Jennifer C.Cooper (Jenn)


Los Angeles +

Jenn Cooper is a results-driven litigator with experience handling complex commercial litigation in federal and state courts. She has represented Fortune 500 companies, mid-size corporations, small businesses, and individuals in a broad range of cases across a variety of industries, including entertainment, manufacturing, and real estate. In addition to her trial work, Jenn has significant briefing and motion practice experience at the trial and appellate levels.

Jenn began her legal career as a shared judicial law clerk for the U.S. District Court for the Central District of California. Following her clerkship, Jenn practiced at a well-regarded Los Angeles litigation boutique before she joined Jones Day in 2022.


  • Medical device company obtains dismissal with prejudice in False Claims Act qui tam actionJones Day successfully represented a medical device company in a government investigation by the United States Attorney's Office (C.D. Cal.) and the Department of Justice relating to alleged violations of the Anti-Kickback Statute ("AKS") and allegations of off-label promotion with respect to a medical device.