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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 practices environmental law with a focus on complex litigation. John has represented the State of Georgia as a Special Assistant Attorney General since 2005 in litigation and regulatory matters related to the disputes among Georgia, Alabama, Florida, and the U.S. Army Corps of Engineers concerning operation of federal reservoirs and state water rights, including equitable apportionment litigation before the U.S. Supreme Court. John has represented local governments in state court litigation, focusing on expert witness preparation and e-discovery. In addition, John has advised clients before the Georgia Public Service Commission in matters involving supply contracts, major rate case litigation, tariffs, and natural gas and telecommunications certificates. John also advises business clients regarding matters before state regulatory agencies and courts and regarding transaction involving environmental issues related to commercial real estate.