John J. Cunniff

Of Counsel 239.254.2915


John J. Cunniff is a registered patent attorney is certified by the Florida Bar as a Specialist in Intellectual Property Law. Board certification recognizes attorneys’ special knowledge, skills and proficiency in various areas of law and professionalism and ethics in practice. John provides expertise on intellectual property law, including patents, trademarks, copyright, trade secrets, and legal opinions on patentability, infringement and validity issues. He prepares and reviews confidential disclosure and joint-development agreements, and trade-secret protection plans. John’ counseling also consists of prosecution of Internet domain-name complaints. 

John also deals with the preparation and prosecution of trademark registration and patent applications in the U.S. Patent and Trademark Office and worldwide. He maintains management of national trademark registration and patent applications worldwide. His core technologies include biotech/biomedical, chemical, polymers and biological and mechanical arts.

Prior to becoming an attorney, John spent seven years as a research associate for Amersham Pharmacia Biotech/US Biochemical Corporation, a major supplier of enzymes and reagents used in pharmaceutical research. He also worked for six years as a senior research associate at the Jackson Laboratory, a leading genetics research laboratory. He also holds a U.S. patent for Thermostable DNA Polymerase (#5,885,813) as well as corresponding patents in Canada, Japan and Europe.

John is licensed in Florida and Ohio.

 Professional History

  • Of Counsel, Hahn Loeser & Parks LLP, 2012-present; Associate, 2004-12
  • Associate, Renner, Kenner, Greive, Bobak, Taylor & Weber, 1999-2004
  • Research Associate, American Pharmacia Biotech/US Biomedical Corp., 1992-99
  • Senior Research Assistant, The Jackson Laboratory, 1986-92



University of Akron, J.D., 1999

Honors & Activities: Dean’s List


Indiana University, M.A., Microbiology, 1988


Indiana University, B.S., Biology with honors, 1984

Community Involvement

DDC Clinic, Member, Institutional Review Board


Akron Volunteer Legal Services, Former Member


Cleveland Intellectual Property Law Association, Member and Former Director


Ancient Order of Hibernians, Member and Former Treasurer, St. Brendan Division


Firestone High Aquatic Association, Former Treasurer


Firestone Football Association, Former President

Awards & Distinctions

Inventor, U.S. Patent No. 5,885,813: Thermostable DNA Polymerase

Bar Admissions

U.S. Patent and Trademark Office


U.S. District Court for the Northern District of Ohio


U.S. District Court for the District of Colorado


State of Florida


State of Ohio


U.S. Court of Appeals for the Sixth Circuit


Florida Bar Board Certified Specialist, Intellectual Property

Memberships & Affiliations

American Intellectual Property Law Association, Member


Cleveland Intellectual Property Law Association, Member