About
Steven A. Abreu is a highly respected intellectual property attorney and Partner at Sunstein, where he serves as Chair of the Trademark and Copyright Practice. With decades of experience in trademark clearance, registration, enforcement, and licensing, Steve provides strategic legal counsel to a diverse client base, including higher education institutions, consumer product companies, pharmaceutical manufacturers, and biotechnology firms.
Steve earned his Juris Doctor from the Moritz College of Law at The Ohio State University, where he graduated with honors as a member of the Order of the Coif. He also holds a Bachelor of Arts degree from the University of Illinois. Admitted to practice in Massachusetts and Ohio, Steve has built a distinguished career with a deep understanding of trademark law and a commitment to client success.
Steve has filed and prosecuted hundreds of trademark applications with the U.S. Patent and Trademark Office, helping clients secure and protect their intellectual property assets. His expertise includes representing clients before the Trademark Trial and Appeal Board, federal courts, and international trademark opposition proceedings in Europe, Australia, and Asia. He also assists foreign trademark applicants in registering Madrid-based U.S. trademark applications, ensuring seamless navigation of global intellectual property systems.
Beyond litigation and prosecution, Steve focuses on trademark and copyright licensing, helping clients strategically leverage their intellectual property for cross-market branding and promotional opportunities. He partners with small businesses and startups to build comprehensive IP strategies that protect their brands, drive long-term growth, and fuel innovation.
Steve’s leadership in the field is reflected in his numerous accolades, including recognition in The Best Lawyers in America for Trademark Law (2019–2025) and being named the 2023 Best Lawyers Trademark Law “Lawyer of the Year” in Boston. He has also been featured on the World Trademark Review WTR 1000 Silver List for his excellence in enforcement, litigation, prosecution, and strategy.
Through his pragmatic approach and client-focused solutions, Steven A. Abreu helps businesses safeguard their creativity, ensuring they effectively achieve their intellectual property and business objectives.
Law Office Affiliations
- Partner, Sunstein LLP
- President , United States Tchoukball Association
- Member, Boston Patent Law Association
- Member, International Trademark Association
- Member, Boston Bar Association
Licensed State
- Massachusetts
Education
- Moritz College of Law, The Ohio State University
Juris Doctor (JD) - University of Illinois
Bachelor of Arts (BA)
Awards & Badges


- Copyright
- Patent
- Trademark
- Litigation




