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tamar duvdevani

Tamar Y. Duvdevani

US Chair, Trademark, Copyright and Media
Tamar is phenomenal and is one of very few people I'd want in my corner in a tough fight.
Chambers USA

Tamar Duvdevani is a Chambers ranked trademark, copyright and right-of-publicity litigator for marquee entertainment, consumer products and apparel companies. Chair of the firm's Trademark Copyright & Media practice, Tamar handles seminal cases for her clients and, as noted in the 2024 World Trademark Review 1000 rankings, is an "established" name "in the arena of high-stakes trademark litigation."

Tamar is an experienced trial attorney and strategist who focuses her practice on disputes involving trademarks and trade dress, copyrights, right of publicity, false advertising, and digital media issues, as well as other commercial litigation matters such as complex contract/licensing disputes and arbitrations.

She has successfully argued her cases before the Second Circuit and district courts throughout the country, achieving multiple victories at trial and on preliminary injunction motions. In addition, Tamar works with global companies on strategic rebranding initiatives and trademark, copyright and right of publicity licensing issues.

Following law school, Tamar clerked in the United States District Court for the Southern District of New York for Magistrate Judge Andrew J. Peck. She serves on the S.D.N.Y. / E.D.N.Y. Rules Committee and the Intellectual Property committee of the Federal Bar Council. In addition to Chambers, Tamar has been ranked for the last six years in the World Trademark Review, and the past two years in The Legal 500, and was highlighted in the 2020 inaugural edition of New York's top 20 Power Lawyers by The Hollywood Reporter. Tamar was named a 2021 Law360 MVP in Intellectual Property.

Bar admissionsNew York
CourtsUnited States District Court for the Southern District of New YorkUnited States Court of Appeals for the Second CircuitUnited States Court of Appeals for the Fourth CircuitUnited States Court of Appeals for the Ninth CircuitUnited States District Court for the Eastern District of New YorkUnited States District Court for the Western District of New YorkUnited States District Court for the District of Colorado


Representative Cases

  • NTAA v. Nordstrom et al (C.D. Cal.) – Obtained dismissal with prejudice against trademark plaintiff as a terminating sanction after establishing discovery misconduct in the form of massive spoliation of evidence
  • Jones v. Nike (S.D. Tex.) – Obtained summary judgment victory against plaintiff by proving that plaintiff's use of asserted "Ballin" trademark was insufficient to establish trademark rights
  • Nike, Inc. v. StockX LLC (SDNY) – representing Nike in trademark infringement and dilution claims against StockX over sales of unauthorized Nike-branded NFTs
  • Dr. Seuss Enterprises v. ComicMix LLC et al (9th Circuit) – obtained precedential reversal for Dr. Seuss Enterprises in copyright appeal relating to infringement of iconic Seuss works, including Oh The Places You'll Go, followed by consent judgment and permanent injunction on remand
  • GOLO LLC v. Goli Nutrition Inc. (D. Del.) – represented Goli Nutrition in trademark infringement and false advertising litigation; obtained win in defeating a preliminary injunction motion followed by a jury trial with a verdict for Goli in under 30 minutes
  • Kawhi Leonard v. NIKE, Inc. (D. Oregon) – represented NIKE in copyright litigation relating to ownership and infringement of "Claw" design used by NIKE during endorsement deal with the NBA MVP. Obtained judgment on the pleadings confirming NIKE as the owner of the design and dismissing Leonard's complaint
  • AVELA et al v. Estate of Marilyn Monroe (S.D.N.Y.) – representing the Estate of Marilyn Monroe in trademark infringement and false endorsement litigation brought as a declaratory judgment by licensing entity
  • Tigercat Int'l v. Caterpillar Inc. (TTAB) - representing Tigercat in TTAB opposition relating to TIGERCAT mark
  • Night Owl SP, LLC v. Dongguan Auhua Electronics Co., LTD, et al., (M.D.Fla) – representing plaintiff Night Owl in trademark and counterfeiting dispute Successfully obtained preliminary injunction against defendant, including an order cancelling defendant's fraudulently obtained trademark registration
  • Protect-A-Car Wash Sys v. Car Wash Partners (D. MD.) – Obtained summary judgment for defendant, the largest national car wash chain, in trademark and unfair competition claims relating to MISTER CAR WASH mark
  • Noosa Yogurt v. Hain Celestial (D. Col.) – represented Hain Celestial in trade dress infringement action relating to yogurt packaging
  • St. Jude Medical v. Volcano Corp. (D. Del.) – represented St. Jude in series of patent litigations relating to diagnostic cardiovascular guide wire technology
  • Ernest Evans et al v. Home Depot et al (S.D. Fl.) – represented Home Depot in trademark infringement and right of publicity lawsuit litigation relating to alleged infringement of Ernest Evans' (aka Chubby Checker) name
  • Spinelli et al v. Associated Press et al. (S.D.N.Y.) – represented AP in copyright litigation and related claims against group of sports photographers alleging unlawful use of NFL-related photographs
  • Echo Design Group v. Arcadia Group Ltd. (S.D.N.Y.) – represented defendant Arcadia Group (TopShop) in patent litigation relating to touchscreen glove technology
  • God, Gold & Moore v. Nike (S.D.N.Y.) – represented Nike in trademark infringement litigation relating to graphic design used on defendant’s graphic tee
  • Cameron Industries, Inc. v. Mothers Work, Inc. (S.D.N.Y.) - represented the defendant apparel company in copyright litigation concerning fabric patterns and successfully obtained summary judgment dismissing the action, which was subsequently affirmed by the Second Circuit
  • Superpoints v. Rakuten Inc. (N.D. Cal.) – represented Rakuten in trademark and unfair competition litigation over use of RAKUTEN SUPER POINTS
  • J.D., Fordham University School of Law 2002
    Associate Editor, Fordham Intellectual Property, Media and Entertainment Law Journal
  • B.A., Cornell University 1996


Chambers USA

  • Band 4, New York Intellectual Property: Trademark, Copyright & Trade Secrets (2023 – 2024)
The Legal 500 United States
  • Recommended, Trademarks: Non-Contentious (including Prosecution, Portfolio Management and Licensing) (2024)
  • Recommended, Trademarks: Litigation (2018, 2022 – 2024)
  • Recommended, Copyright (2023 – 2024)
Additional Recognitions
  • Named to the National Law Journal’s list of Sports/Gaming/Entertainment Law Trailblazers (2022)
  • Named a BTI Client Service All-Star (2022)
  • Named a Law360 MVP, Intellectual Property (2021)
  • Tamar has been ranked in the World Trademark Review WTR 1000 each year from 2019 to 2024. The 2024 edition ranked Tamar as a "recommended expert," in enforcement and litigation.
  • Recognized by The Hollywood Reporter as a NYC top 20 Power Lawyer (2020)



  • Copyright Protection of Useful Articles, AIPLA, 27 October 2016

Media Mentions

Prior Experience

Before joining her former firm in the fall of 2005, Tamar was a law clerk to the Honorable Andrew J. Peck, Chief Magistrate Judge, Southern District of New York.

Memberships And Affiliations

  • Federal Bar Council
  • Copyright Society of the U.S.A.
  • Federal Circuit Bar Association 
  • SDNY/EDNY Joint Committee on Local Rules
  • SDNY/EDNY sub-Committee on Local Patent Rules
  • INTA