With over 1,000 lawyers practicing in 16 offices worldwide, we offer deep industry experience and an integrated approach that spans more than 40 practice areas.

Joined January 2013
Wishing a relaxing and enjoyable Labor Day to our U.S.-based attorneys and professional staff. Your hard work and dedication is truly appreciated! #LaborDay
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Arnold & Porter was recognized as a “Leading Firm” in Chambers Latin America 2025 in three practice areas. Six lawyers were recognized as “Leading Individuals”. Join us in congratulating our attorneys! Read more about this recognition ➡️ bit.ly/4dBLB6W
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We’re proud to announce that the 2025 edition of Best Lawyers in America recognized 91 Arnold & Porter lawyers as “Best Lawyers” across 40+ practice areas. Additionally, 83 of our lawyers were named to the "Ones to Watch" list, and three were named "Lawyers of the Year."
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We’re thrilled to share that Chambers High Net Worth 2024 recognized the firm's private wealth law capabilities, ranking Cara Koss and Thomas Richardson. Congrats to Thomas and Cara! Read more➡️ bit.ly/4f1qJqC @ChambersGuides
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In honor of the Fourth of July, wishing all those who are celebrating a safe and relaxing Independence Day! Our U.S. offices are closed today in observance of the holiday. #IndependenceDay
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Congratulations to partner Judge Joseph Greenaway, Jr., for receiving The Roger M. Yancey Award from the @gsba_nj during its 49th Annual Scholarship Gala! This is his second time being honored with this award. Read more ➡️ bit.ly/3RVOVRj
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We are thrilled to have our summer associates with us at Arnold & Porter! Their enthusiasm, fresh perspectives, and hard work are making a significant impact across our teams. We are looking forward to more great moments together this summer! #ArnoldPorter #SummerAssociates
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Today, we pause to remember the U.S. service members who made the ultimate sacrifice in service to their nation. Their selflessness, dedication, and courage will never be forgotten. #MemorialDay
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Arnold & Porter’s international #competition work was highlighted in the @thelegal500 EMEA. Learn more about our inclusion in the 2024 guide here ➡ bit.ly/4cM3PTd #Legal500 #Antitrust #Europe
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John Bellinger, co-chair of the firm's Global Law and Public Policy group, discusses the UN Law of the Sea Convention with @60Minutes ⬇️
John Bellinger says the U.S. has the most to lose by not ratifying the Law of the Sea treaty, which allows countries to mine minerals from the deep sea. He says there is broad support including U.S. Intelligence, businesses, and environmental groups.
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The 2024 edition of the #ChambersEurope guide highlighted Arnold & Porter as a “Leading Firm” in five practices and recognized ten lawyers as “Leading Individuals.” For the full list of ranked practice areas and lawyers, click here ➡️ bit.ly/3TfLgxO
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The #ChambersGlobal 2024 guide highlighted Arnold & Porter as a “Leading Firm” in 31 practice areas and ranked 35 lawyers as “Leading Individuals.” For the full list of ranked practice areas and lawyers, click here ➡️ bit.ly/49i28KV @ChambersGuide
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11 Arnold & Porter attorneys across 7 practices were recognized in #WTR1000 2024. The annual research directory compiles "the top #trademark professionals in key jurisdictions around the globe." Learn more about our inclusion ➡️ bit.ly/4bxBsHI @WTR_Alerts
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Happy Lunar New Year from Arnold and Porter! Wishing you and your loved ones prosperity, joy, and good fortune in the Year of the Dragon. May this new lunar cycle bring success and fulfillment to all your endeavors. #LunarNewYear #YearOfTheDragon
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Congrats to partner Maria Chedid on her appointment as President of the inaugural Court of Arbitration at @ArbitrateAD — the 1st time a woman will serve as the president of an arbitral court in the #MiddleEast. Learn more ➡️ bit.ly/4bkl39l #arbitration #womeninlaw
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Congratulations to our Appellate & Supreme Court and Intellectual Property practices for being recognized in the 2023 edition of Law360’s “Practice Groups of the Year.” Read more about these recognitions ➡ bit.ly/3S3DiHa
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We’re delighted to announce that #environmental justice attorney Stacey Sublett Halliday, a former Special Counsel in the OGC at the @EPA, has joined the firm’s Environmental practice as a partner, resident in the firm’s D.C. office. Learn more ➡️ bit.ly/496fAkL
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The 2024 Chambers Greater China Region guide highlighted Arnold & Porter as a "Leading Firm" in #LifeSciences + recognized 3 attorneys as "Leading Individuals.” Learn more about our inclusion here ➡️ bit.ly/4aZZMS9 @ChambersGuides #Arbitration #CorporateInvestigations
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Congrats to partner Deborah Curtis, former Deputy General Counsel for Litigation and Investigations at the CIA, on receiving the Presidential Rank Award for her years of #civilservice w/ the federal government. Learn more about her recognition here ➡️ bit.ly/4b1lIfE
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Please join us in welcoming Daniel Lisk to Arnold & Porter’s Real Estate practice as counsel in the New York office. Read about his experience here ➡️ bit.ly/48UkKjx #realestate #finance #commercialrealestate
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