Professionals

Practice Areas

Technologies

  • Chemical Engineering
  • Chemistry
  • Polymer & Materials Science

Honors

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

Admissions

  • U.S. Patent and Trademark Office, 2011

Education

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

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

Languages

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

Dennis J. Jakiela, Ph.D.

Patent Agent
Hartford
860.286.2929, ext. 1259
Email

Dennis Jakiela concentrates his practice on chemicals, polymers, engineering thermoplastics, thermosets, coatings, agrochemicals, biotechnology, additive manufacturing, and manufacturing processes for both global companies and start-ups. 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

Publications

Orchestrating a Highly Interactive Virtual Student Research Symposium, Journal of Chemical Education, 2020, Jessica G. Freeze,* Jessica A. Martin, Patrick Fitzgerald, Dennis J. Jakiela, Clorice R. Reinhardt, and Ana S. Newton

Cantor Colburn Patent Agent Dennis Jakiela, Ph.D., co-authored an article in the Journal of Chemical Education in 2020, "Orchestrating a Highly Interactive Virtual Student Research Symposium," with Jessica G. Freeze,* Jessica A. Martin, Patrick Fitzgerald, Clorice R. Reinhardt, and Ana S. Newton. Dennis is an active volunteer leader with the New Haven Local Section of the American Chemical Society.

Trisaryl-1,3,5-triazine Ultraviolet Light Absorbers Containing Hindered Phenols
U.S. 6,239,275 B1
Trisaryl-1,3,5-triazine Ultraviolet Light Absorbers
6,355,708 B2, U.S. 6,242,597 B1
Trisaryl-1,3,5-triazine Ultraviolet Light Absorbers
U.S. 6,365,652 B2, U.S. 6,265,576 B1
Red-shifted Trisaryl-1,3,5-triazine Ultraviolet Light Absorbers
U.S. 6,348,591 B1
Process for Preparing Triazines Using a Combination of Lewis Acids and Reaction Promoters
U.S. 6,730,785; 6,486,316 B1
Process for Making Trisaryl Triazine UV Absorbers Using Lewis Acids and Reaction Promoters
U.S. 7,485,723 B2
Process for Making Triazine UV Absorbers Using Lewis Acids and Reaction Promoters
U.S. 6,900,314 B2
Process for Making 2-Hydroxy-4-Alkoxyphenyl or 2,4-Dihydroxyphenyl 1,3,5-Triazine UV Absorbers
U.S. 6,486,317 B1
Process for Making 2-(2-Hydroxy-4-Alkoxyphenyl)-4,6-Bisaryl-1,3,5-Triazines
U.S. 6,297,378 B1
Process for Making 2-(2,4-Dihydroxyphenyl) or 2-(2,4-Dialkoxyphenyl)-4,6-Bisaryl-1,3,5-Triazines
U.S. 6,225,468 B1
Process for Making 2,4-Dihydroxyphenyl and 2-Hydroxy-4-Alkoxyphenyl Substituted Triazine Compounds
WO 00/14706
Poly-Trisaryl-1,3,5-Triazine Carbamate Ultraviolet Light Absorbers
U.S. 6,306,939 B1
Non-yellowing para-tertiary-Alkyl Phenyl Substituted Triazine and Pyrimidine Ultraviolet Light Absorbers
U.S. 6,509,399 B2, U.S. 6,239,276 B1
Mono- and Bis-Bisbenzotriazolyldihydroxybiaryl UV Absorbers
U.S. 6,344,505 B1
Benzocycle-substituted Triazine and Pyrimidine Ultraviolet Light Absorbers
U.S. 6,384,113 B1, U.S. 6,297,377 B1
Aminoplast-anchored Trisaryl Triazine UV Absorber
U.S. 2003/0065066 A1

"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 

News

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