Jason A. Lief

Jason Lief is a premier patent trial lawyer with 25 years of experience. He has litigated and tried dozens of major patent and other intellectual property cases on behalf of some of the world’s most innovative and dynamic companies, often involving billion dollar products. Applying his legal and scientific training, Jason has established a reputation for winning outcomes and courtroom excellence.

Jason’s cases include major Hatch-Waxman pharmaceutical litigations (Zantac®, Wellbutrin®, Wellbutrin SR®, Wellbutrin XL®, Ceftin®, Intuniv®, Vyvanse®, Oxtellar XR®, Angiomax®, and Lialda®), as well as biotech, chemical, and consumer product patent cases. Jason has also litigated trade secret, trademark, copyright, and IP contract disputes. He has argued before the U.S. Court of Appeals for the Federal Circuit and appeared in foreign courts pursuant to the Hague Convention. Jason has also successfully litigated in the inter partes review (IPR) arena.

Beyond litigation, Jason also counsels clients on various intellectual property issues.

Jason’s approach is to partner with clients to comprehensively understand the scientific, legal and business concerns they face. Listening to clients and asking the right questions is the key to winning. As Jason often says, “litigation is the art of the question.”

Jason’s matters have spanned a range of technologies and industries, including: pharmaceutics, pharmaceutical formulation, sustained-release formulations, pharmacokinetics, biotechnology, organic chemistry, polymers, antibodies, combinatorial chemistry, RNAi, DNA-sequencing technology, antibiotics, anti-depressants, anti-epileptic drugs, anti-retroviral AIDS drugs, ADHD medicines, gastrointestinal and anti-ulcer medicines, asthma medications, nanotechnology, injectables, peptide drug formulation, drug stabilization, advanced battery systems, detergents, dental rinses, deodorants, financial trade secrets and jewelry design.

At Cardozo School of Law, he was Editor of the Law Review.