Arnold & Porter LLP's pro bono achievements have been widely recognized with prestigious national and regional awards and with honors from leading public service organizations. This recognition includes:
- Law 360, chosen as one of Law 360's Pro Bono Firms of 2011
- The Washington Lawyers' Committee for Civil Rights and Urban Affairs, Outstanding Achievement Award
- Washington Legal Clinic for the Homeless Recognition
- Washington Council of Lawyers Lifetime Achievement Award
- DC Employment Justice Center, Pro Bono Attorney of the Year Award
- National Trust for Historic Preservation "John H. Chafee Trustees' Award for Outstanding Achievement in Public Policy"
- DC Appleseed Pro Bono Partner Award
- Colorado Criminal Bar Association Champion of Justice Award
- National Legal Aid & Defender Association Beacon of Justice Award
- Whitman- Walker Legal Services 2010 Going the Extra Mile Law Firm Award
- DC Employment Justice Center Decade of Service Award
- Legal Times, recognition of Lawrence Schneider as a "Champion" for his longstanding commitment to pro bono work
- Humane Society of the United States Animal Protection Litigation Awards
- Judicial Conference of the District of Columbia Circuit Standing Committee on Pro Bono Legal Services "40 at 50" Award, presented to law firms where 40% of the attorneys performed 50 or more hours of pro bono legal work during the calendar year
- National Parks Conservation Association, Pro Bono Award
- Pro Bono Institute, John Pickering Pro Bono Award
- GAYLAW, Distinguished Service Award
- Capital Area Immigrant Rights (CAIR) Coalition, Pro Bono Attorneys of the Year Award
- World Organization for Human Rights Pro Bono Service Award
- Environmental Advocates of New York, Advocate Award
- Colorado Hispanic Bar Association Outstanding New Hispanic Lawyer Award
- The Supreme Court of the State of Colorado Pro Bono Award
- Southern Christian Leadership Conference, Pro Bono Award
- The Colorado Bar Association, Pro Bono Paralegal of the Year Award
- Colorado Lawyers Committee, Law Firm of the Year
- Colorado Lawyers Committee Community Contribution Award
- Alameda County Bar Association and it's Volunteer Legal Services Corporation (VLSC) Recognition
- American Lawyer Lifetime Achievement Award to Brooksley Born
- District of Columbia Law Students in Court Program Lever Award
- American Bar Association Pro Bono Publico Award
- American Lawyer, Top Five Pro Bono Ranking
- Human Rights First, Honoree
- New York State Bar Association, Empire State Counsel Honoree
- Pro Bono Institute, 10th Anniversary Law Firm Pro Bono Challenge Award
- California Lawyer, Angel Award
- District of Columbia Bar Pro Bono Lawyer of the Year Award
- Los Angeles County Bar Association Honorable Benjamin Aranda Outstanding Public Service Award
- HIV/AIDS Legal Service Alliance Award
- Washington Legal Clinic for the Homeless Award
- Human Rights Campaign Ally of Justice Award
- Washington Council of Lawyers Law Firm Award
- Tahirih Justice Center Pro Bono Law Firm Award
- InMotion Commitment to Justice Award for Outstanding Associate