Jenner & Block

Gabriel K. Gillett’s practice focuses on complex commercial litigation at both the appellate and trial levels.  He writes winning briefs in courts across the country—from the United States Supreme Court to state trial courts—and argues appeals.  He also develops and executes successful long-term legal strategies for clients facing multifaceted disputes with government actors and private parties.

Mr. Gillett is a member of the firm’s Appellate and Supreme Court Practice, as well as the Complex Commercial Litigation, Securities Litigation and Enforcement, and Media and First Amendment Practices.  He has experience in variety of issue areas, including constitutional law, securities law, administrative law, contract and business disputes, insurance, communications (including the Cable Act), technology and privacy (including the Stored Communications Act), antitrust, bankruptcy litigation and challenges to government action (including under NY CPLR Article 78). In addition, Mr. Gillett focuses on issues impacting restaurants, franchisors, and franchisees—including related to litigation, regulation, and investigations.  Recordings of Mr. Gillett’s oral arguments, copies of select briefs and decisions, and descriptions of recent experience are available here.

Mr. Gillett has an active pro bono practice.  He has secured appellate and trial-level victories in cases involving the First Amendment, the Fourth Amendment, immigration, the Public Trust Doctrine, and civil rights violations under 42 U.S.C. § 1983.  He has also frequently files amicus briefs on behalf of individuals and non-profit groups in cases of interest.  Active in various professional associations, Mr. Gillett serves as the chair of the Federal Civil Practice Committee of the Chicago Bar Association. He also serves as a member of the board and Secretary of the Wrightwood Neighbors Association and the Jonquil Park Advisory Council.

Earlier in his career, he served as a law clerk for judges on the US Court of Appeals for the Third Circuit and the US District Court for the Southern District of New York.  Mr. Gillett also worked in political communications, opposition research and served as Deputy Director of Rapid Response on John McCain’s 2008 presidential campaign.