Cowan, Liebowitz & Latman
Firm overview:
Cowan Liebowitz & Latham offers high-quality advice on global trademark portfolios from its office in New York. The firm’s business is intellectual property and litigation, with expertise covering areas such as customs and regulatory compliance, and employment law. Cowan Liebowitz & Latham has a deep bench of trademark practitioners and is known for representing major brands.
The firm is recognised in the rankings for the merits of its non-contentious trademark work. Its trademark administration department manages more than 30,000 trademark records and works with a network of associates overseas to serve clients’ global requirements.
The team also supports clients in licensing negotiations, conducting IP audits and due diligence investigations, and handles the full scope of contentious brand-related issues that can arise. Recent matters include representing Twenty-Six Designs, manufacturer of the popular BOGG beach bags, in a trademark and trade dress infringement complaint against several retailers.
Team overview:
Chair of the firm Kieran Doyle is a renowned trademark and copyright litigator, who builds robust trademark portfolios for clients and handles complex disputes. Doyle’s clients have included Major League Baseball Properties, Vogue International and Iconix Brand Group, and his notable representations include acting for various shoe manufacturers sued by Converse for trade dress infringement.
Deborah Squiers is head of the trademark group, counselling clients in the financial, entertainment, sports, beverage, food and restaurant industries, among others. Some of her career highlights include handling global trademark work for S&P Global, and worldwide contested trademark proceedings for Sony Pictures / Columbia Pictures.
The firm boosted its trademark team in January 2025 with the return of luxury brands expert Louis Ederer, who rejoined Cowan Liebowitz & Latman after nearly two decades at Arnold & Porter. Ederer, an experienced trial lawyer, previously spent two periods at the firm between 1978 and 1998.
