Gregory F. Ahrens

Partner

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Greg is in his thirty-seventh year of practicing intellectual property law. His expertise is concentrated in intellectual property litigation, and in that capacity he has handled more than a dozen jury trials, a multitude of appeals through the Federal Circuit Court of Appeals (from Federal Courts and an equal number of PTAB trials). Greg is also admitted to practice before the United States Patent and Trademark Office and the United States Supreme Court. Greg was named the Best Lawyers “Lawyer of the Year” for Intellectual Property Litigation in Cincinnati in 2018, 2021, and 2024 and is a Past President of the Cincinnati Chapter of the Federal Bar Association.

Areas Of Practice

Litigation/Dispute Resolution
Post Grant Options at the PTBA
Patents
Chemicals/Materials Science
Trademarks

Bar Admissions

Ohio, 1987
Wisconsin, 1987
U.S. Patent and Trademark Office
U.S. Court of Appeals Federal Circuit
U.S. Court of Appeals 9th Circuit
U.S. Supreme Court

Education

University of Wisconsin Law School, Madison, Wisconsin
- J.D. – 1987
- Law Journal: Wisconsin International Law Journal Managing Editor
University of Texas at Austin, Austin, Texas
- Bachelor of Science – Chemical Engineering – 1983

Honors And Awards

Best Lawyers® Litigation - Intellectual Property ''Lawyer of the Year'' in Cincinnati, 2024
The Best Lawyers in America®, 2006 - 2025
Ohio Super Lawyers®, 2007 - 2024
Best Lawyers® Litigation - Patent ''Lawyer of the Year'' in Cincinnati, 2021
Best Lawyers® Litigation - Patents ''Lawyer of the Year'' in Cincinnati, 2018
Past President of the Cincinnati/Northern Kentucky Chapter of the Federal Bar Association

Professional Associations And Memberships

American Bar Association
Cincinnati Bar Association
Wisconsin Bar Association
American Intellectual Property Law Association
Cincinnati Intellectual Property Law Association
Federal Bar Association, Cincinnati/Northern Kentucky Chapter, Past President and Executive Committee member
Federal Circuit Bar Association