Diana Breaux

Diana Breaux represents individuals and corporate clients in commercial disputes and intellectual property litigation.  Diana has handled matters in a variety of substantive areas, including licensing and contract disputes, business torts, anti-counterfeiting and anti-piracy actions, patent and trademark litigation, and securities litigation.

Diana has represented clients in all phases of litigation, including at hearings and trials in state and federal courts and before arbitration tribunals.  Her experience also includes advising clients in internal investigations and in responding to government subpoenas.

Before joining Yarmuth Wilsdon, Diana was a litigator at Patterson Belknap Webb & Tyler LLP in New York City, where she represented medical device companies in patent, contract, and anti-counterfeiting actions, and represented clients in a variety of high-stakes complex commercial matters, including mortgage-backed securities litigation. 

Diana’s experience includes:

  • Representing DIRECTV, LLC in satellite signal theft, account fraud, and other piracy-related actions.
  • Representing technology company in multiple licensing and contract disputes.
  • Representing investors and financial guarantors in actions against sponsors and originators of mortgage-backed securities.
  • Representing medical device manufacturers in anti-counterfeiting actions.
  • Representing pharmaceutical company in government investigation into consumer advertising claims.
  • Representing medical device companies as plaintiffs and defendants in patent litigation, including as trial counsel at bench and jury trials in federal courts throughout the country.

Diana has had an active and diverse pro bono practice.  Her volunteer engagements have included representing asylum candidates in Immigration Court and before the Board of Immigration Appeals, and representing prisoners seeking post-conviction relief.

Diana was recognized as a Rising Star in the 2012, 2013, and 2014 New York-Metro editions of Super Lawyers, and in the 2014 Seattle edition of Super Lawyers.

Prior to law school, Diana worked as a Research Analyst with Manpower Development Research Corporation, a non-profit public policy research firm, where she conducted research on anti-poverty initiatives and authored numerous publications.


Fordham Law School, J.D., magna cum laude, 2005

Barnard College, Columbia University, B.A., magna cum laude, 1998
Phi Beta Kappa

Professional Experience

Yarmuth Wilsdon PLLC, 2013-present

Patterson Belknap Webb & Tyler LLP, 2006-2013

Law Clerk, The Honorable James Orenstein, U.S. District Court, Eastern District of New York, 2005-2006

Bar Admissions

Washington State

New York