About
With over 25 years of experience, David Fleischer is a seasoned commercial litigator known for his strategic, client-centered approach to resolving complex disputes. His practice spans a broad spectrum of industries and encompasses high-stakes matters in federal and state courts, as well as arbitration and mediation forums nationwide.
David earned his J.D. from New York University School of Law and holds a B.S. in Economics from the University of Pennsylvania. His analytical rigor and keen attention to detail consistently earn him client loyalty and industry recognition.
David is particularly renowned for his work in media and intellectual property litigation. He has notably represented Marvel Entertainment in a series of prominent cases, including defense against copyright termination claims by the heirs of Jack Kirby, involving iconic characters such as The Incredible Hulk and The Fantastic Four.
David also secured the dismissal of a $750 million lawsuit brought by former associates of Stan Lee, who claimed rights to characters like Spider-Man and Iron Man. His success in these high-profile disputes underscores his in-depth knowledge of licensing, intellectual property rights, sports law, and executive employment issues.
In addition to entertainment law, David has extensive experience in real estate and financial litigation. He has represented institutional lenders, private equity firms, and title insurance companies in matters ranging from foreclosure actions and inter-creditor disputes to class actions and fraud claims. His representation of a major insurance carrier in litigation over fraudulent conveyances resulted in two key opinions by the Second Circuit, affirming his client’s standing despite exculpatory clauses.
David Fleischer’s ability to uncover overlooked nuances in each case gives him a tactical edge, often reshaping the litigation trajectory in favor of his clients. This insight, combined with a disciplined, analytical mindset, has earned him lasting trust and recognition throughout his career.
Law Office Affiliations
- Senior Counsel, Haynes Boone
- Member, New York State Bar Association
Licensed State
- New York
Education
- New York University School of Law
Juris Doctor (JD) - University of Pennsylvania
BA in Economics
Awards & Badges

- Class action
- Commercial real estate
- Copyright application
- Copyright infringement
- Entertainment
- Litigation
- Residential real estate