Thomas M. "Tom" Williams

4.6 (40 reviews )

Chicago Illinois United States

Advertising Law Trade Secrets Law

Recognized in Best Attorney USA since 2018

About Thomas

Thomas M. 'Tom' Williams: Experienced Intellectual Property Litigator in Chicago, Illinois

Tom Williams is an internationally recognized partner at Barack Ferrazzano's Intellectual Property Group, with a practice spanning trademark infringement, false advertising litigation, and trade secrets disputes.

Practice Areas

Advertising Law
Trade Secrets Law

Tom has represented some of the world’s most famous brands in federal courts and before the USPTO Trademark Trial and Appeal Board (TTAB). His successful representation includes:

Lanham Act matters, including survey design and damages calculations.
Multiple TTAB oppositions and cancellation actions through final decisions on the merits.

Tom's comprehensive practice also encompasses:

Education & Credentials

Bachelor of Science in Industrial Engineering from University of Wisconsin–Madison (2010)
J.D., Order of the Coif, from University of Illinois at Urbana–Champaign (2013)

Tom has been recognized by Best Attorney USA for his work in advertising law and trade secrets law. He was also awarded Lawyer of the Year: Advertising Law in Chicago (2024) and Recognized: Trade Secrets Law.

Firms

Barack Ferrazzano, where he currently holds a partner position in their Intellectual Property Group.

Tom is affiliated with the International Trademark Association (INTA), and has been recognized multiple times as one of the World's Leading Trademark Professionals by World Trademark Review 1000. He serves on INTA's The Trademark Reporter, where he frequently writes about trademark law and unfair competition.

Tom's firm, Barack Ferrazzano, is a premier intellectual property practice with offices in Chicago, Illinois. Tom has managed global portfolios for clients across multiple industries, including the automotive, pharmaceutical, and consumer goods sectors.

Awards

Lawyer of the Year: Advertising Law, Chicago (2024)
Recognized: Trade Secrets Law

Tom has been listed in Best Attorney USA since 2018 and maintains recognition within INTA. He is committed to staying up-to-date with the latest legal trends and practices, which he shares through his writing for the The Trademark Reporter.

Recognized Since

Tom has been recognized by Best Attorney USA since 2018.

Languages

English (native)

Practice Areas

Advertising Law

Trade Secrets Law

Education

University of Wisconsin–Madison

University of Illinois at Urbana–Champaign

Awards & Recognition

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Reviews

4.6 / 5

40 Reviews

1,058 Profile Views

Percy Blick

Jan 29, 2026

Top notch experts in Chicago - Thomas M. "Tom" Williams is by far the best lawyer I've ever had

Really glad I found Thomas M. "Tom" Williams for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how they handled the opposition. If yo...

Frankie Heller

Jan 29, 2026

If you're feeling lost with a Advertising Law issue in Illinois, call Thomas M. "Tom" Williams now

I was skeptical about hiring a lawyer for my Advertising Law issue in Chicago, but Thomas M. "Tom" Williams changed my mind completely. They were professional, responsive, and most importantly, they g...

Leigh Rau

Jan 29, 2026

Absolutely Great! I couldn't be happier with the service from Thomas M. "Tom" Williams

Thomas M. "Tom" Williams is fantastic and very professional. Don't hesitate to hire them if you're in Illinois and need help. They really know their stuff and will go the extra mile to make sure you'r...

Beatrice Stanton

Jan 29, 2026

Exactly what I needed after my legal issue in Chicago - Thomas M. "Tom" Williams was a lifesaver

After my incident in Chicago, I was bombarded with calls and paperwork I didn't understand. I reached out to Thomas M. "Tom" Williams for help with my Advertising Law claim and it was the best decisio...

Damon Walker

Jan 29, 2026

I was completely overwhelmed until I found Thomas M. "Tom" Williams for my Advertising Law case

I don't usually write reviews, but the help I got from Thomas M. "Tom" Williams during my Advertising Law case in Illinois deserves to be shared. It was a messy situation, and I was getting nowhere on...