Stephen Mouritsen is a litigation partner in the Salt Lake City office of Kirkland & Ellis LLP. His practice focuses on securities litigation. He has experience with a wide variety of securities-related matters, including securities fraud litigation, securities-related arbitration, and state and federal securities investigations. He also has significant experience with a variety of corporate and commercial disputes, as well as corporate restructuring litigation.

With a background in linguistics, Stephen has also written extensively on the intersection between law and language. His writing has appeared in the Chicago Law Review, the Yale Law Journal, the Washington Law Review, and the Columbia Science and Technology Law Review, and has been cited by judges on the United States Supreme Court, various federal appellate and state supreme courts, and the Congressional Research Service’s report on Statutory Interpretation.


Thought Leadership


Author, “The Concept of Ordinary Meaning in Common Law Courts,” Legal Terminology, 3 Handbook of Terminology, John Benjamins Publishing Company, 2023

Co-Author with Thomas R. Lee, “The Corpus and the Critics,” 87 University of Chicago Law Review 275, 2021

Author, “Natural Language in Legal Interpretation,” 85 Brooklyn Law Review 533, 2021

Author, “Contract Interpretation with Corpus Linguistics,” 94 Washington Law Review 1337, 2019

Co-Author with Thomas R. Lee, “Judging Ordinary Meaning,” 127 Yale Law Journal 788, 2018

Author, “Corpus Linguistics in Legal Interpretation: An Evolving Interpretive Framework,” 6 International Journal of Language & Law 67, 2017

Author, “Hard Cases and Hard Data,” 13 Columbia Science & Technology Law Review 156, 2012

Author, “The Dictionary Is Not a Fortress,” BYU Law Review 1915, 2010

Speaking Engagements

Speaker, “Predicting Corpora,” Symposium in Honor of Professor Larry Solan, Center for Law, Language, and Cognition, Brooklyn Law School, New York, November 2023

Discussant, Online Workshop on Computational Analysis of Law, University of Virginia Law School, February 2021

Panelist, “Corpus Linguistics in Legal Interpretation,” American Academy of Appellate Lawyers, April 2021

Panelist, “Data-Driven Approaches to Legal Interpretation,” Center for Law, Language, and Cognition, Brooklyn Law School, New York, March 2020

Panelist, “Corpus Linguistics and the Law,” ABA Administrative Law Conference, Washington DC, November 2019

Panelist, “Thinking Like a Linguist,” Appellate Judges Education Institute Summit, Washington DC, November 2019

Moderator, “Linguistic Corpora in the Law,” International Language and Law Association Conference, UCLA Law School, September 2019

Speaker, “Toward a Corpus-Based Interpretive Framework for Legal Texts,” Fabric of Law and Language Conference, Academy of Sciences, Heidelberg, Germany, March 2016

Speaker, “Corpora in the Courts,” Legal Corpus Pragmatics, Alberg-Ludwigs-Universitat, Freiburg, Germany, April 2013


Admissions & Qualifications

  • 2017Utah
  • 2012New York


  • United States District Court for the District of Utah
  • United States District Court for the Southern District of New York


  • English
  • Spanish


  • Brigham Young University, J. Reuben Clark Law SchoolJ.D.magna cum laude

    Lead Articles Editor, BYU Law Review

    John S. Welch Award for Outstanding Legal Writing

  • Brigham Young UniversityM.A., Linguistics
  • Brigham Young UniversityB.A., English