  • Professional Affiliations

    • American Bar Association, Women Rainmakers Section
    • American Intellectual Property Law Association
    • International Rescue Committee, Volunteer Mentor
    • Joan Fitzpatrick Memorial Fund Committee, Founding Member
    • King County Bar Association
    • Washington State Patent Law Association
    • Women Business Owners
  • Presentations & Publications


    • “Recent Changes for IP in Europe,” Christensen O’Connor Johnson Kindness; (Seattle, WA, September 2017).
    • “Essentials for Entrepreneurs Workshop Series: Trade Secrets,” Northwest Entrepreneur Network; [Seattle, WA, January 2006].
    • “Knorr-Bremse: Reforming Willfulness Jurisprudence,” King County Bar Association, Intellectual Property Section Meeting; [Seattle, WA, November 2004].



    • Memorandum, “Patent Update: First-Inventor-To-File Transition,” Peyser, E.C. [November 2012].
    • Memorandum, “Knorr-Bremse and the Law of Willful Infringement,” Peyser, E.C. (January 2005).
    • Memorandum, “Knorr-Bremse: Reforming Willfulness Jurisprudence?,” Peyser, E.C. (October 2004).
    • Memorandum, “States Can Be Sued for Violations of Intellectual Property Rights,” O’Connor B.E., Peyser, E.C. (January 2003).
    • Ex parte Young: A Mechanism for Enforcing Federal Intellectual Property Rights Against States,” Boston University Journal of Science and Technology Law, Vol. 10.2,
      pp. 1 - 39, 2004, O’Connor, B.E., Peyser, E.C.
    • “‘Pacific Solution’? The Sinking Right to Seek Asylum in Australia,” Pacific Rim Law & Policy Journal, Vol. 11, No. 2, pp. 431 – 460, 2002, Peyser, E.C.


    • J.D., University of Washington School of Law, 2003
    • B.S., Chemical Engineering, Rensselaer Polytechnic Institute, 1996

Bar & Court Admissions

    • United States District Court, Western District of Washington
    • United States Patent and Trademark Office
    • Washington State Bar
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