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Sidley Austin LLP traces its genesis in the United States to the firm’s founding office in Chicago, which opened in 1866. Early prominent clients included first lady Mary Todd Lincoln, then the widow of President Abraham Lincoln, the Pullman Company, the manufacturer of specialty sleeping railway cars and Western Union Telegraph Company. The firm began expanding beyond its Chicago roots in the mid 1940s, and today has offices in financial and regulatory centers across the globe. In addition to Chicago, our U.S. offices now include Boston, Dallas, Houston, Los Angeles, New York, Palo Alto, San Francisco, and Washington, D.C.

The firm provides premier legal services to all types of companies in all stages of development—from fledgling start-ups to Fortune 500 corporations. We represent U.S. clients from a multitude of industries, financial institutions and the government.

Sidley’s leadership on behalf of clients hasn't gone unnoticed. Repeating its performance in 2011, Sidley was named “USA Law Firm of the Year 2012” in the Who’s Who Legal awards. Sidley was also chosen as law firm of the year in both Capital Markets/Securities and Commercial Litigation in the 2013 U.S.NewsBest Lawyers “Best Law Firms” survey and “Bankruptcy Team of the Year” in the 2012 edition of Chambers USA.

Beyond its deep reserve of talent, Sidley’s ingrained culture of teamwork is evident in its interactions with clients. BTI, a Boston-based research and consulting firm, has named Sidley as one of only three firms to have been in the top 10 of the BTI Client Service rankings every year since the inception of those rankings in 2001, and was number one in three of those years.

Sidley has also been widely recognized for its pro bono and diversity programs, recently winning the “Most Innovative Gender Diversity Initiative Award” at the first Chambers USA Women in Law Awards in 2012. In 2011, lawyers and staff devoted more than 90,000 hours to pro bono projects and played a vital role in the lives of individuals and organizations, including through death penalty appeals, political asylum matters and civil rights litigation.