控訴・上告審

Jenner & Block ranked among the top three firms in Law360's annual scorecard of which firms argued most frequently before the US Supreme Court during the 2025–26 term.

Jenner & Block's appellate lawyers review the most consequential cases from the 2025–2026 Supreme Court term. This session covers high-profile decisions and pending matters addressing presidential power, agency independence, birthright citizenship, voting rights, and other significant constitutional and federal law questions before the Court.

Jenner & Block Partner Adam Unikowsky has secured a landmark victory at the Supreme Court of the United States in Chatrie v. United States, with the Court holding by a 6-3 vote that accessing a person’s location data in the cloud is a “search” under the Fourth Amendment, requiring law enforcement to obtain a warrant satisfying the Constitution’s probable cause and particularity requirements. The Court remanded the case to the US Court of Appeals for the Fourth Circuit to determine whether the sp

In any enforcement action, one of the SEC's most powerful remedies is disgorgement—the ability to force a defendant to repay the ill-gotten gain from an alleged securities law violation. During the Biden administration, the SEC assessed in excess of $2 billion in disgorgement per year, reaching a record $6.1 billion in 2024.

Chambers USA 2026 has recognized Jenner & Block’s Chicago office as a hub of legal excellence, with 35 individual lawyers ranked across 24 practice areas.

The Chambers USA 2026 guide has recognized Jenner & Block as a leading firm in 40 practice areas, with practice rankings in 17 national and 23 state categories, and 86 lawyers individually recommended across practice areas at the national and state level. Ranked firms and individuals demonstrate qualities most valued by clients, including technical legal ability, professional conduct, client service, commercial astuteness, diligence, and commitment.

On April 27, Partner Adam Unikowsky will argue before the Supreme Court of the United States in Chatrie v. United States. The matter centers on how the Fourth Amendment applies to geofence warrants—law enforcement tools that compel technology companies to produce location data for all users within a defined geographic area during a specified time period.

Jenner & Block Partner Adam Unikowsky and Associate Jonathan (Yoni) J. Marshall secured an 8-1 victory at the Supreme Court in Rico v. United States, successfully arguing that courts cannot automatically extend a defendant's term of federal supervised release when she absconds from supervision.

After a year of significant upheaval for higher education institutions, additional changes are on the horizon in 2026. The most recent Unified Agenda, the One Big Beautiful Bill Act, and other developments mean additional changes for—as outlined below—civil rights enforcement, admissions, foreign gift reporting, accreditation, visa requirements and eligibility, grant funding, student loans, patent revenue, and student privacy. Understanding and anticipating these developments will help position

Jenner & Block announced the elevation of 10 lawyers to the partnership and advancement of five lawyers to special counsel, effective January 1, 2026. 

Partner Adam Unikowsky was recognized among Law360’s 2025 Appellate MVPs for his US Supreme Court victory in February on behalf of unemployment claimants, a decisive Second Circuit panel majority win for Uber and Postmates in a proposed antitrust class action, and a key victory at the First Circuit in a challenge to a Rhode Island toll on tractor trailers.

Partner Ian Gershengorn has been named The National Law Journal’s 2025 DC Attorney of the Year. The honor recognizes a Washington, DC-based attorney who has made significant contributions to the profession and in the law beyond client service within the past year.

On November 5, Associate Erica Turret represented the National Health Law Program (NHeLP) in oral argument before the DC Circuit, challenging Indiana's restrictions on Medicaid coverage.

The Department of Justice has quietly created a new power center that will expand its ability to pursue investigations and bring politically charged lawsuits against both corporations and state actors. For companies navigating federal scrutiny across multiple regulatory fronts—from consumer protection to immigration—this shift could reshape how enforcement risk manifests in 2026 and beyond. Below, we discuss what this shift means—and how your organization should be preparing in anticipation of a

Partner Adam Unikowsky will argue before the Supreme Court of the United States on November 3 for Rico v. United States, a matter in which the Supreme Court will consider whether the fugitive-tolling doctrine also applies when a defendant is not in prison but is instead on supervised release.

Partners Ashley Callen and Annie Kastanek spoke on a panel at the 2025 Garrett Institute conference hosted by Northwestern Pritzker School of Law on October 9.

Jenner & Block represented client Shoalwater Bay Tribe in a significant victory for Tribal sovereignty, in which the United States Supreme Court denied certiorari in RunItOneTime LLC v. United States, bringing a conclusive end to a challenge threatening tribal gaming compacts across Washington state.

Jenner & Block preserved a significant victory for the family of Quinn Lucas Schansman when the US Supreme Court denied certiorari, allowing a Second Circuit decision to stand holding foreign state-owned entities accountable under the Anti-Terrorism Act for supporting terrorism.

Jenner & Block, in partnership with non-profit public defender organization Appellate Advocates, secured a victory on appeal for a pro bono client after he was wrongfully convicted based on his rap lyrics.