Justin T. FleischackerJustin T.Fleischacker
Associate, Intellectual Property
Justin Fleischacker is an associate in the Litigation Department of Paul Hastings and is based in the firm’s New York office.
His practice focuses on complex patent litigation with an emphasis on pharmaceuticals, medical devices and biotechnology.
Justin received his J.D., cum laude, with a concentration in intellectual property from Benjamin N. Cardozo School of Law in 2018, where he served as an articles editor of the Cardozo Law Review. He earned a Bachelor of Science in Engineering (B.S.E.) in Biomedical Engineering from the University of Connecticut in 2015. Justin is admitted to practice law in New York.
Prior to law school, Justin worked for a leading medical device company and served as a lead inventor on issued patents relating to defibrillator technology for first responders.
Benjamin N. Cardozo School of Law, J.D., 2018
University of Connecticut, B.S.E., 2015
Seagen Inc. v. Daiichi Sankyo Company Limited Daiichi Sankyo Company, Limited in a hotly contested complex arbitration and patent dispute worth billions of dollars concerning rights to biotechnology used for its antibody-drug conjugate (ADC) technology. Secured complete victory in a final award that dismissed the opposition’s claims as both substantively meritless and time-barred, and awarded the client $47 million in attorneys’ fees and costs.
Daiichi Sankyo Company, Limited in a hotly contested complex arbitration and patent dispute worth billions of dollars concerning rights to biotechnology used for its antibody-drug conjugate (ADC) technology. Secured complete victory in a final award that dismissed the opposition’s claims as both substantively meritless and time-barred, and awarded the client $47 million in attorneys’ fees and costs.
- Intellectual Property and Life Sciences
Best Lawyers: Ones to Watch in America
- Bench & Bar – Award of Excellence for 2023 Federal Circuit Bar Association Mock Pitch Program, Federal Circuit Bar Association