Overview
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Rankings
Arnold & Porter is nationally ranked in 34 practice areas and metro ranked in 41 practice areas. Best Law Firms rankings are based on a rigorous evaluation process.
Read how Best Law Firms ranks firms"Law Firm of the Year" Awards
2025 "Law Firm of the Year" in Environmental Law
National Rankings
Tier 1
Tier 1 for Antitrust Law
Tier 1 for Appellate Practice
Tier 1 for Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law
Tier 1 for Biotechnology and Life Sciences Practice
Tier 1 for Commercial Litigation
Metro Rankings
Boston
Tier 2 for Criminal Defense: White-Collar
Tier 3 for Commercial Litigation
Chicago
Tier 1 for Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law
Tier 1 for Environmental Law
Tier 1 for Litigation - Bankruptcy
Rankings
"Law Firm of the Year" Awards
2025 "Law Firm of the Year" in Environmental Law
National Rankings
Tier 1
Tier 1 for Antitrust Law
Tier 1 for Appellate Practice
Tier 1 for Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law
Tier 1 for Biotechnology and Life Sciences Practice
Tier 1 for Commercial Litigation
Tier 1 for Copyright Law
Tier 1 for Corporate Law
Tier 1 for Criminal Defense: White-Collar
Tier 1 for Environmental Law
Tier 1 for FDA Law
Tier 1 for Information Technology Law
Tier 1 for International Arbitration - Commercial
Tier 1 for Leveraged Buyouts and Private Equity Law
Tier 1 for Litigation - Antitrust
Tier 1 for Litigation - Bankruptcy
Tier 1 for Litigation - Environmental
Tier 1 for Litigation - Intellectual Property
Tier 1 for Litigation - Patent
Tier 1 for Mass Tort Litigation / Class Actions - Defendants
Tier 1 for Real Estate Law
Tier 1 for Securities / Capital Markets Law
Tier 1 for Tax Law
Tier 2
Tier 2 for International Arbitration - Governmental
Tier 2 for International Trade and Finance Law
Tier 2 for Litigation - Labor and Employment
Tier 2 for Mergers and Acquisitions Law
Tier 2 for Securitization and Structured Finance Law
Tier 2 for Trademark Law
Tier 3
Tier 3 for Banking and Finance Law
Tier 3 for Health Care Law
Tier 3 for Media Law
Tier 3 for Private Funds / Hedge Funds Law
Tier 3 for Trusts and Estates
Tier 3 for Venture Capital Law
Regional Rankings
Boston
Tier 2 for Criminal Defense: White-Collar
Tier 3 for Commercial Litigation
Chicago
Tier 1 for Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law
Tier 1 for Environmental Law
Tier 1 for Litigation - Bankruptcy
Tier 1 for Litigation - Intellectual Property
Tier 1 for Litigation - Patent
Tier 2 for Criminal Defense: White-Collar
Tier 2 for Real Estate Law
Colorado
Tier 1 for Commercial Litigation
Tier 1 for Corporate Law
Tier 1 for Leveraged Buyouts and Private Equity Law
Tier 1 for Litigation - Intellectual Property
Tier 1 for Mergers and Acquisitions Law
Tier 1 for Securities / Capital Markets Law
Tier 2 for Corporate Governance Law
Tier 3 for Venture Capital Law
Houston
Tier 2 for Commercial Litigation
Los Angeles
Tier 1 for Information Technology Law
Tier 1 for Product Liability Litigation - Defendants
Tier 2 for Litigation - Patent
Tier 3 for Health Care Law
New Jersey
Tier 1 for Appellate Practice
Tier 1 for Criminal Defense: White-Collar
New York City
Tier 1 for Antitrust Law
Tier 1 for Biotechnology and Life Sciences Practice
Tier 1 for Copyright Law
Tier 1 for Environmental Law
Tier 1 for International Arbitration - Commercial
Tier 1 for Leveraged Buyouts and Private Equity Law
Tier 1 for Litigation - Antitrust
Tier 1 for Litigation - Environmental
Tier 1 for Mass Tort Litigation / Class Actions - Defendants
Tier 1 for Product Liability Litigation - Defendants
Tier 1 for Real Estate Law
Tier 1 for Securitization and Structured Finance Law
Tier 2 for Corporate Law
Tier 2 for Criminal Defense: White-Collar
Tier 2 for Litigation - Intellectual Property
Tier 2 for Litigation - Labor and Employment
Tier 2 for Tax Law
Tier 2 for Trademark Law
Tier 3 for First Amendment Law
Tier 3 for Mergers and Acquisitions Law
Tier 3 for Private Funds / Hedge Funds Law
Tier 3 for Securities / Capital Markets Law
San Francisco
Tier 1 for Appellate Practice
Tier 1 for Commercial Litigation
Tier 1 for Corporate Governance Law
Tier 1 for Ethics and Professional Responsibility Law
Tier 1 for International Arbitration - Commercial
Tier 1 for Securities / Capital Markets Law
Tier 2 for Bet-the-Company Litigation
Tier 2 for Corporate Law
Tier 2 for Employment Law - Management
Tier 2 for Litigation - Intellectual Property
Tier 3 for Mergers and Acquisitions Law
Washington, D.C.
Tier 1 for Banking and Finance Law
Tier 1 for Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law
Tier 1 for Biotechnology and Life Sciences Practice
Tier 1 for Commercial Litigation
Tier 1 for Corporate Law
Tier 1 for Criminal Defense: White-Collar
Tier 1 for Environmental Law
Tier 1 for FDA Law
Tier 1 for Health Care Law
Tier 1 for International Arbitration - Commercial
Tier 1 for International Trade and Finance Law
Tier 1 for Leisure and Hospitality Law
Tier 1 for Litigation - Antitrust
Tier 1 for Litigation - Bankruptcy
Tier 1 for Litigation - Environmental
Tier 1 for Litigation - Intellectual Property
Tier 1 for Product Liability Litigation - Defendants
Tier 1 for Real Estate Law
Tier 1 for Tax Law
Tier 1 for Trusts and Estates
Tier 2 for Antitrust Law
Tier 2 for Appellate Practice
Tier 2 for International Arbitration - Governmental
Tier 2 for Media Law
Tier 2 for Mergers and Acquisitions Law
Are You Affliated With This Firm?
Create your profile to feature all of the most important information that existing and potential clients want to know about your firm.
Learn more about our marketing
opportunities