Leanne Oates Vanecek



Bar Admissions

State Bar of California

State Bar of Arizona

Ninth Circuit

U.S. District Court for the Central District of California

U.S. District Court for the Southern District of California

Previous Employment

Hueston Hennigan LLP

Irell & Manella LLP


J.D., UCLA School of Law, Order of the Coif, Symposium Editor, UCLA Law Review

B.A., Arizona State University, summa cum laude

Leanne’s broad-based litigation and consulting practice encompasses all aspects of business litigation across a wide spectrum of industries, including health care, energy, technology, education, and entertainment. She has represented individuals and organizations, ranging from small partnerships to Fortune 500 companies, at the trial and appellate level in both state and federal courts. She also represents clients at the pre-litigation stage, and takes pride in assisting her clients in finding solutions to their legal issues before they have ripened into full-blown litigation. Clients appreciate Leanne’s dedication, attention to detail, and ability to see around corners and anticipate problems before they arise.

Leanne has assisted clients with matters relating to breaches of contract, business torts, zoning regulations, and government and internal investigations, among others. She has special expertise in data breach analysis, privacy litigation, and privacy compliance matters. Leanne is a Certified Information Privacy Professional in U.S. private-sector privacy laws and regulations (CIPP/US).

Leanne earned her J.D. from UCLA School of Law in 2011, where she served as a Symposium Editor for the UCLA Law Review and was named to the Order of the Coif. She earned her B.A. in Theatre, summa cum laude, from Arizona State University in 2004.


Career Highlights

Represented a Fortune 500 energy services company in cross-border dispute relating to a billion-dollar liquified natural gas terminal through summary judgment win, appeal, and partial remand. Obtained dismissal with prejudice on remaining issue on remand.

Represented Western Digital and its SanDisk subsidiaries in their widely publicized dispute with Toshiba over joint ventures governing multibillion dollar NAND flash memory business assets.

Represented a national health care organization in communications and negotiations with the California Attorney General regarding data breach incidents involving personal information. Advised client with regard to the avoidance of future incidents.

Advised investors seeking to avoid dilution of shares in joint venture involving large-scale live-action entertainment tour. Developed strategy to resolve disputes through board measures, demand letters, and pre-litigation counsel. Case resolved favorably without formal litigation.