Angus Chen Partner

With in-house pharma experience and a multidisciplinary practice at Haug Partners, Dr. Chen has a unique understanding of the business objectives of clients.


New York


745 Fifth Avenue, 10th Floor, New York, NY 10151

  • As a partner at Haug Partners, Angus Chen draws on his legal and scientific background to strategically navigate the dynamic area at the intersection of law and science. Motivated by the desire to have a real life impact on people and their health, Dr. Chen’s practice also benefits from his prior experience as in-house Patent Counsel for a specialty pharmaceutical company, which has provided him with the ability to effectively integrate clients’ interests and a business perspective into his practice. Dr. Chen’s work at Haug Partners focuses on intellectual property litigation, counseling, opinion and agreement work. He specializes in the pharmaceutical patent and regulatory laws under the Hatch-Waxman Amendments to the Federal Food, Drug & Cosmetic Act. Dr. Chen has extensive experience with both brand and generic pharmaceuticals, including with respect to patent and regulatory strategies, lifecycle management, and settlement agreements.
  • Shire LLC v. Amneal Pharmaceuticals, LLC, Actavis Elizabeth LLC, Johnson Matthey Inc., Mylan Inc., Roxane Laboratories, Inc., Sandoz Inc., 11-3781 (D.N.J.)
  • The Medicines Company v. Teva Parenteral Medicines, Inc., APP Pharmaceuticals, LLC, Hospira Inc. et al., 09-750 (D. Del.)
  • The Medicines Company v. Mylan Inc. et al., 11-1285 (N.D. Ill.)
  • The Medicines Company v. Dr. Reddy’s Laboratories Ltd., Sun Pharma Global FZE, et al., 11-2456 (D.N.J.)
  • Chiesi USA, Inc. et al. v. Sandoz Inc. et al., 13-5723 (D.N.J.)
  • Cornerstone Therapeutics Inc. et al. v. Exela Pharma Sciences LLC et al., 13-1275 (D. Del.)
  • Galderma Laboratories, L.P., et al. v. Paddock Laboratories, Inc., 09-002 (N.D. Tex.)
  • Medicis Pharmaceutical Corporation v. Ranbaxy Inc. et al., 09-435 (D. Del.)
  • ACQ Global Awards 2015 - Life Sciences Lawyer of the Year
  • SuperLawyers® New York Metro Edition, 2011-2015
  • SuperLawyers® New York Metro Edition Rising Stars, 2016
  • State University of New York at Geneseo, (B.S. Biology, 1997)
  • Mt. Sinai School of Medicine, (Ph.D. & M. Phil. Biochemistry, 2002)
  • Fordham University, (J.D., 2005)
  • Intellectual Property Enforcement
  • Intellectual Property Procurement and Strategy
  • Licensing and Transactions
  • FDA Compliance and Counseling
  • New York
  • Southern District of New York
  • U.S. Court of Appeals for the Federal Circuit
  • Registered to practice before the U.S. Patent and Trademark Office
  • Federal Circuit Bar Association
  • New York Intellectual Property Law Association
  • New York State Bar Association