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Helen Kim


Los Angeles
310 282 9430 direct

Recognized as one of the top woman litigators in California by The Daily Journal, Helen represents public and private companies, their directors, officers and principal shareholders before the courts and in arbitration proceedings.

She serves as the vice co-chair of Thompson Coburn's Business Litigation group.

Helen has successfully defended clients in multiple shareholder derivative suits, nationwide securities and commodities class actions, and related opt-out litigation, and guided companies and their officers through regulatory investigations.

Her clients have included global financial services firms, financial services and health care executives, media companies, and major manufacturers, among others. For these clients, Helen carefully analyzes a dispute, works proactively to find all possible solutions, and tenaciously advocates for her clients through litigation or successful settlement.

Helen is a graduate of Harvard College and the Yale Law School, where she was note editor of the Yale Law Journal. She also holds a degree from the Julliard School of Music for classical piano performance.

Defense of the former general counsel of the largest commodities broker in the United States in numerous securities class actions and related insurance coverage litigation arising from the failure to disclose a $400 million account receivable in a bond offering and its initial public offering. Obtained the dismissal of client from two securities class actions. In a third related securities litigation, she reached a settlement, which obtained final court approval.

Defense of the former chief executive officer of one of the world's largest health care companies in securities class action litigation arising from the company's restatement of financials following a corporate acquisition.

Defense of large insurance company in nationwide securities class action arising from the sale of securitized insurance products.

Defense of large insurance company in numerous actions filed by opt-out plaintiffs in California, Florida and Texas.

Defense of brokerage firm arising from issuance of forged stock certificates. Obtained dismissal after motion to dismiss.

Defense of global financial services firm in securities class action litigation arising from a company's initial public offering.

Represented media company in prosecution of California state securities fraud, breach of fiduciary duty claims against former officers and directors of acquired subsidiary.

Represented a minority shareholder in a control dispute over closely held corporation. Obtained a ruling setting aside another shareholder's attempt to appoint himself sole director of the corporation and also obtained a court order appointing interim directors for the corporation which included their clients.

Defended British metals producer in California state antitrust action. Obtained favorable settlement.

Defended directors and officers of California limited liability company against action for breach of commercial lease based on "veil piercing" theory.


"2015 Roundtable Series: Securities";
California Lawyer, January 2015

"Meet the Women Rainmakers: Helen Kim";
Law Practice Today: The Monthly Webzine of the ABA Law Practice Division, February 2013


Helen Kim honored as one of Law360’s Influential Women in Securities Law

Helen B. Kim named to Law360’s ‘25 Most Influential Women in Securities Law’ list

Thompson Coburn client wins attorneys’ fees ruling from 9th Circuit

Helen B. Kim to perform in L.A. Lawyers Philharmonic benefit concert

Explore ‘Current Issues in Securities Litigation’ at Feb. 23 ABA event

Helen B. Kim talks securities litigation in roundtable with California Lawyer

Helen B. Kim to co-chair ABA’s Securities Litigation Committee

Helen B. Kim to receive Civic Leadership Award from Los Angeles League of Women Voters

TC attorneys appear on 2014 Super Lawyers list for Illinois, Southern California

Securities litigator Helen Kim joins Thompson Coburn’s Los Angeles office