About
David R. O’Steen is a Florida intellectual property lawyer and Of Counsel at Assouline & Berlowe, P.A., who advises clients on technology, media, and complex commercial matters. His practice includes patent and trademark prosecution, intellectual property licensing, enforcement, arbitration, and related transactions. He negotiates SaaS agreements, vendor contracts, joint ventures, artwork consignment agreements, terms of use, and other technology agreements. His experience spans startups, multinational companies, artists, cultural institutions, inventors, and research organizations.
David earned a B.S. in Engineering and a B.A. in Philosophy from Swarthmore College. He later received an M.S. in Electrical and Computer Engineering from the University of Florida. He earned his J.D. from Georgetown University Law Center. His technical and legal education supports work involving patents, software, emerging technologies, licensing, and complex intellectual property transactions.
David previously worked at international law firms in Manhattan and Miami, handling mergers and acquisitions, IP transactions, patent and trademark prosecution, arbitration, and UDRP proceedings. He gained further experience in federal patent litigation and International Trade Commission investigations. Before law school, he worked as a patent broker, IP consultant, and patent examiner for the United States Patent and Trademark Office. His work includes significant technology-focused legal matters.
David R. O’Steen continues to advise businesses, creators, and technology companies on intellectual property and commercial matters. He has served as in-house counsel for companies operating in payments, blockchain, virtual reality, and hospitality. He serves as co-chair of the Miami-Dade Bar Association’s Intellectual Property Committee and has taught as an adjunct professor at FIU Law. He is admitted in Florida, New York, and before the USPTO.
Law Office Affiliations
- Of Counsel, Assouline & Berlowe, P.A.
- Member, The Florida Bar, Executive Council of the International Law Section
- Co-Chair, Miami Dade Bar Association, Intellectual Property Committee
- Board Member, Miami Finance Forum (2024-2025)
- Member, New York State Bar Association
Licensed State
- Florida
- New York
Education
- Georgetown University Law Center
Juris Doctor (JD) - University of Florida
MS in Electrical & Computer Engineering - Swarthmore College
BS in Engineering - Swarthmore College
BA in Philosophy
Awards & Badges
- Copyright
- Patent
- Trade Secrets
- Trademark








