Law360 names Mayer Brown a 2025 “Illinois Powerhouse”

CHICAGO – Mayer Brown has once again been named one of Law360’s 2025 Regional Powerhouses in Illinois. The annual series “reflects not only the work of exemplary firms, but also emerging legal trends in each state.”

Mayer Brown was selected for its significant legal achievements over the past year, including repurposing Chicago's landmark James R. Thompson Center through a sale to Google, representing TikTok Inc. on multiple matters and garnering a win in an ERISA lawsuit that could have wide-reaching effects for employers.

Joanna Horsnail, the managing partner of Mayer Brown’s Chicago office stated, "Our people have always been very civically minded and civically engaged, investing in the city of Chicago and the state of Illinois to make it a world-class place for us all to work and live."

Mayer Brown’s Chicago office, founded in 1881, is the firm’s original location and one of its largest worldwide. With deep roots in the community and a prominent place in Chicago’s history, the office is widely recognized for its strengths in finance, corporate, and litigation work, and has advised on many of the city’s most significant transactions and developments, including the leasing of the Chicago Skyway and major expansions of O’Hare and Midway airports. 

Read Mayer Brown’s profile here. 

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