The 2026 Chambers Global guide has recognized Arnold & Porter as a leading law firm in 34 practice areas and ranked 42 lawyers. Using in-depth research conducted by Chambers researchers, the guide ranks the top lawyers and law firms in over 200 jurisdictions across the world.
Arnold & Porter was recognized by Chambers as an "impressive transatlantic firm" with "an excellent reputation for its specialist US teams" as well as its "global coverage" across the Asia-Pacific, Europe, and Latin America regions. The publication also commended the firm's "impressive industry experience," noting that Arnold & Porter's lawyers are "regularly tackling sophisticated, high value cases" for "a host of leading multi-national companies."
Arnold & Porter's ranked practice areas in Chambers Global 2026 include:
- Antitrust: Cartel – USA
- Arbitration (International) – Global Market Leaders; Latin America - International Counsel
- Banking & Finance (International Firms) – Brazil
- Banking & Finance: Mainly Regulatory – USA
- Bankruptcy/Restructuring: Highly Regarded – USA
- Capital Markets – Latin America - International Counsel
- Capital Markets: Securitisation: ABS – USA
- Competition/Antitrust – Global: Multi-Jurisdictional; USA
- Competition/Antitrust (International & Cross-Border) – USA
- Competition: EU – Belgium
- Corporate Crime & Investigations – Latin America - International Counsel; USA
- Corporate Investigations/Anti-Corruption – Global: Multi-Jurisdictional
- Disputes (International & Cross-Border) – USA
- Dispute Resolution: International Firms – South Korea
- Intellectual Property: Patent – USA
- Intellectual Property: Trademark, Copyright & Trade Secrets – USA
- International Arbitration (Foreign Expertise) – USA
- International Arbitration: Investor-State Arbitration – UK
- International Arbitration: The Elite – USA
- International Trade/WTO – Asia-Pacific Region; Global Market Leaders
- International Trade: Export Controls & Economic Sanctions: The Elite – USA
- International Trade: Trade Remedies & Trade Policy – USA
- Investigations & Enforcement (International & Cross-Border) – USA
- Life Sciences – Europe-wide; Global: Multi-Jurisdictional
- Life Sciences & Pharmaceutical Sector (International & Cross-Border) – UK; USA
- Life Sciences: Regulatory/Compliance – USA
- Privacy & Data Security: Highly Regarded – USA
- Public International Law – Global Market Leaders
Arnold & Porter's ranked lawyers in Chambers Global 2026 include:
- Reeves Anderson: Public International Law – Global Market Leaders
- Marcus Asner: Corporate Crime & Investigations – Latin America, International Counsel
- John Barker: International Trade: Export Controls & Economic Sanctions – USA
- John Bellinger: Public International Law – Global Market Leaders
- Lawton Camp: Capital Markets: Securitization: ABS – USA
- Maria Chedid: International Arbitration: Counsel – USA
- Henry Clinton-Davis: Employment – United Kingdom
- E. Whitney Debevoise: Capital Markets – Latin America - International Counsel; Capital Markets: Debt & Equity – USA
- Paolo Di Rosa: Arbitration (International) – Global Market Leaders / Latin America - International Counsel; International Arbitration – USA; International Arbitration: Counsel – USA
- Niels Ersbøll: Competition: EU – Belgium
- Lynn Fischer Fox: International Trade: Trade Remedies & Trade Policy – USA
- David Freeman: Banking & Finance: Mainly Regulatory – USA
- Andre Geverola: Antitrust: Cartel – USA
- Patricio Grané Labat: Arbitration (International) – Latin America - International Counsel; International Arbitration – United Kingdom
- Axel Gutermuth: Competition: EU – Belgium; Competition: EU (Foreign Expertise) – Belgium; Competition/European Law: Lawyers Based Abroad – Germany
- Jeffrey Handwerker: Life Sciences: Regulatory/Compliance – USA
- Gregory Harrington: Banking & Finance – Latin America - International Counsel / USA; Capital Markets – Latin America - International Counsel
- Amber Hay: Banking & Finance: Mainly Regulatory – USA
- Mélida Hodgson: Arbitration (International) – Latin America - International Counsel; International Arbitration: Arbitrators – USA; International Arbitration: Counsel – USA
- Jun Hee Kim: Dispute Resolution: International Firms – South Korea
- Daniel Kracov: Life Sciences: Regulatory/Compliance – USA
- James Lee: Dispute Resolution: International Firms – South Korea
- Ronald Lee: Privacy & Data Security: Cybersecurity – USA; Privacy & Data Security: Privacy – USA
- Paul Llewellyn: Intellectual Property: Trademark, Copyright & Trade Secrets – USA
- Charlotte Mallorie: Commercial and Corporate Litigation – United Kingdom
- Jonathan Martel: Climate Change – Global Market Leaders
- Álvaro Nistal: International Arbitration – United Kingdom
- J. David Park: International Trade – South Korea; International Trade/WTO – Asia-Pacific Region; International Trade: Trade Remedies & Trade Policy – USA
- Nancy Perkins: Privacy & Data Security: Privacy – USA
- Christopher Petersen: Capital Markets: Debt & Equity: Eastern United States – USA
- David Reed: International Arbitration – United Kingdom
- Sandra Rizzo: Energy: Electricity (Regulatory & Litigation) – USA
- Beatriz San Martín: Intellectual Property – United Kingdom
- John Schmidt: Competition Law – United Kingdom
- John Tan: Corporate Investigations/Anti-Corruption (International Firms) – China
- Eva Temkin: Life Sciences: Regulatory/Compliance – USA
- Jami Mills Vibbert: Privacy & Data Security: Healthcare – USA
- Anton Ware: Dispute Resolution: Arbitration (International Firms) – China
- Bart Wasiak: International Arbitration – United Kingdom
- Jane Wessel: Competition Law: Private Enforcement: Claimant – United Kingdom
- Christopher Willott: Banking & Finance (International Firms) – Brazil
- Matthew Wolf: Intellectual Property: Patent – USA; Life Sciences: IP/Patent Litigation – USA