Practice Areas



  • New York, 2004
  • U.S. Patent & Trademark Office, 2004
  • U.S. District Court, Southern and Eastern Districts of New York, 2005
  • U.S. Department of Veterans Affairs, 2009
  • U.S. Court of Appeals for Veterans Claims, 2018
  • Not admitted in Connecticut


University of Connecticut School of Law, J.D., with honors, 2003

Miami University, B.S. Paper Science and Engineering, 1998

Photo of Aaron P. Bumgarner

Aaron P. Bumgarner

860.286.2929, ext. 1121

Aaron Bumgarner's intellectual property practice includes all aspects of domestic and international patent preparation, prosecution, and counseling for inventors in the chemical engineering and mechanical engineering industries.
Aaron is a chemical and paper engineer and a patent attorney of over 15 years’ experience, and has extensive experience in patent matters in chemical processes, pulp and paper manufacturing/chemicals, paper and fiber-based products, food packaging and specialty papers, non-woven products, filters and filtration systems, fluid handling and flow control equipment/systems, fuel additives, catalysts, processing hydrocarbon streams, aromatic products, aircraft components/systems, automotive components/products, additive manufacturing technologies, automation and control systems, nanotechnology and nanotube devices, pressure/temperature measuring devices, fuel cells, fiber optic applications, medical/dental devices and various mechanical devices.

Aaron’s client relationships include chemical companies, packaging and fiber-based product companies, aircraft companies, automotive companies, fluid handling and flow control equipment companies and technology/engineering institutes and universities.

Aaron performs patent drafting and prosecution; prepares opinions regarding patentability, non-infringement and invalidity; counsels clients regarding product design and clearance; assists clients with licensing and due diligence; provides trademark counseling and prosecution; and provides IP litigation support.

Prior to law school, Aaron worked as a Chemical/Paper Engineer for a fine paper mill; for a global paper-machine clothing supplier; and also for a global chemical company in its Paper Chemicals Department.

Experience Highlights

Counsel, Cantor Colburn LLP, 2019-present

Special Counsel, McCarter & English, LLP, 2016-2019

Associate, McCarter & English, LLP, 2007-2016

Associate, Morgan & Finnegan, LLP, 2003-2007

Technical Service Representative, Cytec Industries, 1998-2000


Professional Affiliations

Connecticut Bar Association

New York Intellectual Property Law Association

American Bar Association

Connecticut Intellectual Property Law Association

Fairfield County Bar Association

Intellectual Property Owners Association

Community/Civic Involvement

Connecticut Veterans Legal Center, Volunteer

NYC Bar Justice Center Veterans Assistance Clinic, Volunteer, 2009-2019