David J. Galluzzo Email: djg@lmiplaw.com - Lucas & Mercanti, LLP

David J. Galluzzo


David Galluzzo is a trial and transactional attorney whose legal, business, and scientific careers span two decades. David uses his combined expertise to provide real-world solutions to clients – from startups to large corporations – in virtually all areas of intellectual property, business, and arts and entertainment law.

David’s diverse practice includes representing both branded and generic pharmaceutical companies in Hatch-Waxman and other patent infringement actions; representing clients in IPR proceedings before the Patent Trial and Appeal Board; drafting trademark and patent applications; and providing freedom-to-operate, invalidity and non-infringement opinions. David’s business acumen has also attracted clients in data science, arts and entertainment, manufacturing, insurance, construction, and many other industries. For example, David’s clients include famous artists, television and movie producers, and toy manufacturers worldwide.

Before his legal career, David was a research scientist at Pfizer, Inc. where he synthesized pharmaceutical compounds for the treatment of cardiovascular and metabolic diseases. This industry expertise has proven invaluable to his clients and credits his expertise in expert discovery as the author of the book “Qualifying and Attacking Expert Witnesses.”

Prior to joining Lucas & Mercanti, LLP, Mr. Galluzzo was an attorney at the firms of Kasowitz, Benson, Torres & Friedman LLP and Fitzpatrick, Cella, Harper & Scinto LLP, where he specialized in Hatch-Waxman litigation and Paragraph IV matters. David also owned a consulting firm that specialized in intellectual property branding, promotion, and marketing.


Author of the book, "Qualifying and Attacking Expert Witnesses,” which teaches experienced attorneys and expert witnesses how to consistently win the proverbial “battle of the experts” in the biggest and most complex “bet the company” cases.
  • It Is Not Fair to Leap Frog Expert Disclosure Requirements: An Analysis of HVLPO2 v. Oxygen Frog IPWatchdog® (March 3, 2020)

    • American Bar Association
    • American Intellectual Property Law Association
    • N.Y. Intellectual Property Law Association
    • International Association for the Protection of Intellectual Property (AIPPI)


    • University of Connecticut School of Law, Juris Doctor. Graduated in the Intellectual Property Honors Program and served as Editor Intellectual Property Notes.
    • University of Connecticut, Bachelor of Science, molecular biology and chemistry. Honors: magna cum laude and member of the Phi Beta Kappa Society.


    • New York State Bar
    • Connecticut State Bar
    • U.S. District Court; Southern District of New York
    • U.S. District Court; Eastern Districts of New York