Yale Law School, J.D., 1990

  • Articles Editor, Yale Law Journal, 1989-1990

Oxford University, Balliol College, M.Phil. in International Relations, with distinction, 1987

Princeton University, Woodrow Wilson School of Public and International Affairs, A.B., magna cum laude, 1985

  • Phi Beta Kappa


Law Clerk, Justice Harry A. Blackmun, U.S. Supreme Court, 1992-1993

Law Clerk, Judge Patricia M. Wald, U.S. Court of Appeals, District of Columbia Circuit, 1991-1992

Law Clerk, Judge José A. Cabranes, U.S. District Court, District of Connecticut, 1990-1991

Government Service

Counselor on International Law, Office of the Legal Adviser, U.S. Department of State, 2012-2013

Special Assistant to the Deputy Attorney General, U.S. Department of Justice, 1993-1995

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Geoffrey M. Klineberg

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Geoffrey Klineberg has been a member of the firm since January 1998.  He practices primarily in the areas of administrative law and appellate litigation, representing clients in matters before the Federal Communications Commission, as well as before the Supreme Court and various federal district and appellate courts.  Mr. Klineberg also advises clients on the applicability of the Rules of Professional Conduct, having served for seven years on the D.C. Bar Legal Ethics Committee, completing his last three years as Chair.  In August 2013, Mr. Klineberg returned to the firm after a one-year leave of absence as the Counselor on International Law in the Office of the Legal Adviser at the U.S. Department of State.  Mr. Klineberg graduated magna cum laude from Princeton University in 1985, where he majored in International Relations in the Woodrow Wilson School for Public and International Affairs.  He spent the next two years at Balliol College, Oxford University, where he was awarded a Masters of Philosophy degree in International Relations with distinction.  He graduated from Yale Law School in 1990 and was an Articles Editor on the Yale Law Journal.  From 1990 to 1991, he clerked for the Honorable José A. Cabranes of the United States District Court for the District of Connecticut; from 1991 to 1992, he clerked for the Honorable Patricia M. Wald of the United States Court of Appeals for the District of Columbia Circuit; and, during October Term 1992, he clerked for the Honorable Harry A. Blackmun of the United States Supreme Court.  After clerking, Mr. Klineberg worked for two years as a Special Assistant to the Deputy Attorney General at the U.S. Department of Justice.

Other Experience

Member, D.C. Court of Appeals’ Committee on Unauthorized Practice of Law, 2015-present

Member, District of Columbia Bar Global Legal Practice Task Force, 2014-present

Member, Board of Directors, The Historical Society of the District of Columbia Circuit, 2011-present

Chair, District of Columbia Bar Clients’ Security Fund Study Committee, 2010-2012

Chair, District of Columbia Bar Legal Ethics Committee, 2005-2008

Vice Chair, 2003-2005

Member, 2001-2003

Member, Board of Directors, The American Constitution Society for Law and Policy, 2001-2004

Noteworthy Representations

Saturn Telecomm. Servs. v. AT&T Inc., No. 14-15422 (11th Cir. Jan. 22, 2016) (per curiam).

Mr. Klineberg successfully defended AT&T in a formal complaint proceeding before the Federal Communications Commission (FCC) and before the 11th Circuit, which dismissed the petition for review and upheld the FCC’s determination that the Complainant’s claims had been released.

Federal Communications Comm’n v. AT&T Inc., 562 U.S. 397 (2011).

Mr. Klineberg served as counsel of record for Respondent AT&T Inc. in this Supreme Court case presenting the question whether Exemption 7(C) of the Freedom of Information Act (FOIA), which protects from disclosure any law enforcement record the disclosure of which “could reasonably be expected to constitute an unwarranted invasion of personal privacy,” protects the privacy interests of a corporation. 

Office of Consumer Counsel v. Southern New England Tel. Co., No. 09-0116-cv (2d Cir. Mar. 5, 2010).

Mr. Klineberg was lead counsel for Defendant-Appellant Southern New England Tel. Co. (SNET) in this Second Circuit case presenting the question whether the District Court should have dismissed the case as moot when the Connecticut Legislature enacted a state law that required SNET to obtain a franchise before it could provide video services in the state. 

BellSouth Telecomms, Inc. v. Farris, 542 F.3d 499 (6th Cir. 2008).

Mr. Klineberg was lead counsel for Plaintiff-Appellee BellSouth Telecommunications, Inc. (BellSouth) in this Sixth Circuit case presenting the question whether the Kentucky Legislature, after imposing a new tax on the gross revenues of telecommunications providers, could prohibit these providers from “collect[ing] the tax directly” from consumers and from “separately stat[ing] the tax on the bill.” 

Southern New England Telephone Co. d/b/a AT&T Connecticut v. Connecticut Dep’t of Pub. Utility Control, Docket No. CV 07-4033448-S (Ct. Super. Ct. Oct. 31, 2007) (McWeeny, J.).

Mr. Klineberg was lead counsel for Plaintiff AT&T Connecticut (AT&T) in this emergency petition in Connecticut Superior Court, presenting the question whether a state law, which established a new, comprehensive regulatory framework governing video franchising in Connecticut, applied to new entrants like AT&T, notwithstanding a federal District Court’s ruling that AT&T’s video service constituted a “cable service” under federal law. 

Sprint Communications Co. v. FCC, 274 F.3d 549 (D.C. Cir. 2001).

Mr. Klineberg served as lead counsel for Intervenor SBC Communications Inc. (SBC) in this D.C. Circuit case, presenting the question whether the FCC’s granting of SBC’s application for authority to provide long-distance telephone services in the States of Kansas and Oklahoma was lawful.


Co-Author (with Janet Reno), What Would Jackson Do?  Some Old Advice for the New Attorney General, 2 Harvard Law and Policy Review 197 (2008)

Co-Author (with Peter W. Huber, Michael K. Kellogg, and John Thorne), Privacy, Intellectual Property, and Free Speech, FEDERAL TELECOMMUNICATIONS LAW, ch. 14 (2d ed. 1999)

Remembering Harry Blackmun, ABA Journal, at 20 (April 1999)

Fighting Words, The Federal Lawyer, at 17 (June 1995)

Co-Author (with Jamie S. Gorelick), Justice Department Contacts with Represented Persons:  A Sensible Solution, 78 Judicature 136 (1994)