News & Insights
- Recent Developments in Copyright Law
- Cowan, Liebowitz & Latman Wins Managing IP Awards for “U.S. Trademark Prosecution Firm of the Year” and “Copyright Firm of the Year Northeast”
- Fashion Industry Insight –Trademark Clearance for Related Goods and Services
- Cowan, Liebowitz & Latman’s Copyright Practice Receives Highest Ranking in 2025 Managing Intellectual Property IP STARS Guide
On My Mind Blog
Case Studies
The Second Circuit affirms summary judgment for our client.
Federal Circuit reverses cancellation of U.S. trademark registrations
We established that cigarette rolling paper size designations are generic.
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
We succesfully represented our client, Major League Baseball Partners, Inc.
What They Say
"Cowan Liebowitz's attorneys aren't just service providers – they're invaluable partners protecting our brand."
Chambers USA 2025"Jeffrey is a solid trademark practitioner with substantial experience at the USPTO. He understands his clients’ business needs and what is ultimately most important. He is a true talent."
2025 WTR 1000 – The World’s Leading Trademark Professionals"They work seamlessly as a team, manage projects with efficiency, and cultivate enduring relationships with their clients, who recognize and value their responsiveness, commitment, expertise, and professionalism."
2025 Legal 500"Siegartel is a trusted player in the scene and a prominent expert who provides swift resolutions."
2025 WTR 1000 – The World’s Leading Trademark Professionals"Louis Ederer commands a stellar reputation, with expertise refined over four decades in the field. He is highly recommended for his encyclopedic knowledge of trademark law and his practical, business-savvy advice."
2025 WTR 1000 – The World’s Leading Trademark Professionals
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.