About
John S. Devlin, III is a partner at Ballard Spahr LLP and co-leads the firm’s Arbitration Practice Group. He is a seasoned trial lawyer with experience in more than 30 bench and jury trials in state and federal courts. His practice includes commercial litigation, international arbitration, class actions, appellate matters, financial services disputes, white-collar defense, and media & entertainment law. He further handles complex disputes involving heavily regulated industries.
Devlin earned his J.D., cum laude, from Tulane University School of Law, where he served as Managing Editor of the Tulane Law Review. He earned his B.S. from the U.S. Military Academy at West Point. His academic background and military training provided a strong foundation for his later work in complex litigation and international dispute resolution.
Devlin has represented clients in arbitrations governed by UNCITRAL rules, the International Centre for Dispute Resolution, and the London Court of International Arbitration. His international matters have involved French, German, British, Brazilian, and Canadian entities. He further represents employers in complex employment litigation and lenders in disputes involving real property and government seizure proceedings. His work includes matters involving RICO, consumer protection, lending, securities, and financial regulations.
John S. Devlin, III is admitted to practice in Washington and before the U.S. District Courts for the Eastern and Western Districts of Washington. He is further admitted before the U.S. Court of Appeals for the Ninth Circuit. He has received recognition from Chambers USA, The Best Lawyers in America, Washington Super Lawyers, and Martindale-Hubbell. His career combines extensive trial experience with international arbitration, commercial litigation, and appellate advocacy.
Law Office Affiliations
- Partner, Ballard Spahr LLP
- Member, Washington State Bar Association
- Vice Chair, American Bar Association, International Arbitration Committee
Licensed State
- Washington
Education
- Tulane University School of Law
Juris Doctor (JD) - U.S. Military Academy at West Point
Bachelor of Science (BS)
Awards & Badges



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- Media & Advertising
- Professional Liability
- Securities Litigation
- White Collar Crime
- Employment Litigation
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