Benjamin C. Kristof

Benjamin J. Christoff is a Principal at Fish & Richardson, focusing his practice on complex patent litigation, appeals, and post-grant proceedings. With a background in chemical engineering, his technical expertise spans a wide array of technologies, including semiconductors, medical devices, memory, wireless communication, computer networking and databases, digital rights management, near field communication, tissue grafting technology, and biofuels. While his tracked appearances include representing plaintiffs, his broader experience at Fish & Richardson involves advocating for major consumer electronics companies and a leading automotive manufacturer in disputes related to cellular communication, indicating a practice that encompasses both plaintiff and defendant-side representations for operating companies.

Mr. Christoff has played key roles in significant matters, with experience in U.S. district courts, the U.S. Court of Appeals for the Federal Circuit, and the International Trade Commission (ITC). His work has involved critical aspects of litigation such as arguments on claim construction, jury instructions, and motions for judgment as a matter of law (JMOL), in addition to conducting direct and cross-examinations at trial. He was involved as counsel for the plaintiffs, including Rare Breed Triggers, Inc., in the case RARE BREED TRIGGERS, INC. et al. v. ORION TACTICAL LLC et al.

He possesses substantial experience with Patent Trial and Appeal Board (PTAB) proceedings, regularly advocating for clients in inter partes reviews (IPRs) and other post-grant matters. This expertise is further evidenced by his co-authorship of Fish & Richardson's "2024 Post-Grant Annual Report," which provides in-depth analysis of PTAB practice and trends.

Admitted to practice in Colorado and the District of Columbia, Mr. Christoff earned his B.S. in Chemical Engineering from the University of Dayton in 2010. He subsequently received his J.D., with a focus on Intellectual Property, from the University of Dayton School of Law in 2013, and an LL.M. with highest honors in Intellectual Property from George Washington University Law School in 2014. He also served as a law clerk for the Honorable Jimmie V. Reyna at the U.S. Court of Appeals for the Federal Circuit from 2020-2022.