Jenner & Block

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353 N. Clark Street
Chicago, IL 60654-3456, United States
Phone: (312) 222-9350
Fax: (312) 527-0484
Areas Of Practice
  • Antitrust & Trade Regulation
  • Appellate Practice
  • Art, Entertainment, & Sports Law
  • Bankruptcy
  • Business Organizations
  • Civil Rights
  • Class Action
  • Commercial Law & Contracts
  • Communications & Media Law
  • Constitutional Law
  • Education
  • Elections & Politics
  • Energy & Utilities
  • Environmental Law
  • Finance & Banking
  • Government
  • Health
  • Indigenous Peoples
  • Insurance
  • Intellectual Property
  • International Law & Trade
  • Labor & Employment Law
  • Litigation
  • Mergers & Acquisitions
  • Privacy
  • Products Liability
  • Professional Malpractice
  • Real Estate
  • Science, Computers, & Tech
  • Securities Law
  • Taxation
  • Transportation
  • Wills, Trusts, & Estate Planning
See more
Locations
Other U.S. Locations
  • California
  • D.C.
  • Illinois
  • New York
Other Countries
  • United Kingdom
Number of Attorneys
400+ Attorneys

Recent OSHA Activity Provides Additional Mitigation Opportunities to Employers

Recent actions by the Occupational Safety and Health Administration may provide employers additional opportunities for penalty and enforcement relief. On July 14, 2025, the U.S. Department of Labor updated OSHA penalty… more
 /  Administrative Law, Labor & Employment Law

Client Alert: Trump Administration Releases AI Action Plan and Three Executive Orders: Key Implications for Business Strategy

On July 23, 2025, the Trump administration debuted its long-awaited AI Action Plan (the Plan), identifying a range of policies to be implemented across the federal government to “usher in a new golden age of human flourishing,… more
 /  Administrative Law, Commercial Law & Contracts, International Law & Trade, Science, Computers, & Technology, Government Contracting

Client Alert: US Supreme Court Opens the Door to More Flexible Personal Jurisdiction Test for Foreign Defendants

The longstanding view of most courts of appeals has been that federal and state courts are bound by the same constitutional standards for the exercise of personal jurisdiction, each requiring the plaintiff to show that the… more
 /  Civil Procedure, Constitutional Law, International Law & Trade

A Secured Reversal of Preliminary Injunction in High-Stakes Pharmaceutical Battle

In a significant victory for pharmaceutical competition and access to generic drugs, Jenner & Block secured a key litigation win on behalf of client MSN Pharmaceuticals. A federal judge denied a pharmaceutical company’s request… more
 /  Civil Procedure, Health, Intellectual Property, Science, Computers, & Technology

Jenner & Block Japan Newsletter - July 2025

Welcome to the July 2025 edition of the Jenner & Block Japan Newsletter, a publication containing updates about legal developments in the United States that may be noteworthy to our clients and other leaders in the Japanese… more
 /  Alternative Dispute Resolution (ADR), Business Organizations, Civil Procedure, Intellectual Property, Mergers & Acquisitions

Tenth Circuit Affirms Summary Judgment on Trade Secret Claims in Double Eagle v. Hooper

The Tenth Circuit recently upheld an Oklahoma District Court’s summary judgment ruling in favor of a trade secret defendant based on insufficient specificity as to the trade secrets at issue, as well as a lack of proper secrecy… more
 /  Business Torts, Civil Procedure, Intellectual Property

Two Federal Circuit Decisions Nullify Nine-Figure Damages Awards

In two June 2025 decisions, the Federal Circuit Court of Appeals rejected patent infringement jury verdicts for $218.5 million and $300 million—one reversed for claiming patent ineligible subject matter, and the other vacated… more
 /  Civil Procedure, Intellectual Property

European Commission Decision at Odds with International Arbitration Practice

Many readers will be familiar with the Spanish renewables saga which centers on changes made by Spain to a renewable energy support scheme in 2007, which led to over 50 investment treaty arbitrations, including a number brought… more
 /  Alternative Dispute Resolution (ADR), Antitrust & Trade Regulation, International Law & Trade

US Supreme Court Rejects Heightened Standard for International Arbitration Award

On June 5, 2025, the US Supreme Court held, in a unanimous decision, that civil litigants in US courts seeking to enforce an arbitration award against foreign nations or instrumentalities do not need to meet a higher standard… more
 /  Alternative Dispute Resolution (ADR), Civil Procedure, International Law & Trade

Delaware Court Upholds Contractual Freedom in Dismissal of CityMD Merger Challenge

In a landmark decision with far-reaching implications for private equity-backed ventures and minority investors in Delaware limited liability companies, the Delaware Court of Chancery dismissed a lawsuit brought by former… more
 /  Business Organizations, Civil Procedure, Commercial Law & Contracts, Mergers & Acquisitions

Delaware Court Refuses to Enforce or Modify Overbroad Noncompete in Cleveland Integrity Services v. Byers

In Cleveland Integrity Services, LLC v. Byers (Del. Ch. Feb. 28, 2025), the Delaware Court of Chancery declined to enforce a two-year non-compete agreement that it found to be geographically overbroad and refused to narrow or… more
 /  Commercial Law & Contracts, Labor & Employment Law, Mergers & Acquisitions

New Rules for Data Flows Take Effect: What You Need to Know

On April 8, 2025, the US Department of Justice’s National Security Division’s final rule regulating sensitive data about US persons came into effect. DOJ also announced a 90-day grace period on enforcement. At a moment of… more
 /  International Law & Trade, Privacy, Science, Computers, & Technology

Amicus Brief Filed on Behalf of Leading Economists Urging Federal Circuit to Block Tariffs Imposed Under IEEPA

Jenner & Block filed an amicus brief before the US Court of Appeals for the Federal Circuit on behalf of a distinguished group of economists in V.O.S. Selections, Inc. v. Trump. The brief supports plaintiffs challenging… more
 /  Administrative Law, Constitutional Law, International Law & Trade

Two Years After Abitron: Navigating the Limits of US Trademark Enforcement Abroad

Two years after the US Supreme Court’s decision in Abitron Austria GmbH v. Hetronic International, Inc., US trademark owners and global businesses continue to grapple with its implications for cross-border enforcement. The… more
 /  Conflict of Laws, Intellectual Property, International Law & Trade

Client Alert: Florida’s New Employer-Friendly Noncompete Law Signals That It’s Open for Business

While many states recently have enacted laws making it harder for employers to enforce noncompetes, Florida is bucking the trend by enacting some of the strongest noncompete protections in the country. The newly enacted Florida… more
 /  Commercial Law & Contracts, Conflict of Laws, Labor & Employment Law
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