Stephen S. Wentsler

Stephen S. Wentsler is a highly experienced intellectual property lawyer and Managing Member of Wentsler LLC, who focuses on helping inventors and businesses protect their innovation through strong patent strategies. Since 2000, he has represented clients across a wide range of industries, including mechanical, biomedical, electro-mechanical, and glass manufacturing. His work centers on preparing and prosecuting patent applications, addressing complex legal issues, and guiding clients through every stage of the patent process in the United States and abroad.

Mr. Wentsler earned his J.D. from Syracuse University College of Law, where he received the CALI Award for the highest grade in Patents and Trade Secrets and was named to the Dean’s List. He also holds a B.S. in Mechanical Engineering from the University of Cincinnati, graduating magna cum laude. His engineering education provides a strong technical foundation, enabling him to understand complex inventions and translate them into explicit, enforceable patent claims.

Mr. Wentsler served as a patent examiner at the United States Patent and Trademark Office for over three years before entering private practice. This experience gives him valuable insight into how patent applications are reviewed, allowing him to anticipate issues and respond effectively to Office actions. He assists clients with original U.S. applications, national phase and convention filings, and strategic foreign filings in jurisdictions such as Europe, Japan, China, Korea, and Taiwan. He also advises on infringement and validity opinions, clearance investigations, and due diligence matters, often recommending design changes to reduce legal risk.

Stephen S. Wentsler is a frequent speaker on U.S. patent law and procedure at national and international programs in addition to client work. He is recognized for his contributions to intellectual property law and has received multiple professional honors. Through careful counseling and practical solutions, he helps clients secure, manage, and protect valuable intellectual property assets worldwide.

Law Office Affiliations

• Managing Member, Wentsler LLC
• Member, Ohio State Bar Association
• Member, American Intellectual Property Law Association
• Member, Cleveland Intellectual Property Law Association

Licensed State

• Ohio

Education

• Syracuse University College of Law
  Juris Doctor (JD)
• University of Cincinnati
  BS in Mechanical Engineering with Magna Cum Laude

Awards & Badges