- Complex Commercial and Business Litigation
- Copyright Litigation
- General Litigation
- Patent Litigation
- Pharmaceutical Litigation
- Pharmaceutical Practice
- Trade Secret Litigation
- Trademark and Copyright Litigation
- Trademark and Copyright Practice
- Trademark Litigation
- Trademarks and Trade Dress
- Unfair Competition and False Advertising Litigation
- State of Connecticut, 2018
- United States District Court for the District of Connecticut, 2021
Quinnipiac University School of Law, JD, magna cum laude, 2018
University of Connecticut, BA, History, 2010
Katherine Tassmer assists clients with an array of patent and trademark infringement actions and intellectual property transactional matters. She has experience in pharmaceutical litigation under the Hatch-Waxman Act, trademark litigation involving trade dress and unfair competition and false advertising, as well as drafting various intellectual property agreements, including settlement agreements, non-disclosure agreements, and manufacturing and supply agreements. She also has experience assisting with post-grant proceedings before the United States Patent and Trademark Office Patent Trial and Appeal Board. Katherine is knowledgeable in all phases of intellectual property litigation, from case inception through trial, and is well-versed in all aspects of electronic discovery.
Associate, Cantor Colburn LLP, 2018-present
Litigation Paralegal, Cantor Colburn LLP, 2012-2018
Business Development Associate, Gemma Renewable Power, LLC, 2011-2012
- June 30, 2021
The recent U.S. Supreme Court opinion in Minerva Surgical, Inc. v. Hologic, Inc., et al. upholds the centuries-old doctrine of assignor estoppel while simultaneously clarifying the boundaries of the doctrine’s application. Minerva may impact how businesses develop and implement their strategies to perfect ownership of their intellectual property. Cantor Colburn's Client Alert discusses what this means to you.
- The Patent Lawyer MagazineDecember 1, 2020
- November 11, 2020
Cantor Colburn's Client Alert addresses the Federal Circuit's decision on establishing venue in Hatch-Waxman suits.
- March 16, 2022virtual
- February 24, 2022webinar
Cantor Colburn attorneys David Bomzer, Katherine Tassmer, and Sara Colburn will present the basics of intellectual property - patents, trademarks, and copyrights - and transactions relating to the transfer and development of intellectual property rights on February, 24, 2022 at a webinar presented to the Inventors Association of Connecticut.
- April 26, 2021
During the Connecticut Invention Convention, more than 500 engineers, academics, scientists, entrepreneurs, and legal professionals will judge students' inventions and inspire young minds to pursue science and engineering studies and careers.
- April 18, 2019Hartford, Connecticut
Cantor Colburn is proud to sponsor the Boys & Girls Club of Hartford's 2019 GREAT Futures Celebration on April 18, 2019 at the Connecticut Convention Center in Hartford, Connecticut.
Connecticut Bar Association
Phi Delta Phi International Legal Honor Society