David J. Noonan

Practice areas

Business Litigation, Securities Litigation, Antitrust Litigation, Professional Liability: Defense, Appellate

David J. Noonan, a founding partner at Noonan Lance Boyer & Banach, LLP situated in San Diego, California, focuses his legal practice on a range of areas including general business, banking, securities litigation, professional malpractice, and antitrust liability. His clientele spans individuals, families, small enterprises, and large corporations within the broader San Diego vicinity. Consequently, his caseload encompasses a diverse array, from safeguarding Fortune 500 enterprises against allegations of antitrust infringements to providing legal representation for professional athletes across various matters.

Having attained his Bachelor of Arts from Colby College in 1969, Mr. Noonan went on to secure his Juris Doctor with honors from Syracuse University College of Law in 1972. He holds an active legal practice license in California and maintains involvement in several professional associations. These include the San Diego Chapter of the American Board of Trial Advocates, the San Diego County Bar Foundation, and the San Diego Volunteer Lawyer Program. He also has a history of leadership, having served as a past president of the San Diego County Bar Association, and holds memberships in prestigious legal organizations such as the American College of Trial Lawyers and the Louis M. Welsh American Inn of Court.

In the capacity of lead counsel for a series of high-profile cases, Mr. Noonan has achieved successful outcomes for both plaintiffs and defendants. Notably, he steered a team of attorneys to secure a triumph on behalf of California consumers who initiated a class-action lawsuit against a manufacturer of ephedra dietary supplements, citing deceptive advertising. Furthermore, he headed the defense’s legal representation in a class-action suit centered around antitrust violations in connection with retail gasoline sales. Recognized highly by his legal peers, Mr. Noonan has earned a position in The Best Lawyers in America* for over two decades consecutively and has been honored with the esteemed AV Preeminent** rating from Martindale-Hubbell.

*The Best Lawyers in America® 2010. Copyright 2009 by Woodward/White, Inc., Aiken, SC

**AV Preeminent and BV Distinguished are certification marks of Reed Elsevier Properties Inc., employed in accordance with Martindale-Hubbell’s certification procedures, standards, and policies. Martindale-Hubbell administers a peer review rating process, with ratings reflecting confidential evaluations from members of the legal profession and the judiciary. These ratings fall into two primary categories: legal competence and general ethical standards.