Diana Watral is a litigation partner and trial lawyer in Kirkland’s Chicago office. Diana represents companies as both plaintiffs and defendants in a broad range of business and intellectual property disputes, with recent experience in contract, False Claims Act, trade secret, patent, sports, products liability, and complex commercial cases.

Most recently, Diana served as trial counsel to Flexus Biosciences, a Bristol-Myers Squibb subsidiary, in a $1 billion trade secret jury trial that resulted in a complete defense verdict. Diana successfully defended Abbott in a $1 billion False Claim Act jury trial and second-chaired Baxter Healthcare’s successful defense of a $400 million contract dispute. She also successfully defended a TRO and injunction request seeking to prevent the Chicago Cubs from expanding Wrigley Field.

In 2018, the American Lawyer recognized Diana as a “Litigator of the Week” in an article entitled, “It’s No Secret That Kirkland Trio Crushed This Case.” In 2019, Legal 500 United States recognized Diana for Healthcare: Life Sciences, calling her “brilliant, creative and tenacious.”



Admissions & Qualifications

  • Illinois


  • University of Chicago Law SchoolJ.D.with Highest Honors

    Graduated first in class

    Order of the Coif

    Kirkland & Ellis Scholar

    Executive Editor, The University of Chicago Law Review

  • Georgetown UniversityB.A., Governmentmagna cum laude, with Honors, with Distinction