About Leslie Mark

Leslie Mark Greenbaum is an attorney with Gross Shuman P.C., positioned in Buffalo, New York. Since 1974, he has dedicated his professional legal career to the field of intellectual property, that specialize in patents and logos. His experience allows him to navigate complex legal fields, ensuring that clients receive informed and powerful representation. Greenbaum is admitted to practice in all State and Federal courts in New York, in addition to the United States Supreme Court, showcasing his wide legal expertise. In 1973, Greenbaum earned his law degree (J.D.) from the University at Buffalo Law School, a prestigious organization recognized for its rigorous law school training.

Prior to that, he obtained his Bachelor of Arts (B.A.) from the State University of New York at Oneonta in 1968. This solid instructional basis gave him the analytical abilities important to excel in his practice. Over the years, he's known for his understanding of highbrow property law, making him a sought-after advisor in this specialised area. Active in expert organizations, Greenbaum is a member of both the New York State Bar Association and the Erie County Bar Association. His management within the Erie County Bar Association is notable; he served because the past chair of the Intellectual Property Committee, where he contributed to the development of best practices and assets for fellow attorneys.

His commitment to the legal network is acknowledged—he has been recognized by top-rated attorneys list, an honor that highlights his accomplishments and peer recognition within the area. In addition to his legal practice, Greenbaum is an interesting speaker and educator. He has lectured on various topics related to intellectual estate, which includes "The Right of Publicity: Not Just for the Living Anymore" and "Intellectual Property Considerations in Estate Planning and Estate Administration." These presentations mirror his dedication to sharing knowledge and fostering understanding of complex legal issues among each mavens and the general public. Beyond his professional endeavors, Greenbaum is committed to public service work. Since 2016, he has served on the board of the Jewish Community Center of Buffalo, the place 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 now not only to the legal field however additionally to the cultural panorama of Buffalo. Greenbaum's multifaceted profession exemplifies a mix of legal know-how, network involvement, and a focus on intellectual real estate law.

Education

SUNY Buffalo Law School

J.D. (1973)

1973

State University of New York - College at Oneonta

1968

Languages

English (Spoken, Written)

Accepted Jurisdictions

New York

Court Admissions

U.S. District Court for the Western District of New York U.S. District Court · Admitted 1974
New York State Supreme Court State Supreme Court · Admitted 1974
U.S. Supreme Court U.S. Supreme Court · Admitted 1988

Types of Cases Handled

Intellectual Property Patents Trademarks

Legal Services Scope

Litigation

Office Locations

Main Office

 465 Main Street Suite 600 Buffalo NY 14203