Mary D. Fan

  • Jack R. MacDonald Endowed Chair


Phone: (206) 685-4971


J.D. 2003, Yale Law School Ph.D. Candidate (2017), Epidemiology, University of Washington M.Phil. 2008, University of Cambridge B.A., magna cum laude, 2000, University of Arizona

Curriculum Vitae

Areas of Expertise

Criminal Law and Procedure — Evidence — Immigration and Refugee Law — Police and Law Enforcement — Privacy — Prosecution and Prosecutorial Ethics

Recent Courses

LAW A 505 Criminal Law
LAW B 503 Evidence
LAW B 515 Criminal Procedure: Investigation

Professor Mary D. Fan's expertise includes criminal law and procedure, evidence, information privacy, and crimmigration.  She is the author of numerous articles in leading law reviews and a recent book Camera Power: Proof, Policing, Privacy, and Audiovisual Big Data, published by Cambridge University Press. Her research and teaching are informed by her experiences as a federal prosecutor in the Southern District of California and as an associate legal officer at a United Nations criminal tribunal. Her scholarship has been cited by judges, including U.S. Supreme Court Justice Sonia Sotomayor, and in major media venues.

Among Professor Fan’s most cherished honors is that the student body has three times voted to award her Professor of the Year. She also has been nominated for the university-wide Distinguished Teaching Award. She also received the Dean's Medal for excellence in teaching, scholarship and service twice and also received the Washington Law Review’s Richard O. Kummert Outstanding Contribution Award.

Professor Fan was the Herman Phleger Visiting Professor at Stanford Law School in winter 2022, where she taught first-year criminal law. She was a Visiting Scientist at the Harvard School of Public Health in 2017-18. Professor Fan is an elected member of the American Law Institute (ALI) and an elected Life Fellow of the American Bar Association (ABA). She also serves on the Board of Directors for the American Civil Liberties Union (ACLU)-Washington.

Trained in epidemiology and anthropology as well as law, Professor Fan collaborates on interdisciplinary violence prevention research as a core faculty member at Harborview Medical Center's Injury Prevention & Research Center. She also is an affiliate faculty member at the Center for an Informed Public, an interdisciplinary collaboration on the integrity of information at the University of Washington.

Mary Fan clerked for the Hon. John T. Noonan, Jr. of the U.S. Court of Appeals for the Ninth Circuit and for Judge O-Gon Kwon at the first war crimes tribunal since the World War II era. She received her J.D. from Yale Law School and her M.Phil. from the University of Cambridge, where she was a Gates Cambridge Scholar. At Yale, she was a Notes Editor for the Yale Law Journal, a Managing Editor for the Yale Journal of International Law, and a Coker Teaching Fellow. She was awarded the Jewell Prize and the Nathan Burkan Prize for her publications.

Peer Reviewed Journals & Law Reviews

Books or Treatises

Book Chapters

News Media

Other Publications

  • Speaker, "Suspecting with Data", Annual Training Conference, Washington Association of Criminal Defense Attorneys (June 8, 2024)
  • Speaker, "Data Sanctuaries for Reproductive and Gender Freedoms", Evidence Summer Workshop, Vanderbilt Law School (May 17, 2024)
  • Keynote, "Suspecting with Data", 17th Annual Why Law Matters Conference, Joint CLE, Federal Defenders, Central District of Illinois and the University of Illinois (April 19, 2024)
  • Speaker, Big Data Searches Law of Policing Conference, University of Chicago Law School (June 7, 2023)
  • Speaker, New Technologies of Identification as Evidence Evidence Summer Workshop, Vanderbilt Law School (May 16, 2023)
  • Panelist, "Too Intrusive? Drawing a Privacy Line in the Digital Age", Appellate Judges Spring Judicial Education Program, Washington Courts (April 28, 2023)
  • Speaker, "Conflict in Ukraine: Can Prosecuting Atrocity Crimes Make A Difference?", American Association of Law Schools (AALS) Annual Meeting, (January 6, 2023)
  • Speaker, "Evidentiary and Policy Questions about Police Body Camera", American Bar Association (ABA) Science & Technology Section Webinar, (December 16, 2022)
  • Moderator, "Federal Criminal Justice Conversation with U.S. Attorney Nick Brown and Federal Public Defender Colin Fieman", Federal Bar Association, Western District of Washington, (December 14, 2022)
  • Speaker, "The Hidden Harms of Privacy Penalties", Stanford Law School (February 23, 2022)
  • Speaker, "Show Me the Video", Wake Forest Journal of Law & Policy Symposium, Wake Forest School of Law (November 12, 2021)
  • Speaker, "The Emotional Influence of Gruesome Images in the Courtroom", CLE, American Bar Ass’n (ABA) Mid-Year Meeting, 2021 (February 19, 2021)
  • Speaker, "Show Me the Video", George Washington Law Review Symposium on Policing (October 24, 2020)
  • Speaker, "Beyond Informed Consent: Lessons from Property and Commons Governance Theory for Pooled Personal Electronic Data", Research Symposium, Center for Long-Term Cybersecurity, University of California, Berkeley (September 11, 2020)
  • Speaker, "The Hidden Harms of Expanding Privacy Penalties", Research Symposium, Center for Long-Term Cybersecurity, University of California, Berkeley (July 30, 2020)