Practice Areas



  • Cytec Circle of Excellence for Research and Development, 1998
  • Cytec Special Recognition Awards, 1997, 1999


  • U.S. Patent and Trademark Office, 2011


Stony Brook University, Ph.D., Organic Chemistry, 1986

Wesleyan University, B.A., Chemistry, cum laude, 1978


  • Reading knowledge of German
Photo of Dennis J. Jakiela, Ph.D.

Dennis J. Jakiela, Ph.D.

Senior Patent Agent
860.286.2929, ext. 1259

Dennis Jakiela concentrates his practice on engineering thermoplastics, thermosets, coatings, and green manufacturing processes for global chemical companies. Dennis writes and prosecutes U.S. and PCT applications and is a lead advisor to foreign associates. Prior to joining Cantor Colburn, Dennis rose to Principal Research Scientist at Cytec Industries and gained experience in all aspects of chemical research and development, including product development, process development, process scale-up, applications testing, and technical service. He holds 18 patents in light stabilizer technology and chemical manufacturing processes, which have been licensed, and he enjoys working with inventors to define inventions. Dennis has also served as an expert witness in several EPO patent opposition hearings.

Experience Highlights

Senior Patent Agent, Cantor Colburn LLP, 2020-present

Patent Agent, Cantor Colburn LLP, 2011-2019

Technical Advisor, Cantor Colburn LLP, 2008-2011

Senior Product Development Chemist, Thermal Product Research, Waterbury, CT, 2007–2008

Laboratory Manager, Spartech Polycast, Stamford, CT, 2006–2007

Senior Chemist, Skin Biosciences, Unilever, Trumbull, CT, 2006

Senior Chemist, Process Development, Hampford Research, Stratford, CT, 2004–2006

Numerous Scientific Leadership Positions, Cytec Industries, Stamford, CT, 1989–2003

Principal Applications Development Chemist, Polymer Additives, 2001–2003

Principal Research Chemist, Urethanes Product Development, 1999–2001

Senior Application Development and Technical Service Chemist, Coating Additives, 1998–1999

Senior Research Chemist, Polymer Additives New Product and Process Development, 1997–1998

Senior Technical Service Chemist, Coating Additives, 1995–1996

Senior Research Chemist, Polymer Additives New Product and Process Development, 1989–1995

Senior Associate Chemist, Sun Co. (Sunoco), Marcus Hook, PA, 1986 – 1989

Technical Service and Application Development, Wax Technology, 1988–1989

Polymer Chemist, Enhanced Oil Recovery, 1986-1988


"Careers for Chemists and Chemical Engineers in Patent Law," by Dennis Jakiela, Fall 2022 Newsletter for the Connecticut Valley Section of the American Chemical Society 



Professional Affiliations

American Chemical Society, New Haven Section

  • Chairman, 2024
  • Committee Chair and Head Judge for the Student Research Symposium, 2024
  • Alternate Councilor, 2019-2021
  • Past Chairman, 2010-2013
  • Chairman, 2009
  • Program Chair, 2005-2008
  • Bulletin Editor 2008-2009
  • National Chemistry Week Coordinator, 2005-2006

Intellectual Property Owners Association (IPO)

Community/Civic Involvement

Capital Classics Theater Company, Board Member, 2023-2024

National Chemistry Week Coordinator for New Haven County, 2005-2006