Chad Clamage

Chicago,  IL  U.S.A.
Phone+1 312 701 8090

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Experience & Credentials

Practice Areas

  • Litigation & Dispute Resolution
  • Securities Litigation & Enforcement
Contact InfoTelephone: +1 312 701 8090
Fax: +1 312 701 7711
University Stanford University, B.A., Economics, with distinction/with departmental honors, 2005
Law SchoolStanford Law School, J.D., with distinction, 2008
Admitted2008, Illinois; 2009, US Court of Appeals for the Seventh Circuit; 2010, US Court of Appeals for the Fifth Circuit; 2010, US District Court for the Northern District of Illinois; 2011, US Court of Appeals for the Eleventh Circuit; 2011, US Court of Appeals for the District of Columbia Circuit; 2012, US Supreme Court

Chad Clamage is a Litigation & Dispute Resolution associate in Mayer Brown's Chicago office. His practice focuses on environmental law, general commercial litigation, securities litigation, and complex civil procedure. Chad has briefed a wide variety of matters in courts across the country, including the US Supreme Court and the Fifth, Seventh, Ninth, Eleventh, and DC Circuits, and he has argued cases before the Seventh Circuit, the Northern District of Illinois, and Ohio state court.

As part of his practice in environmental law, Chad helped secure key victories for clients in Decker v. Northwest Environmental Defense Center, 133 S. Ct. 1326 (2013), where the U.S. Supreme Court held 7-1 that the Clean Water Act does not require timber companies to obtain potentially hundreds of thousands of federal permits for stormwater runoff from their logging operations; in Friends of the Everglades v. South Florida Water Management District, 570 F.3d 1210 (11th Cir. 2009), cert. denied, 131 S. Ct. 643 (2010), where the Eleventh Circuit held that the Clean Water Act does not require permits for water transfers among bodies of water; and in Comer v. Murphy Oil USA, 718 F.3d 460 (5th Cir. 2013), where the Fifth Circuit held that plaintiffs could not sue large corporations for allegedly strengthening Hurricane Katrina through carbon dioxide emissions. As part of his practice in securities and class action defense, Chad briefed the knowledge argument that resulted in the denial of certification of a class under Section 11 of the 1933 Securities Act in In re Superior Offshore International, Inc. Securities Litigation, 2010 WL 2305742 (S.D. Tex. 2010).

In addition to his appellate practice, Chad has extensive experience in briefing matters in the trial courts, including motions to dismiss, motions for summary judgment, and Daubert motions. Chad also works alongside trial teams to ensure that appellate arguments are preserved and jury instructions and verdict forms are properly crafted.

Before joining the firm in 2009, Chad served as a law clerk to the Honorable Diane S. Sykes of the United States Court of Appeals for the Seventh Circuit. Chad received his JD from Stanford Law School, where he graduated with distinction, was a member of the Stanford Supreme Court Litigation Clinic, and was an Executive Editor on the Stanford Law Review and an editor on the Stanford Journal of Civil Rights and Civil Liberties. Chad received his BA with honors in economics and with distinction from Stanford University.

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Office Information

Chad Clamage

71 S. Wacker Drive
ChicagoIL 60606


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