Chicago

Tracing its origins back to 1866, Sidley’s Chicago office has grown with the city for more than 145 years and remains one of its most established and respected law firms. Chicago is the firm’s largest office with more than 520 lawyers who work on a broad range of litigation, transactional and regulatory matters.

Sidley’s Chicago office is the principal tenant of One South Dearborn, Illinois’s first LEED-CS (Leadership in Energy and Environmental Design Core and Shell Development) Silver Certified Green Building. The building is situated in the heart of Chicago’s “Loop” business district, nestled among some of the first modern skyscrapers and only blocks from the Chicago River, Millennium Park and shores of beautiful Lake Michigan.

Litigation lawyers based in Chicago have extensive trial and appellate experience in myriad areas of the law, from antitrust, securities, white collar and employment to intellectual property, product liability and complex commercial cases. Several members of the Chicago office litigation team are Fellows of the prestigious American College of Trial Lawyers.

The Chicago office also is home to a powerhouse team of corporate lawyers who advise clients on some of the largest mergers, acquisitions, joint ventures, commercial and structured financings, initial public offerings, and real estate transactions on the national and international stage.

Many of the legal disciplines practiced in the Chicago office transcend the boundary between litigation and counseling, including antitrust/competition, bankruptcy/corporate reorganization, healthcare regulatory, intellectual property, environmental and insurance. Chicago office lawyers also provide services in employee benefits, immigration, trusts and estates, not-for-profit and tax.

Over the years, Sidley’s Chicago office has committed substantial resources to the community and a variety of pro bono activities. In addition to our lawyers’ extensive work on death penalty and asylum cases, the firm has been involved with Kanoon Elementary as part of an educational partnership with Chicago Public Schools. We also were principal outside counsel to the Chicago 2016 Exploratory Committee, the not-for-profit entity established to represent the City of Chicago in its bid to host the 2016 Summer Olympic Games.  

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