Professionals
Practice Areas
- Chemical and Material Sciences Practice
- Due Diligence in IP Acquisitions
- Foreign & PCT Patent Filing
- Life Sciences Practice
- Patent Landscaping and Risk Analysis
- Patents
- Pharmaceutical Patent Services
- Pharmaceutical Practice
- Product Clearance
- Strategic IP Portfolio Development and Management
- Utility, Design, and Plant Patent Filing with the USPTO
Technologies
- Biotechnology
- Chemistry
- Food Science
- Nanotechnology
- Pharmaceuticals & Pharmaceutical Formulation
Admissions
- State of Wisconsin, 2010
- State of Connecticut, 2009
- U.S. Patent and Trademark Office, 2002
Education
University of Connecticut School of Law, J.D., 2008
University of Colorado, American Cancer Society Postdoctoral Fellowship, 1992-1995
Yale University, Ph.D., Biophysical Chemistry, 1992
Providence College, B.S., Chemistry and Biology, summa cum laude, 1987

Karen A. LeCuyer, Ph.D.
Karen LeCuyer’s practice provides patent representation to clients working in the disciplines of chemistry, pharmaceuticals with an emphasis on formulations and drug delivery/nanomedicine, life science, biotechnology, biological polymers, dermal fillers, diagnostics, agriculture, animal health, materials science, and other areas. She has extensive experience in patent application, preparation, and prosecution, in the U.S. and overseas representing individual inventors, academic institutions, start-up companies as well as larger companies. Karen has also prepared patentability, invalidity, infringement/non-infringement, and freedom-to-operate opinions, particularly in the area of Abbreviated New Drug Application certifications. Additionally, Karen has extensive experience in patent searching as well as assisting clients to develop a proactive patent strategy for their products. Prior to practicing patent law, Karen was an assistant professor of biochemistry at the University of Connecticut Health Center.
Experience Highlights
Partner and Vice Chair, Pharmaceutical Patent Practice, Cantor Colburn LLP, 2021-present
Counsel, Cantor Colburn, 2015-2020
Associate, Cantor Colburn, 2009-2014
Patent Agent, Cantor Colburn LLP, 2001-2009
Assistant Professor of Biochemistry, University of Connecticut Health Center, 1995-2001
News
- December 21, 2020
Effective 2021, Cantor Colburn's new Partners are Ali Hayter, Jared Howenstine, Karen LeCuyer, Ph.D., Duane Minley and Roberta Pelletier. New Counsel are Alison Caless and Michael Powell.
Events
- October 2, 2019Madison, Wisconsin
Karen LeCuyer, Ph.D. will attend the 2019 Wisconsin Biohealth Summit on October 2, 2019 in Madison, Wisconsin, presented by BioForward. The annual Biohealth Summit serves as Wisconsin’s platform to highlight its diverse biohealth community and collaborate on new challenges and opportunities.
- March 19, 2018UConn Law School - Reading Room, Hartford, CT
Cantor Colburn is the Platinum Sponsor for the UConn Innovation Workshop & Patent Celebration on March 19, 2018 at the UConn Law Reading Room. This event will celebrate the UConn/ UConn Health Faculty innovations that have recently been issued patents from the USPTO.
Michael Cantor, Co-Managing Partner of Cantor Colburn, will be a featured speaker. Michael is an Alum of the School of Engineering and the Law School. He has been an adjunct professor teaching at the Law School for more than 20 years.
- April 12, 2017University of Wisconsin, Madison, Wisconsin
Cantor Colburn is proud to be a returning sponsor of The Wisconsin Alumni Research Foundation (WARF) Discovery Challenge on April 12, 2017 at the University of Wisconsin in Madison, Wisconsin.
- April 6, 2016University of Wisconsin, Madison, Wisconsin
Cantor Colburn is proud to be a sponsor of The Wisconsin Alumni Research Foundation (WARF) Discovery Challenge on April 6, 2016 at the University of Wisconsin at Madison.
Professional Affiliations
American Chemical Society
AAAS
Association of University Technology Managers
Intellectual Property Owners Association (IPO)
Community/Civic Involvement
Development Committee, Gilda's House