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Katie Eissenstat

Katie Eissenstat

Katie Eissenstat is an associate in the Intellectual Property Practice Group in the Dallas office. Her practice focuses on trademarks and brand management.

Prior to joining the firm, Katie served as a Trademark Examining Attorney at the U.S. Patent and Trademark Office where she reviewed thousands of trademark applications. Drawing on this experience, Katie leverages her knowledge from inside the USPTO to help clients procure, defend, and enforce trademark rights both domestically and internationally. She analyzes and advises on the availability of potential trademarks, prosecutes trademark applications through to registration, proactively manages trademark portfolios, and assists with cease-and-desist efforts when needed.

Katie’s performing arts background helps her bring creative thinking to her legal practice. She is a graduate of the Wanda Bass School of Music at Oklahoma City University, where she received her Bachelor of Music degree and graduated with honors. Katie additionally received her J.D. at the University of Oklahoma where she graduated with honors and served as Research Editor for the Oklahoma Law Review.

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  • Oklahoma Bar Association, Intellectual Property Law Section
  • International Trademark Association (INTA), Member


J.D., University of Oklahoma College of Law, 2016, cum laude; Research Editor, Oklahoma Law Review

B.M., Musical Theater, Oklahoma City University, 2013, cum laude




Supreme Court Claws Back Trademark Rights by Removing Lanham Act’s Extraterritorial Scope
June 29, 2023

Today, the U.S. Supreme Court limited the rights of U.S. brand owners to protect their consumers from buying infringing products. In a case regarding the extraterritorial application of the federal trademark Lanham Act, the Court ruled that the Lanham Act is NOT extraterritorial, in opposition to decades of caselaw, and only extends “to claims where the claimed infringing use in commerce is domes [...]

Mike McArthur
Press Release

Haynes Boone Wins CDRP Dispute for Client

April 26, 2022