Matthew Rozen is a partner in the Washington, D.C. office of Gibson, Dunn & Crutcher. He practices in the firm’s Appellate and Constitutional Law and Administrative Law and Regulatory practice groups. His practice includes litigating and enforcing arbitral awards and judgments against foreign states under the Foreign Sovereign Immunities Act, and representing clients in the health insurance and energy industries in high-stakes appeals.
Matthew has presented oral argument before the United States Court of Appeals for the Third Circuit and the Arizona Court of Appeals. He has authored briefs in more than a dozen cases before the United States Supreme Court and dozens of cases before the federal and state trial and appellate courts, including the majority of federal courts of appeals. Best Lawyers has named him as a "One to Watch" in Appellate Practice, Administrative/Regulatory Law, Health Care Law, Insurance Law, and Mass Tort/Class Actions Defense.
Representative matters
- DHS v. Regents of the University of California: Lead author of Supreme Court merits brief on behalf of DACA recipients in successful APA challenge to the Trump administration’s 2017 rescission of the DACA program.
- Crystallex International Corp. v. Petróleos de Venezuela, S.A.: Representing Crystallex in enforcing $1.2 billion plus interest arbitral award against Venezuela, including as lead author of Third Circuit briefs resulting in groundbreaking decision affirming attachment of Venezuela’s indirect interest in the Venezuelan state-owned petroleum company Citgo.
- Blasket Renewable Investments v. Kingdom of Spain: Representing arbitral award holders in district court and the D.C. Circuit in seeking recognition and enforcement under the ICSID Convention and the New York Convention of arbitral awards issued against Spain, including as lead author of briefs in successful appeal establishing subject-matter jurisdiction under the arbitral exception to the Foreign Sovereign Immunities Act.
- Wit v. United Behavioral Health: Representing claims administrator of ERISA-governed health benefits plans as lead author of Ninth Circuit briefs in successful appeal resulting in reversal of class action judgment that would have required the client to reprocess nearly 67,000 decisions denying coverage for mental health and substantive abuse treatment.
- Arizona Public Service Company v. Arizona Corporation Commission: Representing Arizona utility company in appeals from State public utility commission ratemaking decisions, including as lead author of successful Arizona Court of Appeals brief resulting in reversal of decision that had unlawfully denied the company its right to recover the cost of installing pollution controls on coal-fire power plant.
- Liquid Energy Pipeline Association v. FERC: Representing trade association as lead drafter of D.C. Circuit briefs in successful appeal resulting in vacatur of FERC order setting annual index level that pipelines use to set rates for transporting oil interstate.
- Council for Medicare Choice v. CMS: Representing coalition of entities that help beneficiaries select and enroll in Medicare Advantage and Medicare Part D plans in APA challenge to CMS rule regulating compensation for administrative services provided to insurance brokers and agents.
- Su v. UMR: Representing claims administrator of ERISA-governed health benefits plans in defending against Department of Labor enforcement action challenging coverage determinations for emergency services and urinary drug screening claims.
- Yukos Capital Limited v. Russian Federation: Representing arbitral award holder in seeking recognition and enforcement under the New York Convention of arbitral award issued against Russia.
- LD v. United Behavioral Health: Representing claims administrator for ERISA-governed health benefits plans in opposing class action challenging reimbursement rates for mental health and substance abuse treatment.
Before joining the firm, Matthew served as a law clerk to the Honorable Richard A. Posner of the United States Court of Appeals for the Seventh Circuit. Matthew graduated with highest honors from the University of Chicago Law School, where he served as an Articles Editor on the University of Chicago Law Review. Matthew holds a master’s degree in Comparative Literature from the University of California, Irvine, and received his undergraduate degree in Literature from Harvard University, where he graduated magna cum laude.
Matthew is admitted to practice in Virginia and the District of Columbia. He is fluent in Spanish and proficient in French.
Capabilities
- Appellate and Constitutional Law
- Administrative Law and Regulatory Practice
- Class Actions
- Energy Regulation and Litigation
- Energy and Infrastructure
- FDA and Health Care
- Judgment and Arbitral Award Enforcement
- Litigation
Credentials
Education:
- University of Chicago - 2012 Juris Doctor
- University of California - Irvine - 2005 Master of Arts
- Harvard University - 2003 Bachelor of Arts
Admissions:
- District of Columbia Bar
- Virginia Bar
Clerkships:
- US Court of Appeals, 7th Circuit, Hon. Richard A. Posner, 2012 - 2013