Dayrel S. Sewell

Dayrel S. Sewell, Esq., is a highly respected litigation and intellectual property attorney known for his strong advocacy and proven results in New York. Recognized by national and local organizations, he has earned honors such as Super Lawyers NYC Metro, National Black Lawyers Top 100, and Litigation Lawyer of the Year – USA. His work at the Law Firm Of Dayrel Sewell, PLLC, spans complex disputes, intellectual property protection, business matters, and real estate litigation, making him a leading choice for clients across New York City, Brooklyn, and Manhattan.

Mr. Sewell earned his J.D. from Benjamin N. Cardozo School of Law, where he also contributed to the Cardozo Journal of Law & Gender. He holds an M.P.H. from Columbia University, where he conducted medical research and developed a strong foundation in scientific analysis. He completed his B.A. at The Johns Hopkins University, majoring in Natural Sciences and Public Health. These degrees support his detailed and analytical approach to legal issues.

Mr. Sewell has helped individuals, businesses, and organizations navigate high-stakes legal matters throughout his career. He has represented patent and trademark owners, copyright holders, startups, real estate clients, and corporate entities in both litigation and transactional matters. His work at a Top 100 U.S. law firm further strengthened his experience in state and federal courts. He also developed excellent skills in patent litigation, compliance, and regulatory issues through his legal fellowship at Bristol-Myers Squibb.

Dayrel S. Sewell has a commitment to justice that is reflected in his contributions to the Innocence Project, where his legal writing helped reopen wrongful convictions and contributed to an exoneration. He continues to support clients with careful preparation, strategic thinking, and strong courtroom advocacy. With extensive experience before federal courts, the USPTO, and regulatory agencies, Mr. Sewell offers trusted, high-level representation to clients seeking reliable legal guidance and protection.

Law Office Affiliations

• Managing Principal, Law Firm of Dayrel Sewell, PLLC
• Member, New York State Bar Association
• Member, District of Columbia Bar
• Member, New York State Academy of Trial Lawyers
• Member, Columbia University Alumni Association
• Member, Johns Hopkins University Law Affinity Committee

Licensed State

• New York
• District of Columbia

Education

• Benjamin N. Cardozo School of Law
  Juris Doctor (JD)
• Columbia University
  Master of Public Health (MPH)
• The Johns Hopkins University
  Bachelor of Arts (BA)

Awards & Badges