Margie B. Aoki

Margie B. Aoki is a seasoned intellectual property attorney and member at Christensen O’Connor Johnson Kindness PLLC (COJK) in Seattle. With a background in mechanical engineering and years of legal experience, Margie collaborates closely with inventors and companies to craft effective patent strategies. She specializes in preparing and prosecuting utility and design patent applications, and her focus is on aligning IP protections with client innovations and business goals. Her approach combines technical precision with legal insight to support innovations in diverse industries.

Margie earned her J.D., cum laude, from Seattle University School of Law in 2005. She holds a B.S. in Mechanical Engineering from the University of Illinois at Urbana-Champaign, which she earned in 1999.

Margie was admitted to practice in Washington State before the United States Patent and Trademark Office. She began her legal career at Christensen O’Connor Johnson Kindness PLLC in 2003, later joining Polsinelli PC in 2019, and returning to Christensen O’Connor Johnson Kindness PLLC in 2022. Her practice includes patent prosecution, freedom-to-operate and validity opinions, due diligence for portfolio acquisitions, and design-around strategies.

Margie advises clients across a range of technical fields, including food processing equipment, machinery, heavy-duty vehicles, clean energy systems, surveillance technology, medical devices, consumer products, and spacecraft systems. Margie is known for her clear communication with patent examiners, facilitating efficient paths to patent allowance.

Margie B. Aoki’s contributions to the field have earned her national recognition. She is listed in IAM Patent 1000 – The World’s Leading Patent Professionals, Managing IP’s IP Stars 2025, and The Best Lawyers in America. With previous technical roles at Intel Corporation and Kimberly-Clark, Margie combines hands-on engineering experience with top-tier legal expertise, making her a trusted advisor for clients seeking strong, business-aligned intellectual property protection.

Law Office Affiliations

• Member, Christensen O’Connor Johnson Kindness PLLC.
• Member, Intellectual Property Owners Association (IPO)
• Member, Washington State Patent Law Association

Licensed State

• Washington

Education

• Seattle University School of Law
  Juris Doctor (JD)
• University of Illinois at Urbana‑Champaign
  Bachelor of Science (BS)

Awards & Badges