EMAIL:
PHONE:
Office Address:
1200 Peachtree Street, N.E
Suite 600
Atlanta, GA 30309
Georgia State University College of Law
(J.D., 2005)
Georgia Institute of Technology
(B.S., 1993)
Supreme Court of the United States
United States Court of Appeals for the Eleventh Circuit
United States District Court for the Northern District of Georgia
State of Georgia Supreme Court and Court of Appeals
Georgia
Atlanta Legal Aid Society, "First Annual Distinguished Pro Bono Service Award" (2010)
Listed in The Best Lawyers in America® for Environmental Law (2024–Present)
John Allen focuses on complex litigation and regulatory matters that impact states, local governments, and businesses. His unique background as both an environmental attorney and former engineer provides John with a technical foundation that proves invaluable when tackling multifaceted environmental challenges.
Since 2005, John has represented the State of Georgia as a Special Assistant Attorney General in the high-profile "Water Wars" – managing litigation, interstate negotiations, and regulatory matters in disputes with Alabama, Florida, and the U.S. Army Corps of Engineers concerning federal reservoirs and state water rights. This work has included equitable apportionment litigation before the U.S. Supreme Court.
John has successfully represented local governments in state court litigation with particular strength in expert witness preparation and e-discovery. His experience also includes advising clients before the Georgia Public Service Commission on supply contracts, rate case litigation, tariffs, and certification matters.
John’s engineering background in the textiles and plastics industries provides me with unique insight when addressing environmental challenges enhances his ability to translate complex technical and regulatory issues into practical legal strategies.