Arnold & Porter
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Leading firm in Global 2026
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Contributions and articles
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- Global Practice Guides
Overview
Provided by Arnold & Porter
Co-Chairs: Michael D Daneker, Ellen Kaye Fleishhacker
Number of lawyers: Over 1,000 across 11 domestic and five international offices
Firm Overview: With over 1,000 lawyers across 16 offices worldwide, Arnold & Porter is renowned for its sophisticated regulatory, litigation, and transactional capabilities across multiple industries, including over half of the Fortune 100. Drawing on its deep experience and insider perspectives from both the government and the private sector, Arnold & Porter provides practical, forward-looking solutions to its clients’ most sophisticated U.S., international, and cross-border needs. Its firmwide interdisciplinary collaboration is integral to its understanding of the legal and policy frameworks in which complex business and legal issues arise.
Ranked Offices
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USA - Head office
District of Columbia
601 Massachusetts Avenue, NW , Washington, DC, District of Columbia, USA, 20001-3743, Washington, DC
Belgium
Brussels Capital Region
1, Rue du Marquis, Markiesstraat, 1, Brussels, Brussels Capital Region, Belgium, B-1000, Brussels
China
Shanghai
Suites 3806-3811, CITIC Square 1168 Nanjing Xi Rd , Shanghai, Shanghai, China, 200041, Shanghai
South Korea
Seoul
Seoul Finance Center, Floor 21, 136 Sejong-Daero, Jung-Gu, Seoul, Seoul, South Korea, 04520, Seoul
UK
Greater London
Tower 42, 25 Old Broad Street , London, Greater London, UK, EC2N 1HQ, London
USA
Illinois
70 West Madison Street, Suite 4200, Chicago, Illinois, USA, IL 60602-4231, Chicago
Colorado
1144 Fifteenth Street Suite 3100 , Denver, Colorado, USA, CO 80202-2848, Denver
New York
250 West 55th Street , New York, New York, USA, NY 10019-9710, New York
California
4 Embarcadero Center, 14th Floor , San Francisco, California, USA, 94111, San Francisco
Ranked Departments
Ranked Individuals
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