Eric Williams

Partner, Registered US Patent Attorney

Eric Williams

Eric is a registered patent attorney with 16 years of experience working in the patent field. Eric focuses his practice primarily on patent procurement, due diligence, opinion work, portfolio management and strategic client counseling. Eric has represented clients ranging from small start-up companies concerned with a limited number of critical patents to large multi-national corporations having extensive global patent portfolios.

Eric assists clients in obtaining and maximizing the value of patent portfolios. He utilizes insight he acquired working at the Patent Office to help clients obtain broad and valuable patent protection in a timely and cost-efficient manner.

Eric has drafted and prosecuted numerous domestic, foreign and international (PCT) applications in a wide variety of technology spaces including biomedical, mechanical, electrical, electro-mechanical, and computer-related arts. He has handled technologies such as stents, implants, endoscopes, wound closure devices, dialysis systems, medical imaging systems, reconstitution devices, catheters, infusion pumps, orthopedic devices, medical diagnostic systems, medical monitoring systems, water pumps and systems, packaging devices, deep brain stimulation systems, algae harvesting systems, sensors, electrical fuses, windmills, temperature control systems, artificial turf systems, gaming systems, consumer appliances, electronic display devices, sporting and outdoor equipment.

Eric has experience analyzing competitors’ technologies and patent filings for potential strategic licensing, litigation, or acquisition opportunities. He has performed numerous freedom to operate and clearance projects and provided invalidity, non-infringement and design around advice and opinions.

Eric also has experience assisting with US patent litigation matters and handling US and European Patent Office (EPO) post-grant proceedings including EPO oppositions at the Opposition Division and Appeals Board, where he has attended and managed oral proceedings.

Published articles

  • November 2006
    Intellectual Property and Technology Forum, Remembering the Public’s Interest in the Patent System, A Post-Grant Opposition Designed to Benefit the Public


Registered U.S. Patent Attorney, 2005

  • 2006
    J.D, with honors, Chicago-Kent College of Law, IIT
  • 2001
    B.S, with honors, Mechanical Engineering, Michigan State University

Career history

  • 2018 — present
    Patent Attorney, EIP
  • 2016 — 2018
    Patent Attorney, Quarles & Brady
  • 2006 — 2016
    Patent Attorney, K&L Gates
  • 2001 — 2004
    Patent Examiner, U.S. Patent and Trademark Office

Awards and recognition

  • IAM Patent 1000 2024 (link)
  • Ranked as 'Patent Star 2024' IP Stars (link)

Speaking engagements

  • 10 May 2019
    TechGC, 5th Annual Fullstack GC Conference
  • 11 April 2019
    TechGC, San Francisco Private Dinner + CLE



  • Additive manufacturing
  • Applied physics
  • Automotive electronics
  • Consumer electronics
  • Electrical engineering
  • Electromechanical systems
  • Image and signal processing


  • Additive manufacturing
  • Electrical engineering
  • Electromechanical systems
  • Mechanics


  • Geothermal
  • Wind


  • Additive manufacturing
  • Medical devices
  • Surgical tools and implants