Emily Peyser partners with clients to develop strategic, comprehensive intellectual property plans that help build, monetize and protect patent and trademark portfolios. She places a high value on working closely with clients to establish long-term relationships and a deep understanding of their business objectives. Emily advises at every stage in of the IP lifecycle, with an emphasis on planning, U.S. and foreign patent and trademark procurement, opinions, enforcement and licensing.

Emily is recognized by leading industry guides for the strength of her intellectual property counsel. IAM Patent 1000 notes that she is “the go-to partner for crafting dynamic IP solutions that fortify and elevate patent portfolios. Known for her adept handling of complex challenges, Peyser is a trusted adviser who is unwavering in her commitment to her patrons’ success and ensures their interests are maximized at every turn.” Chambers & Partners also reflects strong client feedback, with one client stating, “She is an excellent attorney,” and noting that “Emily is outstanding at all levels.”

With a technical background spanning electrical, mechanical and chemical engineering, Emily counsels clients across a wide range of technologies, including launch vehicle and satellite components and systems, antennas and RF communication systems, robotics, semiconductor manufacturing tools and metal deposition processes, large-scale electrical energy storage systems, electrochemical ion exchange systems, nuclear fuel cycle products and services, biofuels, commercial vehicles, food processing, medical devices, pulp and paper, timberland management, wood products, and recreational equipment.

Before becoming a patent attorney, Emily worked in chemical engineering roles at several industry leading companies, including one of the largest global aerospace manufacturers and one of the largest multinational consumer goods corporations. Her early industry experience informs her practical, business-aware approach to IP strategy.

Emily served as an extern to Judge Richard C. Tallman, of the United States Court of Appeals for the Ninth Circuit. She also served as a U.S. Peace Corps Volunteer in Tanzania, East Africa. Emily currently volunteers with the International Rescue Committee mentoring refugee families.

Education

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

    Bar Admission

    • Washington, 2003
    • Admitted to practice before the United States Patent and Trademark Office

    Court Admissions

    • U.S. District Court, Western District of Washington

    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
    • Washington State Bar Association
    • Women Business Owners

    Recognition

    • Selected for inclusion in Best Lawyers in America® for Trademark Law, 2026
    • Named “Top IP Attorney in Washington” by The IP Lawyers, 2021
    • Ranked in Chambers USA: America’s Leading Lawyers for Business, Intellectual Property, Washington, 2023-2025
    • Selected for inclusion in the IAM Patent 1000 list of the World's Leading Patent Practitioners, 2019-2025, Washington - Recommended - Bronze Prosecution
    • Selected for inclusion in Washington Law & Politics Rising Stars, 2007, 2009-2012