Robinson Cole LLP
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Tonia A. Sayour, an intellectual property lawyer with more than two decades of experience, focuses on patents, trademarks, copyrights, and intellectual property litigation. She represents clients ranging from emerging businesses and start-ups to nationally known companies across a diverse range of industries, including technology and software, electronics, food and beverage, fashion and apparel, retail and e-commerce, consumer products, and mechanical devices.

Tonia is a registered patent attorney who has litigated more than 100 cases in jurisdictions throughout the United States for both plaintiffs and defendants. She leverages her experience in both prosecution and litigation across the full spectrum of intellectual property to develop strategic, business-focused solutions for protecting, defending and enforcing clients’ intellectual property assets.

Her experience encompasses domestic and international trademark clearance and prosecution, domestic and international utility and design patent prosecution, patentability searches, validity and clearance opinions, appeals and contested proceedings before the Trademark Trial and Appeal Board and Patent Trial and Appeal Board, as well as intellectual property litigation in federal courts around the country. 

Tonia also counsels clients on intellectual property licensing and commercialization, due diligence, settlement agreements, marketing and advertising initiatives, and other commercial matters involving intellectual property rights.

  • St. John's University School of Law (Juris Doctor)
  • Polytechnic University (now NYU Tandon School of Engineering) (Bachelors)
    • B.S., Computer Engineering

  • State of New York
  • State of New Jersey
  • U.S. Supreme Court
  • U.S. Court of Appeals, Federal Circuit
  • U.S. District Court, Southern District of New York
  • U.S. District Court, Eastern District of New York
  • U.S. District Court, Western District of New York
  • U.S. District Court, District of New Jersey
  • U.S. Patent and Trademark Office

  • Arabic

Named to World Trademark Review 1000 – The World's Leading Trademark Professionals from 2023 to 2025

Selected to the New York Super Lawyers list from 2020 to 2025

Selected as a Rising Star to the New York Super Lawyers list from 2012 to 2018

Named to Legal Media Group's (now World Trademark Review) Guide to the World's Leading Trademark Law Practitioners

New York Intellectual Property Lawyers Association

International Trademark Association

Syosset Business Advisory Board
Board Member