JP Schnapper-Casteras

John Paul “JP” Schnapper-Casteras founded the law firm in 2018 and works on a range of frontier technology issues, including open source software projects, fintech, digital currencies, artificial intelligence, electric vehicles, and quantum computing. He advises non-profits and individuals on constitutional law and appellate litigation. Additionally, JP is a Non-Resident Senior Fellow at the Atlantic Council.

Clients include: startups at the seed, Series A, and growth stages; software developers and decentralized projects; a global venture capital firm; a civil rights group with over three million members; one of the country’s largest 100 private foundations; and an association representing over 42,000 military officers, enlisted personnel, and families.

Previously, JP served as Special Counsel for Appellate and Supreme Court Advocacy at the NAACP Legal Defense and Educational Fund (LDF), one of the nation’s premier public interest law firms. At LDF, he co-authored Supreme Court briefs on marriage equality, First Amendment law, higher education, voting rights, LGBTQ rights, employment discrimination, jury trials, and fair housing. Before that, JP practiced in the appellate group of Sidley Austin LLP, where he co-authored Supreme Court briefs involving trademark infringement, international trade, environmental contamination, and education.

Board service includes the Lantos Foundation for Human Rights and Justice (Trustee and Chair); the American University of Iraq (Trustee Emeritus); and Stanford University (as a graduate student).

JP has published in The Washington PostPolitico, SCOTUS Blog, World Affairs JournalHarvard Law Review online, Harvard Kennedy School Review, and Cornell Journal of Law and Public Policy. He has been profiled by the National Law Journal and is regularly quoted in outlets like National Public Radio, The Boston Globe, Christian Science Monitor, New York Magazine, The Hill, and Above the Law.

JP received his J.D. with Pro Bono Distinction from Stanford Law School, where he won the Walter J. Cummings Award for Best Brief as a Finalist in the Kirkwood Moot Court Competition, was a member of the Supreme Court Litigation Clinic, and was Managing Editor of the Stanford Law & Policy Review. He holds an M.P.P. from the Harvard Kennedy School and an M.A. and B.A. with honors from Stanford University. As an undergraduate, he served as Editor-in-Chief of the Stanford Scientific Review and founded the first student exchange program in postwar Iraq.



  • Stanford Law School, J.D., 2009 (with Pro Bono Distinction)
  • Harvard Kennedy School, M.P.P., 2009 (joint degree)
  • Stanford University, M.A., 2005 (co-terminal masters in four years)
  • Stanford University, B.A., 2005 (with Honors)


  • Honorable Roger L. Gregory of the U.S. Court of Appeals for the Fourth Circuit (2010-2011)
  • Honorable Scott W. Stucky of the U.S. Court of Appeals for the Armed Forces (2009-2010)


  • Supreme Court of the United States
  • U.S. Court of Appeals, 1st Circuit
  • U.S. Court of Appeals, 2nd Circuit
  • U.S. Court of Appeals, 3rd Circuit
  • U.S. Court of Appeals, 4th Circuit
  • U.S. Court of Appeals, 5th Circuit
  • U.S. Court of Appeals, 6th Circuit
  • U.S. Court of Appeals, 7th Circuit
  • U.S. Court of Appeals, 8th Circuit
  • U.S. Court of Appeals, 9th Circuit
  • U.S. Court of Appeals, 10th Circuit
  • U.S. Court of Appeals, 11th Circuit
  • U.S. Court of Appeals, D.C. Circuit
  • U.S. Court of Appeals, Armed Forces
  • District of Columbia
  • New York


Select computer science experience:

  • Editor-in-Chief, Stanford Scientific Review
  • Researcher on recovery-oriented computing and interactive workspaces for Stanford Computer Science Department
  • Developer of accessibility architecture and toolkits for various open source platforms and software projects (e.g., KDE Accessibility Project; GNU Network Object Model Environment); recipient of Linux Fund grant
  • Technical publications and presentations at the National Institute of Standards and Technology; Joint Berkeley-Stanford Computing Retreat; Stanford CS196 Course; Linux Weekly News; and Linux Gazette
  • Invited expert for Protocols and Formats Working Group, World Wide Web Consortium (W3C)

Select speaking engagements:

  • Harvard Law School, Criminal Justice Appellate Clinic, Jan. 5, 2018
  • NYU School of Law, Racial Equity Strategies Clinic, Feb. 16, 2017 and Feb. 11, 2016
  • Georgetown Appellate Litigation Clinic, Feb. 1, 2017
  • Regular participant in moots at Georgetown Supreme Court Institute and at Howard University School of Law
  • American Bar Association Section of Civil Rights and Social Justice, “Supreme Court Overview,” Jan. 24, 2017
  • CSPAN-broadcast debate on “Religious Freedom and Anti-Discrimination Law,” Dec. 4, 2017
  • Training Program of the U.S. Court of Appeals for the Armed Forces, Mar. 2-3, 2016
  • American Law Institute, “The Future of Affirmative Action and Diversity Efforts,” July 18, 2013