John S. Hahn: Lawyer with Mayer Brown LLP

John S. Hahn

Partner
Washington,  DC  U.S.A.
Phone+1 202 263 3346

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Experience & Credentials
 

Practice Areas

  • Banking & Finance
  • Leveraged Finance
  • Social Finance
  • Energy
  • Environmental
  • Litigation & Dispute Resolution
 
Contact InfoTelephone: +1 202 263 3346
Fax: +1 202 263 5346
http://www.mayerbrown.com/people/John-S-Hahn/
 
University Duke University, A.B., magna cum laude, 1974
 
Law SchoolYale Law School, J.D., 1977
 
Admitted1977, District of Columbia; 1978, US District Court for the District of Columbia; 1978, US Court of Appeals for the District of Columbia Circuit; 1981, US Supreme Court; 1983, US Court of Appeals for the Federal Circuit; 1993, US Court of Appeals for the Eighth Circuit; 2007, US Court of Appeals for the First Circuit; 2011, North Carolina
 
Memberships 

Activities

Board of Visitors (Emeritus), Nicholas School of the Environment, Duke University

American Bar Association, Section of Environment, Energy and Resources

NC Bar Association, Environment, Energy & Natural Resources Law Section

 
LanguagesEnglish
 
Biography

John Hahn's practice encompasses a variety of high-stakes environmental counseling and litigation matters. These have involved defense against Federal and state enforcement actions and challenges to rulemaking authority, as well as private-sector disputes over contaminated sites and issues of successor liability. He has extensive experience with environmental challenges to real estate development and the allocation of environmental liabilities in corporate and real estate transactions. John received the Oak Leaf Award from The Nature Conservancy in 1991 for his pro bono work in support of TNC's conservation projects.

 
ISLN906782024
 
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#4,412 in weekly profile views out of 51,826 lawyers in Washington, District of Columbia
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Office Information

John S. Hahn

1999 K Street, N.W.
WashingtonDC 20006-1101




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