Spotlight
News & Insights
From Washington to San Francisco: CLL Attorneys Attend AIPLA Meetings- Patent Law Alert -- USPTO Requires Foreign‑Domiciled Patent Applicants and Patent Owners to Be Represented by Registered U.S. Patent Counsel
- The 2026 Edition is Available of A Trademark is Not a Copyright or a Patent by William M. Borchard with Deborah K. Squiers
- Cowan, Liebowitz & Latman Authors Amicus Brief in Landmark Copyright Case Before U.S. Supreme Court
Case Studies
The Second Circuit affirms summary judgment for our client.
Federal Circuit reverses cancellation of U.S. trademark registrations
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
We succesfully represented our client, Major League Baseball Partners, Inc.
We established that cigarette rolling paper size designations are generic.
What They Say
"Kieran G. Doyle is a well-known name in the intellectual property market who regularly advises leading brands on the full remit of trademark issues, and draws the praise of peers and clients for his 'high standard of service'."
2025 Lexology Index"Highly experienced prosecution team – focused on obtaining rights cautiously while clearly presenting what is obtainable and what is not."
2025 Legal 500"Cowan, Liebowitz & Latman is a highly respected boutique particularly proficient in handling copyright and trademark litigation, but also known for its high-quality advice on portfolio management. The firm exhibits expert knowledge of the publishing industry, and frequently handles IP matters relating to advertising."
Chambers USA 2025"Maria Scungio is a high calibre trademark lawyer with a firm grasp of international trademark concerns, receiving global praise for her work."
2025 Lexology Index"Mary L. Kevlin is a renowned intellectual property lawyer owing to her open-ended skill in handling the full remit of trademark matters, as well as serving as a leading academic in the field."
2025 Lexology Index
Why Us
Founded in 1957, we maintain long-term relationships by providing sound advice, quality legal work, and highly-responsive, personalized service.
What We Do
We represent clients of all sizes across a broad range of industries. The boutique size of our firm, and the breadth of our practice capabilities, allow us to provide a multidisciplinary approach in a cost-effective manner.
Our Clients
Our experience spans a broad range of industries and is international in scope. We appreciate the opportunity of growing with successful companies and brands, as well as creative individuals and accomplished executives.
