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Sisun Law - New York, NY

135 Madison AvenueFloor 5 New York, NY 10016

Updated: 12/14/2021

New York Trademark Law Firm


Sisun Law is a full-service intellectual property law firm led by a former USPTO Trademark Attorney Examiner. Sisun Law represents clients of all shapes and sizes in connection with their trademark, copyright, and patent matters from start to finish. Some of Sisun Law's representative clients include start-ups, well-established and multinational corporations, professional athletes and celebrities, medium-sized companies, and entrepreneurial individuals.

About Sisun Law

Practice Areas

  • Trademark
  • Copyright
  • Patent
  • Intellectual Property

Pro Bono Activities

  • Mentor with C5 Accelerate, quarterly seminars on trademark law for start-ups



Office Information


135 Madison AvenueFloor 5 New York, NY 10016

Video & Photo




  • World Trademark Review 1000 list of Leading Trademark Professionals, “prosecution and strategy,” 2016 to Present
  • Moot Court Honor Society, Yeshiva University Benjamin N. Cardozo School of Law



  • Co-author of Loss of Trademark Rights a Practice Note published by Practical Law
  • Entertainment and Sports Lawyer, an ABA publication, “Revisiting Federal and State Trademark Registration for the Cannabis Industry,” 2018
  • Entertainment and Sports Lawyer, an ABA publication, “The Ball Is in Your Court: An Update on Trademarks (and Copyright) in Sports,” 2017

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135 Madison AvenueFloor 5 New York, NY 10016

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