L. Donald Prutzman

Tannenbaum Helpern Syracuse & Hirschtritt LLP

West Chester, Pennsylvania 19380


Commercial, Contract, Copyright, Franchise, Insurance, Intellectual Property, Licensing, Non Compete, Patent, Trade Secrets, Trademark, Unfair Competition

L. Donald Prutzman is a partner in Tannenbaum Helpern's intellectual property group. His practice encompasses litigation and non-litigated matters. He has broad trial and appellate litigation experience, particularly in disputes involving trademark, copyright, art law, photographers' rights, apparel importation, antitrust issues and matters before the International Trade Commission. His litigation experience includes securities regulation and insurance coverage.

Donald advises on a wide range of non-litigated intellectual property matters including licensing; purchase and sale of intellectual property assets; website development, hosting and content; data licensing agreements; copyright registration; worldwide trademark registration and prosecution which includes representing clients before the Trademark Trial and Appeal Board, and antitrust and trade regulation advice and compliance. Representing clients from across industries, Donald has developed a particular focus in the following industry sectors: financial services, fashion, food and beverage, jewelry design, publishing, entertainment, and art and antiques.

In addition, Donald’s practice areas include Tannenbaum Helpern’s growing Cybersecurity and Data Privacy practice, an interdisciplinary team with experience in the many facets of this important area, including technology issues, cybersecurity and data privacy regulation and compliance, data breach planning and response and dispute resolution. He has helped guide clients in complying with the varying regulations of data privacy and protection in the U.S., Europe and other jurisdictions around the world, and in responding to data security breaches.

As a member of the American Arbitration Association's Panel of Neutrals, the International Trademark Association’s Panel of Trademark Mediators, the Eastern District of New York’s Panel of Arbitrators, and the FINRA Panel of Arbitrators, Donald serves as an arbitrator and mediator in intellectual property, financial and other commercial matters. A frequent speaker and author on intellectual property topics, Donald has been selected for inclusion in New York Super Lawyers for 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, and 2017.

When not practicing law, Donald enjoys cruising in, and working on, his verde green 1965 Buick Skylark convertible (with the 410 Wildcat V8).



Tannenbaum Helpern Syracuse & Hirschtritt LLP provides legal services in all areas of business law. Since 1978, Tannenbaum Helpern has combined a powerful mix of insight, creativity, industry knowledge, senior talent and transactional expertise to successfully guide clients through periods of challenge and opportunity. Our mission is to deliver the highest quality legal services in a practical and efficient manner, bringing to bear the judgment, common sense and expertise of well-trained, business minded lawyers. We represent corporations, investment funds, family offices, institutions, privately held businesses, individuals and charitable organizations.



Harvard College, 1973, A.B.
Honors: cum laude

Law School:
NYU, 1976, J.D.



  • New York State Bar Association (Co-Chair Intellectual Property Sub-Committee, International Law and Practice Section)
  • Vice President and Director, Respect for Law Alliance
  • Member, Mediation Panel, United States District Court for the Eastern District of New York
  • International Trademark Association - U.S. Subcommittee of the Parallel Imports Committee
  • American Arbitration Association's Panel of Neutrals

Bar Admissions:

  • New York
  • Pennsylvania
  • Georgia
  • United States District Courts
  • Eastern and Southern Districts of New York
  • Eastern District of Pennsylvania
  • United States Courts of Appeals for the Second, Third, Ninth, Eleventh, Federal and DC Circuits
  • United States Supreme Court

Award Recognition:

  • SuperLawyers 2008-2017
  • Avenue Magazine's Legal Elite: 2012
  • Fortune's Magazine Top Ranked IP Attorneys: 2012
  • Martindale-Hubbell AV Preeminent Rating



900 Third Avenue
New York, NY 10022

P: 212-508-6739
F: 212-202-6491
E: [email protected]