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Stephen S. Wentsler

Fax: (440) 290-4508

Steve Wentsler was a patent examiner at the United States Patent and Trademark Office for over three years prior to entering the practice of law. For over 18 years, Steve has gained extensive experience preparing and prosecuting patents in the mechanical, electro-mechanical, glass manufacturing and ceramic arts industries.

Steve’s domestic patent practice includes preparing original patent applications for filing in the United States Patent and Trademark Office. He has particular experience drafting applications that will also be subsequently filed in various foreign countries such as Japan, Korea, China, Taiwan and countries of Europe.

In addition, Steve’s domestic patent practice includes prosecuting patent applications by responding to office actions from the United States Patent and Trademark Office. He has extensive experience prosecuting patents that he originally prepared as well as prosecuting national phase applications and convention applications at the United States Patent and Trademark Office.

He has prepared numerous opinions regarding patent infringement and patent validity for his corporate clients. He frequently suggests design changes to avoid patent infringement concerns. His practice also includes conducting market clearance 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 State Intellectual Property Office of the People’s Republic 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. He has spoken at events hosted by FICPI (International Federation of Intellectual Property Attorneys), AIPLA (American Intellectual Property Law Association), and CIPLA (Cleveland Intellectual Property Law Association).

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


AIPLA IP Practice in Japan Committee Meeting, "Prosecution History Disclaimer:  US Prosecution Tips," La Quinta, California, January 2018.

AIPLA IP Practice in Japan Committee Meeting, "Means Plus Function: Recent Decisions and Practical Solutions," Washington, D.C., October 2017.

AIPLA IP Practice in Japan Committee Meeting, “Claim Drafting Tips post-Biosig and Williamson,” Washington, D.C., October 2015.

Korea Patent Attorneys Association, “USPTO Proposal to Require Identification of Patent Owners,” Seoul, Korea, April 2014.

FICPI Kyoto Symposium, “Description Requirements in the United States,” Kyoto, Japan, April 2014.

CIPLA CLE Presentation, “Changes in Patent Practice: Submission of Prior Art under the AIA and New Appeal Rules,” Cleveland, Ohio, March 2012.

AIPLA IP Practice in Japan Committee Meeting, “USPTO Implementation of Obviousness Guidelines,” Orlando, Florida, February 2011.

Korea Patent Attorneys Association, “New Initiatives for the USPTO under Director Kappos,” Seoul, Korea, July 2010.

FICPI ABC Meeting, “U.S. Patent Prosecution: Examiner’s Perspective” and “Update on U.S. Patent Law Reform,” Ottawa, Canada, June 2010.

Japan Patent Office, “Pros and Cons of Accelerated Examination at the USPTO,” Tokyo, Japan, April 2009.

AIPLA IP Practice in Japan Committee Meeting, “USPTO Rules Update: Status of the Rules Changes - Tafas v. Dudas; and Final Rules Changes for Ex Parte Appeals,” Washington, D.C., October 2008.

CIPLA CLE Presentation, “Best Practice Strategies in View of the USPTO Revised Rules of Practice,” Cleveland, Ohio, October 2007.

Honors & Awards

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

Best Lawyers 2016 - Northeast Ohio - Intellectual Property Law

The Best Lawyers in America - 23rd Edition

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Syracuse University College of Law
J.D., 1996

CALI Award, highest grade in the study of Patents and Trade Secrets, Dean’s List

University of Cincinnati
B.S., Mechanical Engineering, Magna Cum Laude, 1993
Pi Tau Sigma (Mechanical Engineering Honor Society); Tau Beta Pi (The Engineering Honor Society)


  • Supreme Court of Ohio
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Sixth Circuit
  • U.S. District Court for the Southern District of Ohio
  • U.S. Patent and Trademark Office

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