Duane Morris LLP

Mark Lerner is Chair of the Trademark, Copyright, Entertainment and Advertising Division of the firm's Intellectual Property Practice Group. He practices in the area of intellectual property law. Mr. Lerner counsels clients on all facets of trademark selection, protection, enforcement and portfolio management, including clearance searches, prosecution of applications, licensing, working with ecommerce and social media platforms, and protecting client’s rights. He regularly assists clients in transactions involving intellectual property, including licenses, sponsorship agreements, work-for-hire agreements, co-branding agreements, and sale and acquisition of IP.

Mr. Lerner has represented an array of clients from startups to multinational corporations in a wide range of industries, including, publishing, advertising, consumer products, fashion, gaming, financial and insurance services, education and food services, among others.

Mr. Lerner has guided clients through litigation matters involving claims of trademark, trade dress and copyright infringement, false advertising, unfair competition, defamation, and breach of contract. He practices in federal and state courts, before the Trademark Trial and Appeal Board in both ex parte and inter partes proceedings, and before WIPO and the NAF in domain name disputes under the UDRP.

In addition, Mr. Lerner has experience in pre-publication and pre-broadcast review, sweepstakes administration, as well as website policies. Mr. Lerner’s clients laud him for his practical advice that “focuses on commercial realities” and his ability to educate his clients on both basic and complex concepts related to trademarks and copyrights. He has been called a “true mentor when it comes to the world of trademarks.”

Duane Morris LLP - Partner, 2020-present Satterlee Stevens LLP - Partner, 1994-2020

International Trademark Association American Bar Association

New York University School of Law, J.D., cum laude