Peter B. Morrison has a broad litigation practice, representing clients in both federal and state courts, with a particular emphasis on takeover and securities litigation.


Mr. Morrison advises corporations on matters involving both federal and state securities laws, duties of corporate directors, SEC and stock exchange inquiries and investigations, and contests for corporate control. Mr. Morrison is one of only two attorneys nationwide to be named to Law360’s list of Rising Stars for three consecutive years (2011-13). Since 2014, he has been selected for inclusion in The Best Lawyers in America, in which he was named 2018 Lawyer of the Year for Litigation - Securities, Los Angeles. In addition, Mr. Morrison has been selected for inclusion in Chambers USA: America’s Leading Lawyers for Business.

Among others, Mr. Morrison has represented:

  • Ripple Labs Inc. in a putative class action alleging that it should have registered its virtual currency XRP as a security under federal securities laws;
  • Valeant Pharmaceuticals International and certain of its directors and officers in the favorable resolution of class action lawsuits in California and Delaware brought by shareholders in connection with the proposed $3.3 billion merger of Valeant and Biovail;
  • American Apparel, Inc. in connection with securities class actions and derivative lawsuits brought in federal and state court in California;
  • Questcor Pharmaceuticals, Inc. (now Mallinckrodt Pharmaceuticals) in a federal securities class action and derivative litigation in the U.S. District Court for the Central District of California alleging misrepresentations in press releases, conference calls and SEC filings related to, among other things, the effectiveness of the company’s flagship product and prospects for growth;
  • KPMG in multiple actions involving claims ranging from fraud, negligence and contract enforcement to constitutional violations;
  • Bank of America:
    • in the defense of a putative nationwide class action related to tax reporting; and
    • (formerly LaSalle Bank, N.A.) in successfully defeating five related class actions in Orange County Superior Court brought by plaintiffs alleging that the defendants sold them fraudulent securities and real estate investments;
  • CytRx Corporation in various actions, including the successful dismissal upholding a Delaware forum-selection bylaw in a federal shareholder derivative suit;
  • Oakley, Inc. and its board of directors in a lawsuit brought by one of Oakley’s shareholders seeking to enjoin the $2 billion acquisition of Oakley by Luxottica Group S.p.A. (Italy);
  • certain former outside directors of Countrywide Financial Corporation in securities, derivative and ERISA litigations;
  • Fortress Investment Group, Inc. in the successful dismissal of an action arising from loans that a hedge fund made to assist in financing films;
  • American Land Lease, Inc. in successfully preventing attempts in state and federal court to enjoin the pending $438 million acquisition by Greene Court Partners LLC;
  • Gateway, Inc. and its board of directors in a lawsuit brought by Gateway’s shareholders in both California and Delaware seeking to enjoin its $710 million merger with Acer, Inc.;
  • the special committee of independent directors of Station Casinos, Inc. in litigation seeking to enjoin Station Casinos’ more than $8 billion going-private transaction;
  • Leonard Green & Partners in a lawsuit seeking to enjoin PETCO Animal Supplies, Inc.’s $1.8 billion going-private transaction;
  • officers and directors of Apollo Group, Inc. in securities and derivative lawsuits arising from allegations of options backdating;
  • Tharaldson Motels, Inc.’s Employee Stock Ownership Plan (ESOP), its ESOP committee and the individual directors of Tharaldson Motels, Inc. (TMI) in a successful dismissal with prejudice of a complaint alleging that defendants breached their fiduciary duties under ERISA; and
  • Freedom Communications, Inc., publisher of the Orange County Register, in a wage and hour class action lawsuit concerning the independent contractor status of the Register’s newspaper carriers, including a two-month trial.

A regular speaker at various conferences and bar groups, Mr. Morrison participated in an event hosted by the Association of Business Trial Lawyers, focusing on "Critical Lessons for Young Lawyers & Summer Associates by Some of LA’s Rising Stars" and at an ALI-ABA program titled "Supreme Court in Janus Limits Securities Fraud Suits: What Does This Mean to Investment Advisers, Attorneys, Accountants and Bankers?" He also was featured in a discussion about securities class actions moderated by and published in Financier Worldwide titled "TalkingPoint: Securities Class Actions in the United States."

Mr. Morrison is on the firm’s Los Angeles office recruiting committee and leads new lawyer training.



  • J.D., New York University School of Law, 1999 (Order of the Barristers)
  • B.A., University of Pennsylvania, 1996 (magna cum laude)


  • California
  • New York


  • Board of Trustees, Seven Arrows Elementary School (2014-Present)
  • Board of Trustees, The Accelerated School (2009-Present)
  • Member, Executive Committee of the Litigation Section, Los Angeles County Bar Association (Commencing 2014)
  • Board of Directors, Friends of the Los Angeles County Law Library (Commencing 2014)
  • Board of Directors, New York University School of Law Alumni Association (2013-Present)
  • Chair of the Board of Directors (2018-Present) and Member of Board of Directors (2011-Present), Constitutional Rights Foundation
  • Board of Directors, The Growing Place (2009-2016)


  • Law Clerk, Chancellor William B. Chandler III, Delaware Court of Chancery, 1999-2000

Peter B. Morrison