Practice areas


  • Harvard Law School (J.D. 2015) cum laude
  • University of California, Berkeley (Ph.D., Mathematics, 2007)
  • University of California, Berkeley (B.A., Mathematics, 2001) Highest Honors in Mathematics; High Distinction in General Scholarship; Phi Beta Kappa

Dennis Courtney is a litigation associate in the Newport Beach office of Irell & Manella LLP.

Prior to law school, Mr. Courtney was a Visiting Assistant Professor in the Department of Mathematics at the University of Iowa, where he did research in functional analysis and taught calculus, linear algebra and real analysis.

Mr. Courtney earned his J.D., cum laude, from Harvard Law School. He earned his Ph.D. in Mathematics from the University of California, Berkeley, where he also earned his B.A. in Mathematics, with Highest Honors in Mathematics and High Distinction in General Scholarship. Mr. Courtney was also a member of Phi Beta Kappa. 

Read More
View More
View More


  • "A mini-max problem for self-adjoint Toeplitz matrices" (with D. Sarason) Mathematica Scandinavica 110 (2012), Issue 1, 82-98 
  • "Composition operators and endomorphisms" (with P. Muhly and S. Schmidt) Complex Analysis and Operator Theory 6 (2012), no. 1, 163-188 
  • "Unions of arcs from Fourier partial sums" New York Journal of Mathematics 16 (2010) 235-243 
  • "Inefficiency and complementarity in sharing games" (with T. Marschak) Review of Economic Design 13 (2009), no. 1-2, 7-43
  • "Lifting endomorphisms to automorphisms" (with W. Arveson) Proceedings of the American Mathematical Society 136 (2008), no. 6, 2073-2079 
  • "Shirking and squandering in sharing games" (with T. Marschak) Topics in Theoretical Economics 6 (2006), Issue 1, 1-34
View More
View More
View More
View More

Bar Admissions

  • California