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Mary L. Grieco

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  • Mary has been selected by her peers for inclusion in The Best Lawyers in America in the field of Copyright Law for 2023
  • Mary was consistently named to the New York Super Lawyers list, a Thomson Reuters lawyer rating service, since 2013.
  • Awarded Deal of the Year and Activist Campaign of the Year by The Deal for representation of George Feldenkreis in his nomination of directors and successful unsolicited acquisition of Perry Ellis.


J.D., Loyola Law School, 1987

B.A., University of California, Irvine, 1984

Bar & Court Admissions

  • New York
  • California
  • District of Columbia
  • U.S. Supreme Court
  • U.S. Court of Appeals for the Federal Circuit

As an intellectual property attorney at Olshan, Mary L. Grieco focuses on assisting clients with the development, management and protection of their brands.

Mary works with her clients in all facets of brand development and protection. She manages domestic and international trademark portfolios, both large and small, and counsels clients with regard to their copyright and design matters, which includes securing protection for trademarks, copyrights and designs throughout the world.  Her clients span a wide range of industries, including fashion, cosmetics, entertainment, financial services, technology, food, restaurant, and general consumer goods.

She prepares and negotiates all types of agreements relating to intellectual property and brand management, including licenses, distribution agreement, manufacturing agreements, and IP assignment agreements. Mary also works closely with other departments at Olshan, advising on matters involving employment law, advertising, real estate, and other such matters as they pertain to intellectual property.

Mary has broad experience counseling clients in the use of the Internet and social media to help build their brands, and advises clients on the pitfalls of Internet-based advertising, website content, and other Internet-related issues. She also helps clients prepare privacy policies and terms of use for websites and mobile applications, and provides guidance as to the current state of the laws regarding the same. Certified as an Information Privacy Professional for Europe (CIPP/E) by the International Association of Privacy Professionals, Mary has broad experience advising clients on compliance with consumer privacy laws and related issues.

Mary handles trademark opposition and cancellation proceedings throughout the world, and her strong litigation background helps her to bring unique experience to such matters. She represents both the sellers and purchasers of intellectual property rights, and conducts intellectual property due diligence in matters involving everything from one trademark to multi-million dollar deals.  

In her years of practice, Mary has published articles and spoken on many topics, including brand development and intellectual property, the use of intellectual property in social media marketing.

Professional & Community Affiliations

International Trademark Association

Fashion Group International

International Association of Privacy Professionals (Member)

  • Handled complex intellectual property due diligence for Steel Partners Holdings L.P. in a $600 million revolving credit agreement
  • Worked with Rent the Runway Foundation with regard to its intellectual property matters when setting up the Foundation
  • Negotiated major licensing arrangement between Resorts Casino Hotel and Jimmy Buffett regarding the Margaritaville Hotel in Atlantic City
  • Negotiated agreement on behalf of Columbus Turnstyle LLC for the digital advertising at the TurnStyle underground marketplace in the 59th Street Columbus Circle concourse in New York City
  • Worked on the intellectual property and licensing aspects of a multi-faceted deal between Mergent Inc. and Nasdaq OMX Group Inc.
  • Developed and managed successful trademark licensing program for high-profile, iconic musical group

Media Mentions/News


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