Los Angeles:
400 South Hope Street
Los Angeles, CA 90071


Matthew W. Close


Matthew Close is a partner in O’Melveny’s Los Angeles office and a member of the Securities Litigation Practice. He has a diverse litigation practice focused on representing corporations and their directors and officers in securities fraud, derivative, and breach of duty litigation, as well as in internal investigations and merger, acquisition, and asset sale disputes. Matt also regularly litigates commercial disputes, unfair competition and deceptive trade practice actions, and Attorney General proceedings nationwide that involve financial services, loan servicing, accounting, mortgage-backed securities, and fiduciary duty issues. In addition, he maintains an active real estate litigation practice representing developers, property owners, and commercial tenants.

Matt was named by Law360 as one of Ten Rising Stars Under 40 nationwide in the field of securities litigation. He is a frequent commentator in national and international press on a range of legal issues. Matt served as an authority on the implications of the US Supreme Court decision, Morrison v. National Australia Bank, Ltd, and also was featured in a Finance Asia story on the growing number of securities class actions filed against Chinese companies listed in the United States. Matt’s articles have been published in Bloomberg Law Reports, the Los Angeles Daily Journal and International Financial Law Review, and he was chosen for a “2012 Distinguished Legal Writing Award” by the Burton Awards for Legal Achievement, which is run in conjunction with the Library of Congress. The group holds an annual contest to recognize the best legal writing from the nation’s top 1,000 law firms. Matt also has served as a faculty member for the Practising Law Institute’s Securities Litigation program.

Illustrative Professional Experience

  • Lead defense counsel in connection with securities class action, shareholder opt-out, RICO, breach of duty, and mismanagement lawsuits arising from the bankruptcy of a publicly held European joint venture company 
  • Lead counsel in obtaining dismissal of claims alleging that a telecommunications company aided and abetted breaches of fiduciary duty and accounting fraud
  • Lead trial counsel for an electronics company in successful prosecution of fraud claim
  • Lead counsel for a corporate pension plan defrauded in a Ponzi scheme
  • Lead counsel for an energy company during Attorney General investigation into price-fixing and unfair competition allegations
  • Lead counsel in litigation and arbitration between limited liability company’s controlling and minority members
  • Lead counsel in litigation and arbitration between a public company and its founder involving tort, contract, and trademark claims
  • Lead counsel for buyer in successful defense of Delaware Chancery Court merger litigation seeking to enjoin tender offer for public life sciences company
  • Lead litigation counsel for Special Committee of public company board of directors in connection with going-private transaction
  • Lead litigation counsel for China-based public company in defense of securities and breach of duty litigation in Delaware arising from going-private transaction
  • Lead counsel for public company in connection with SEC inquiry into stock sale transactions by directors and officers
  • Lead counsel in obtaining dismissal of a Section 16(b) short-swing profit lawsuit filed against a hedge fund client
  • Lead counsel for a major studio in a real estate rent and lease termination fee dispute
  • Lead counsel for a public company Audit Committee chairman in securities and derivative litigation
  • Lead counsel for a global entertainment company in post-acquisition dispute with selling shareholders
  • Lead appellate counsel for a property owner in land use and takings litigation
  • Counsel for a national bank in Attorney General lawsuits asserting violations of consumer protection laws
  • Counsel for a national bank in multidistrict litigation alleging successor liability claims arising from a merger
  • Counsel to a telecommunications company in securities litigation arising from a US$20 billion strategic merger
  • Represented a Special Litigation Committee in its internal investigation and successful motion to dismiss derivative claims filed against the company’s officers and directors
  • Counsel in successful defense of a corporation against securities fraud claims arising from its debt exchange offer
  • Counsel to a software company in takeover litigation
  • Advised Audit Committee in connection with securities litigation and parallel SEC investigation
  • Counsel to a health insurance company in putative nationwide class action challenging claims handling practices
  • Counsel to a national retail chain that obtained summary judgment disposing of real estate lease and purchase agreement litigation
  • Represented a company accused of using false financial statements to induce US$1.5 billion asset sale
  • Counsel to a medical device manufacturer in false advertising and unfair competition litigation, product liability class actions, and license disputes
  • Represented a government contractor in joint venture and misappropriation of trade secret disputes
  • Counsel in multiple cases involving partnership and royalty disputes
  • Counsel to property owners in land use, takings, and restructuring litigation
  • Defense counsel in multiple cases involving stock options and in a variety of shareholder class actions and derivative lawsuits in federal and state court

Professional Activities

Law Clerk,  Honorable Mariana R. Pfaelzer, US District Court for the Central District of California
Member, Federal Bar Association, Los Angeles Chapter (Board of Directors, 2011-2013); Los Angeles County Bar Association, Appellate Courts Committee
Honors,  Named one of Ten “Rising Stars Under 40” nationwide in the field of securities litigation by Securities Law360; named a “Southern California Rising Star” by Super Lawyers (2004); Recipient of a “2012 Distinguished Legal Writing Award” by the Burton Awards for Legal Achievement, run in conjunction with the Library of Congress

University of California at Berkeley, Boalt Hall School of Law,  J.D.: Order of the Coif

University of Pennsylvania, Wharton School,  B.S.: magna cum laude