Contact Us 646-898-2030

Mark Peroff

Mark I. Peroff
Partner, New York Office

[email protected]

Main: 646.898.2030
Direct: 646-898-2033

Mark Peroff is a seasoned intellectual property attorney who has over 25 years of experience helping clients protect their intellectual property in the United States and virtually all countries throughout the world.

Mark's positions at the USPTO, industry, and private practice enable him to develop and implement effective strategies to facilitate accomplishing client's goals of procurement, monetizing, enforcement, and defending IP rights. Mark's clients span the globe, as well as the spectrum of for-profit and not-for- profit enterprises. Having filed over 7,000 US trademark applications and been responsible for the procurement of countless foreign applications, as well as representing clients in trademark and copyright litigation in federal courts throughout the US, business transactions, his peers are correct when they say "Mark is the go-to person" regardless of the nature of the problem. He gets the job done with energy and enthusiasm.

Bar Admissions

  • State of New York
  • State of New Jersey

Court Admissions

  • U.S. District Court, Southern District of New York
  • U.S. District Court, Eastern District of New York
  • U.S. District Court, New Jersey
  • U.S. Court of Appeals for the Federal Circuit


  • B.A. History – University of Cincinnati
  • Juris Doctor – University of Cincinnati

Professional Associations

  • Association for the City of New York
  • Asociación Interamericana de la Propiedad Intelectual (ASIPI)
  • European Community Trademark Association (ECTA)
  • International Trademark Association (INTA)
  • Pharmaceutical Trademark Group (PTMG)
  • New Jersey State Bar Association (NJSBA)


  • They offer top level service

    I am responsible for overseeing the registration and protection of the world famous Rubik's Cube and Rubik's Brand intellectual property throughout the world. As such, I deal with over 30 legal companies in numerous jurisdictions. I have personally worked with Mark Peroff for several years and mo...
  • personable, honest, fair

    I have been working with Mark for over 20 years on all our trademark needs both domestically and internationally. He is personable, honest, fair, responsive, and has tremendous integrity alongside a remarkable breadth of knowledge and experience.
  • We are forever grateful

    We are forever grateful to the Peroff Saunders legal team for making their valuable knowledge and experience in the field of trademark protection available to our organization.I know we are in good hands.
  • high energy and experience

    I take great pleasure in recommending the lawyers at Peroff Saunders who have been our intellectual property counsel for many years. Their high energy and experience always seems to provide creative and smart legal advice that addresses our legal needs and budget.

    I was truly fortunate to have Mark Peroff's representation for my trademark filing. His complex trademark issues became especially handy when as opposition was filed by another company who challenged my registration. Mr. Peroff's strategic and knowledgeable approach to our negotiations ensured th...

Contact Us Today

Peroff Saunders, P.C. is committed to answering your questions about intellectual property law issues in New York and Chicago.

We offer a free consultation and we’ll gladly discuss your case with you at your convenience. Contact us today to schedule an appointment.

New York Office
745 Fifth Ave, Suite 500
New York, NY 10151
Chicago Office
600 Gregg Road
Northbrook, IL 60062
1 more location