About Leslie Mark
Leslie Mark Greenbaum is a attorney with Gross Shuman P.C., located in Buffalo, New York. Since 1974, he has dedicated his legal career to the field of intellectual property, specializing in patents and trademarks. His experience allows him to navigate complex legal fields, ensuring that clients receive informed and effective representation. Greenbaum is admitted to practice in all State and Federal courts in New York, as well as the United States Supreme Court, showcasing his broad legal expertise. In 1973, Greenbaum earned his Juris Doctor (J.D.) from the University at Buffalo Law School, a prestigious institution known for its rigorous legal education.
Prior to that, he obtained his Bachelor of Arts (B.A.) from the State University of New York at Oneonta in 1968. This solid educational foundation gave him the analytical skills necessary to excel in his practice. Over the years, he is known for his understanding of intellectual property law, making him a sought-after advisor in this specialized area. Active in professional organizations, Greenbaum is a member of both the New York State Bar Association and the Erie County Bar Association. His leadership within the Erie County Bar Association is notable; he served as the past chair of the Intellectual Property Committee, where he contributed to the development of best practices and resources for fellow attorneys.
His commitment to the legal community is recognized—he has been recognized by Super Lawyers, an honor that highlights his accomplishments and peer recognition in the field. In addition to his legal practice, Greenbaum is an engaging speaker and educator. He has lectured on various topics related to intellectual property, including "The Right of Publicity: Not Just for the Living Anymore" and "Intellectual Property Considerations in Estate Planning and Estate Administration." These presentations reflect his dedication to sharing knowledge and fostering understanding of complex legal issues among both professionals and the public. Beyond his professional endeavors, Greenbaum is committed to community service. Since 2016, he has served on the board of the Jewish Community Center of Buffalo, where he actively participates in initiatives that support local residents and promote cultural enrichment.
In 2021, he was inducted into the Buffalo Music Hall of Fame, recognizing his contributions not only to the legal field but also to the cultural landscape of Buffalo. Greenbaum's multifaceted career exemplifies a blend of legal expertise, community involvement, and a focus on intellectual property law.
