Overview
John P. Hanish, Ph.D., is a Shareholder in Maynard Nexsen’s New York office and a member of the Firm's Intellectual Property Litigation and Intellectual Property Protection practice groups. John has 27 years of experience in the trial and appeal of patent licensing and infringement matters in the federal courts, International Trade Commission, and arbitration.
John also practices in the U.S. Patent and Trademark Office with respect to filing petitions and conducting proceedings for post-grant review and inter partes review. He also assists clients with patent prosecution, opinions regarding patent infringement and validity, and IP due diligence for transactions.
John's doctorate and research experience help him assist clients with patent issues in the life sciences and biopharma. John also has extensive experience with medical devices, consumer products, technology, and software patents.
Before he attended law school, John was a Winston Fellow at The Rockefeller University and a Research Scientist at the Sloan-Kettering Institute.
Community & Professional
- Member, Board of Directors of the North Dakota State University Research Foundation
- International Intellectual Property Society
- ABA Dispute Resolution Section
Experience
- Hatch-Waxman pharmaceutical drug product patent infringement and patent licensing litigation and arbitration
- Representing life sciences companies in patent prosecution, licensing negotiations, and patent infringement/validity disputes
- IP due diligence for transactions
Recognitions
Recognition
- Listed in Best Lawyers in America® for Litigation - Intellectual Property, 2025
Media
Insights
Admissions
- State Bar: New York
- U.S. District Court: New York (Eastern, Southern, Western)
- U.S. Court of Appeals: First Circuit, Third Circuit, Ninth Circuit, Federal Circuit
- U.S. Supreme Court
- U.S. Patent & Trademark Office