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FICPI, The International Federation of Intellectual Property Attorneys

Please mention that you found this IP professional through the FICPI website.

Mr. Stephen Wentsler

Mr. Stephen
Wentsler LLC

7443 Center Street


Tel: +1-440-290 4507

Fax: +1-440-290 4508


Since 2000, Steve Wentsler has gained extensive experience preparing and prosecuting patents in the mechanical, electro-mechanical, glass manufacturing and ceramic industries. Prior to entering the practice of law, Steve was a patent examiner at the United States Patent and Trademark Office for over three years.

Steve’s domestic patent practice includes preparing original patent applications and responding to Office actions from originally-filed applications, national phase applications and convention applications. He has particular experience drafting original patent applications for strategic filing in various foreign countries such as Japan, Korea, China, Taiwan and countries of Europe.

Steve’s domestic patent practice also includes rendering opinions concerning infringement and validity and he frequently suggests design changes to avoid infringement concerns. His domestic patent practice further includes conducting state-of-the-art investigations, clearance investigations and due diligence investigations.

Steve’s foreign patent practice includes significant experience responding to Office actions from the Japan Patent Office, the Korean Intellectual Property Office, the National Intellectual Property Administration of China, the Taiwan Intellectual Property Office, and the European Patent Office.

Steve frequently speaks, both domestically and internationally, on topics of U.S. patent practice and procedure.

Steve is a member of FICPI and currently serves as a Council Member of the U.S. Section. He is also a member of IPO (Intellectual Property Owner’s Association – International Patent Law and Trade Committee, and U.S. Patent Office Practice Committee); AIPLA (IP Practice in Japan Committee, IP Practice in the Far East Committee, and Patent-Relations with the USPTO Committee); and CIPLA.

Regional Qualifications

​Best Lawyers, Lawyer of the Year, Patent Law, Cleveland, Ohio - 2019

Best Lawyers, Lawyer of the Year, Patent Law, Cleveland, Ohio -2017

Academic Qualifications

Syracuse University College of Law

Law, J.D., 1996

CALI Award, highest grade in the study of Patents and Trade Secrets

University of Cincinnati

Mechanical Engineering, B.S.,

Magna Cum Laude, 1993

Pi Tau Sigma (Mechanical Engineering Honor Society);

Tau Beta Pi (The Engineering Honor Society)

Country of practice


Professional Experience

  • IP counselling
  • Patent drafting
  • Patent prosecution

Country/Region of membership


Technical Specialisms

  • Automotive, marine and aerospace engineering
  • Biomedical engineering; medical devices
  • Manufacturing methods and product handling
  • Mechanical, electro-mechanical and mechatronic engineering
  • Physics

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