Krista M. Enns

Krista Enns is a litigation partner in Winston & Strawn's San Francisco and Silicon Valley offices who concentrates her practice in complex commercial matters, including class actions. She has defended companies and individuals against allegations of securities fraud, insider trading, and deceptive trade practices. She also has experience with antitrust, fiduciary duty, and intellectual property matters.


Class Actions: Ms. Enns has extensive class-action experience, having defended consumer, investor, and employee class actions in various state and federal courts.

Antitrust: Ms. Enns has represented clients across a variety of industries—including technology and manufacturing—in civil antitrust matters ranging from exclusionary conduct to price fixing.

Intellectual Property: Ms. Enns regularly represents companies and individuals in disputes over intellectual property rights, including alleged theft of trade secrets and contractual dispute over intellectual property (IP) use limitations.

Select examples of matters handled by Ms. Enns include:

  • Defense of a putative class action against a financial institution alleged to have fraudulently induced consumers into mortgages they could not afford.
  • Offensive and defensive representation of a Fortune 100 company in connection with business torts, breach of contract, trade secrets, and IP rights.
  • Representation of a consumer products and services company with a sales tax class action.
  • Representation of a global financial institution in a bankruptcy matter pertaining to interest owed.  
  • Representation of a corporation in a deceptive trade practices putative class action, alleging unfair competition, fraud, and violations of the Consumer Legal Remedies Act.
  • Representation of a manufacturer seeking to enjoin and/or obtain damages from a competitor engaged in exclusionary conduct.
  • Defense of a Fortune 100 company against alleged price fixing by a purported competitor. 
  • Representation of a corporate officer against allegations of misappropriation of trade secrets and breach of fiduciary duty.
  • Representation of a bankruptcy trustee in a federal bankruptcy court matter involving breach of fiduciary duty and fraudulent transfer claims against multiple former officers and directors of a failed subprime mortgage lender.
  • Preservation of a $15.9 million verdict before the Ninth Circuit in a case involving complex real estate and contractual interpretation issues. First Nat’l Mortg. Co. v. Federal Realty Inv. Trust, 631 F.3d 1058 (9th Cir. 2011).
  • Representation of a Fortune 100 company and its officers in private plaintiff securities fraud and insider trading class actions.
  • Representation of an individual related to allegations of insider trading brought by the SEC.
  • Representation of an employer defending against class claims alleging improper compensation of employees.

Ms. Enns was part of the Winston & Strawn team that won Cisco's inaugural Commercial Litigation Law Firm of the Year Award which Cisco created as a way to recognize the law firm that most exemplifies excellence in partnership.

Ms. Enns previously served as a law clerk to the Hon. Mary Beck Briscoe of the U.S. Court of Appeals for the Tenth Circuit and to the Hon. Oliver Wanger of the U.S. District Court for the Eastern District of California. She also served as a legislative aide to Rep. Gwenn Klingler of the Illinois House of Representatives (100th District).

Ms. Enns received a J.D. from Duke University School of Law in 1999, where she was the Managing Editor for the Duke Law Journal. In addition, she received a Masters in Public Policy from the Sanford Institute of Public Policy at Duke University. She attended Pomona College.


Ms. Enns serves on the Board of Directors of OneJustice, an organization focused on expanding legal help for Californians in need, and on the Board of Directors of the Duke Law Alumni Association. She also is a member of the American Bar Association (including the Section of Antitrust Law).

Publications & Speaking Engagements

  • Can a California Litigant Prevail in an Action for Legal Malpractice Based on an Attorney’s Oral Argument Before the United States Supreme Court?, 48 Duke L.J. 111 (1998).


  • District of Columbia
  • California


  • Eastern District of California for Hon. Oliver Wanger
  • USCA - 10th Circuit for Hon. Mary Beck Briscoe


  • Duke University, JD, 1999
  • Pomona College, BA