Plaintiff Class Action Attorneys | Shareholder, Antitrust & Consumer Protection Lawyers

Focused on Clients

Committed to Results

Kessler Topaz is one of the largest firms in the world dedicated to prosecuting complex litigation on a contingent basis. We are routinely at the forefront of global efforts to hold powerful corporations accountable. Representing more than 400 institutional investors worldwide with assets exceeding $8 trillion, we partner with some of the most influential stakeholders in securities and shareholder litigation.

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30+

Years of experience

500+

Successful cases

$20B+

In client recoveries

KTMC Recognized as a Band 1 Firm in Chambers USA 2026

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KTMC Named 2026 Class Action Litigation Firm of the Year

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…It is a pleasure to work with the folks at Kessler Topaz – it is rare to find such personable attorneys who also possess the knowledge and expertise to represent us in such a complex field…”

- George Farrell, Trustee City of Sunrise Firefighters' Retirement Fund

“It was a hard-fought case, and I think that the legal work on this case has just been absolutely spectacular, and I want to brag on all of you for the work that you put into it…

- The Honorable Kimberly E. West, United States Magistrate Judge, United States District Court for the Eastern District of Oklahoma