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Matthew X. Etchemendy
Matthew X. Etchemendy
Counsel — Appellate
Counsel — Appellate

Matthew X. Etchemendy

Matthew X. Etchemendy
Washington, D.C.

2200 Pennsylvania Avenue NW
Suite 500 West
Washington, D.C. 20037

Matthew X. Etchemendy

Experience Highlights

  • (D.C. Cir.) — Principal drafter of brief successfully defending dismissal of claims that FERC’s statutory funding structure violated due process by, among other things, creating bias in favor of approving new pipeline projects 

  • (D.C. Cir.) – Successfully briefed and argued case defending FERC dismissal of administrative complaint related to offshore natural gas pipeline outages

  • (8th Cir.) – In civil asset forfeiture appeal, successfully petitioned for rehearing en banc, prepared supplemental merits briefs, and successfully argued case before en banc Eighth Circuit, which unanimously overruled contrary Eighth Circuit precedent and reversed adverse district court decision

  • (N.Y.) – As member of an appellate team, successfully briefed certified-question case before the New York Court of Appeals, securing favorable holding that mass toxic tort claims were not covered by state law tolling statute of limitations

  • (D.C. Cir.) – As court-appointed amicus curiae, briefed and argued case on legal ethics and appellate jurisdiction, successfully arguing that appeal should be dismissed for lack of statutory jurisdiction

  • (U.S.) – As member of an appellate team, briefed case involving the copyrightability of annotations to a state’s official code

  • (U.S.) – Drafted certiorari-stage amicus brief supporting challenge to Federal Housing Finance Agency and Treasury Department’s treatment of Fannie Mae and Freddie Mac during federal conservatorship

  • (U.S.) – As member of an appellate team, filed certiorari-stage amicus brief supporting challenge to California Public Utilities Commission’s treatment of wildfire-related costs under the Takings Clause

  • (D.C. Cir.) – Drafted multiple amicus briefs supporting FERC’s limited consideration of upstream and downstream greenhouse gas emissions under NEPA for natural gas pipeline projects

  • (D.C. Cir.) — Drafted amicus brief supporting FCC’s decision to classify broadband Internet access service as an information service not subject to common-carrier regulation 

  • (U.S.) — Drafted petition for writ of certiorari raising preemption claims under Occupational Safety and Health Act 

  • (U.S.) — Drafted certiorari-stage amicus brief supporting challenge to constitutionality of local taxation of temporarily stored natural gas

  • (AAA) — Wrote multiple briefs in arbitration of breach of contract claim involving multi-billion-dollar construction agreement for military warships 


  • Stanford Law School, J.D., 2012 (Stanford Law Review, Senior Editor; Stanford Technology Law Review, Editor)
  • Stanford University, Ph.D., Philosophy, 2016
  • Stanford University, B.S. Symbolic Systems (with distinction); B.A. Philosophy (with honors and distinction), 2006
  • Law and Philosophy Fellow, University of Chicago Law School, 2016 – 2017
  • Judicial clerk to Justice Anthony M. Kennedy, Supreme Court of the United States, 2013 – 2014
  • Judicial clerk to Chief Judge Merrick B. Garland, U.S. Court of Appeals for the District of Columbia Circuit, 2012 – 2013
  • The Best Lawyers in America© (BL Rankings, LLC), “Ones to Watch,” Appellate Practice (Washington), 2021–2024
  • Selected to the Washington, D.C. Rising Stars list, Super Lawyers® (Thomson Reuters), 2021–2024
  • District of Columbia
  • Maryland
  • Supreme Court of the United States
  • United States Courts of Appeals for the First, Second, Fourth, Fifth, Eighth, Ninth, and District of Columbia Circuits
  • United States Court of Federal Claims