Atty. John C. Kocoras
John C. Kocoras is a partner in McDermott Will & Emery LLP’s White Collar & Securities Defense practice group and is based in the Firm’s Chicago office.
Profile Summary
About John C. Kocoras at a glance
John C. Kocoras is a business and litigation attorney based in Chicago, Illinois, practicing at Skadden, Arps, Slate, Meagher & Flom LLP. Educated at Loyola University Chicago (J.D., 1997). Recognitions include Best Lawyers in America — Commercial Litigation (2026). Serands clients in Chicago, IL and the surrounding metropolitan area.
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About
- John C. Kocoras is a partner in McDermott Will & Emery LLP’s White Collar & Securities Defense practice group and is based in the Firm’s Chicago office
- John focuses his practice on internal investigations, white-collar criminal defense matters including Foreign Corrupt Practices Act (FCPA) cases and complex litigation
- Prior to joining McDermott Will & Emery, John served as Managing Director and Regional Counsel of the global investigations company Kroll, where he directly supervised investigators, forensic accountants and computer forensics professionals on FCPA matters and other international investigations
- He joined Kroll after serving as an Assistant United States Attorney in the Northern District of Illinois, where he represented the United States in federal criminal matters throughout investigations, trials and appeals, including cases involving white collar crimes, public corruption, terrorism and other violent crimes
- John has worked as investigative counsel for the U.S
- House of Representatives Judiciary Committee and as a law clerk to former Chief Judge James C. Cacheris of the U.S
- District Court for the Eastern District of Virginia
- John has received numerous awards for his work including the Investigation of the Year Award, National Health Care Anti-Fraud Association
- the Award for Excellence, President’s Council for Integrity & Efficiency
- and the Inspector General’s Integrity Award, U.S
- Department of Health & Human Services
- John was recognized as a leading lawyer by The Best Lawyers in America 2013 and 2014, and he is listed in Chambers USA 2013 and 2014
- He has been named one of Chicago Lawyer’s “40 Under Forty Illinois Attorneys to Watch” and as a Rising Star on Ethisphere Magazine lists of “Attorneys Who Matter,” a publication dedicated to sharing best practices in Ethics and Compliance
- John was also ranked as a leading data protection and privacy lawyer by The Legal 500 United States 2011
Practice Areas Explained
John C. Kocoras's Areas of Practice
Each practice area below reflects the types of cases John C. Kocoras handles, with a brief overview of what that area of law covers.
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John C. Kocoras is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John C. Kocoras is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Illinois →
Jurisdictional Context
Why local counsel matters in Illinois
Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.
Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.
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