Cary D.Sullivan


Irvine + 1.949.553.7513

Cary Sullivan is a trial lawyer with in-depth experience in trade secrets, consumer class cases, products liability, and information management.

Cary has 20 years of experience representing public and private companies and individuals in the financial, technology, payment processing, pharmaceutical, health care, spirits, construction, manufacturing, and energy industries. He has advised boards in derivative litigation and internal investigations and has represented directors and officers in a variety of related proceedings. Cary has represented companies in trade secret disputes around the globe, including multibillion dollar disputes and cases that have helped define the limits of extraterritorial application of the federal Defend Trade Secrets Act. Cary has tried multiple cases to verdict and has defeated numerous nationwide consumer class actions and federal racketeering cases.

Cary is a coauthor of Trade Secret Litigation & Protection: A Practice Guide to the DTSA and the CUTSA and is frequently asked to speak or write about developments in the trade secret and consumer class context. He is a member of the Firm's Recruiting Committee and is the New Lawyers Group coordinator for the Irvine Office.


  • CafePress obtains complete dismissal of putative nationwide class action relating to data breachJones Day obtained a complete dismissal of a putative nationwide class action arising from an alleged data breach on behalf of CafePress Inc. (now known as Residual Pumpkin Entity, LLC).
  • Qualcomm pursues trade secret and contract claims asserting Apple's misuse of Qualcomm's trade secret software and source codeJones Day represented Qualcomm Incorporated and Qualcomm Technologies, Inc. in a lawsuit asserting trade secret misappropriation and breach of contract claims against Apple Inc.
  • Lennar defeats certification in consolidated class action involving allegedly defective "yellow brass" plumbing fittingsJones Day represented two subsidiaries of the homebuilder Lennar Corporation in connection with a consolidated class action regarding high-zinc-content brass plumbing fittings (often called "yellow brass" fittings) that were alleged to corrode through a chemical reaction called dezincification when exposed to water, ultimately causing the fittings to occlude or leak.
  • Financial services company defeats putative nationwide racketeering class actionJones Day represented a financial services company in a putative nationwide federal racketeering class action.
  • Patrón Spirits obtains summary judgment in defense of executive compensation claims brought by former officer and directorJones Day represented Patrón Spirits International AG and its majority shareholder, John Paul DeJoria, in a case against a former president and director of the company.
  • Flat panel television manufacturer defeats putative nationwide class action alleging defective component parts in plasma and LCD TVsJones Day represented a flat panel television manufacturer in connection with a putative nationwide class action regarding allegedly defective component parts in plasma and LCD TVs manufactured since 2003.
  • Financial services company defeats putative nationwide consumer fraud class actionJones Day represented a financial services company in a putative nationwide consumer fraud class action.
  • Novatel Wireless defends shareholder class action and shareholder derivative actions regarding misrepresentations concerning their financial resultsJones Day represents Novatel Wireless, Inc. and certain of its officers and directors in shareholder class and derivative actions alleging that Novatel made misrepresentations concerning their financial results and the status and scope of the Company's internal investigation.
  • Tracinda Corporation defends shareholder class actionJones Day represented Tracinda Corporation and Kirk Kerkorian in shareholder class action arising from Tracinda Corporation's sale of stock following Daimler's acquisition of Chrysler.