News & Insights
Cowan, Liebowitz & Latman is Hosting a CLE About Recent Copyright Developments for In-House Counsel
Cowan, Liebowitz & Latman Authors Amicus Brief in Landmark Copyright Case Before U.S. Supreme Court
Trademark Law Alert -- A Consent Agreement Walks the Plank
Patent Law Alert -- Proposed Changes to USPTO’s Inter Partes Review Process – Does It Start a New “Race to Judgment” on Patent Invalidity?
On My Mind Blog
Case Studies
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
Federal Circuit reverses cancellation of U.S. trademark registrations
We succesfully represented our client, Major League Baseball Partners, Inc.
The Second Circuit affirms summary judgment for our client.
We established that cigarette rolling paper size designations are generic.
What They Say
"The trade mark team at Cowan Liebowitz is fantastic to deal with - with heaps of experience and expertise, they know exactly how to deliver client-friendly advice."
2025 Legal 500"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"A fan favorite for both new and established businesses, Robert English recently assisted Noah Clothing, a fashion and lifestyle brand founded by the former head designer of Supreme, with protecting and enforcing its trademarks both domestically and internationally."
2025 WTR 1000 – The World’s Leading Trademark Professionals"Jonathan Z. King is widely held to be a 'knowledgeable, savvy and practical advocate', owing to over three decades of experience in shaping intellectual property law on landmark cases."
2025 Lexology Index"Deborah Squiers is a powerhouse in trademark law, combining deep expertise with strategic finesse to deliver exceptional results for major global brands."
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.










