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Bryan Marra, Senior Attorney in the Antitrust practice group, was featured in the article “AI’s Expanding Role in Antitrust: How LLMs Are Changing Regulatory Reviews,” published by Lighthouse and JD Supra. 

The 2025 edition of The Legal 500 United States recognized 50 Arnold & Porter practice areas and 164 lawyers, including 24 lawyers who were distinguished as “Leading Partners,” 13 lawyers as “Next Generation Partners,” and two lawyers as “Rising Stars.” Six Arnold & Porter lawyers were also included in The Legal 500’s “Hall of Fame,” a recognition that is achieved when lawyers are “widely regarded as being at the very top of the profession” and “have been consistently ranked as leading individuals by The Legal 500 for a number of years.”

Amid the growing scrutiny of ultra-processed foods, or UPFs, this Advisory highlights major trends impacting the food industry — from evolving state and federal regulations to emerging litigation. The uptick in these trends demonstrates that companies need to develop strategies to account for federal, state, and litigation priorities.

Arnold & Porter announced today that patent litigators David Sheikh and Brian Haan have joined the firm’s Intellectual Property practice as counsel, resident in Chicago.

The 14th edition of the IAM Patent 1000 — The World’s Leading Patent Professionals recognized 15 Arnold & Porter lawyers over seven jurisdictions for their outstanding patent work across the United Kingdom, United States, and internationally. 

Commercial Litigation partner Rhonda Trotter was named to the Los Angeles Business Journal’s “Women of Influence: Attorneys” list. 

WASHINGTON, D.C., May 23, 2025 — Arnold & Porter is pleased to announce that former Attorney General and Chief Judge of the U.S. Court of Appeals for the D.C. Circuit, Merrick B. Garland, has returned to the firm as a partner in the Appellate & Supreme Court practice group, resident in Washington, D.C.

For a variety of reasons discussed in this Advisory, tariffs are unlikely to be a basis for allowing a contracting party to avoid contractual obligations. Read on to learn the steps that businesses can take now to mitigate the impact of tariffs and plan for future disputes related to pricing, operations, and supply chain, as well as to assist in current contracting efforts.

Arnold & Porter represented Motive, an AI-powered integrated operations platform, in a patent infringement lawsuit brought by Omnitracs before the U.S. District Court for the Northern District of California.

Arnold & Porter has advised Sterling Bancorp, Inc., the former holding company of Sterling Bank and Trust, F.S.B., in closing a previously announced sale of all issued and outstanding shares of capital stock of Sterling Bank and Trust to EverBank Financial Corp.