News & Insights
National Disability Employment Awareness Month
Transgender Women in Law Mixer
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 Once Again Wins the Managing IP Award for U.S. Trademark Prosecution Firm of the Year
On My Mind Blog
Case Studies
We succesfully represented our client, Major League Baseball Partners, Inc.
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
What They Say
“Welcomed back to the firm in January 2025, Louis Ederer brings over four decades of experience representing some of the most iconic global brands. ‘Louis has a tenacity for serving his clients. He is fierce but fair and knows the relevant law inside and out.’”
2026 WTR 1000 – The World’s Leading Trademark Professionals“Deborah [Squier’s] advice is always excellent, with a sharp eye on the client’s needs and creative solutions.”
2026 WTR 1000 – The World’s Leading Trademark Professionals“‘Simply the best’, Cowan Liebowitz & Latman’s trademark practice is defined by collaboration, depth, and agility. Clients turn to the team not just for its legal acumen, but for its unique culture of shared expertise which ensures robust IP support. When litigation is necessary, clients have access to some of the brightest minds in the field.”
2026 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"Cowan, Liebowitz & Latman offers top-notch service at fair rates."
Chambers USA 2025
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.










