News

The 2025 edition of the “Best Law Firms” report named Arnold & Porter as a “Law Firm of the Year” in Environmental Law. The firm also received 34 national rankings and 82 regional rankings (Boston, Chicago, D.C., Denver, Houston, Los Angeles, New Jersey, New York, and San Francisco). 

The 2025 edition of The Legal 500 United Kingdom recognized 15 Arnold & Porter practices for their standout contributions to their respective practices. 

The 2024 edition of “Best Law Firms” named Arnold & Porter as a “Law Firm of the Year” in the “Litigation - Environmental” and “International Arbitration - Commercial” practice areas. The firm also received 37 national rankings and 90 metropolitan rankings (Chicago, D.C., Denver, Houston, Los Angeles, New Jersey, New York, and San Francisco) in the “Best Law Firms” report, which is published annually by Best Lawyers.

The 2024 edition of The Legal 500 United Kingdom recognized 15 Arnold & Porter practices and 37 lawyers for their standout contributions to their respective practices.