John P. Stigi III: Lawyer with Sheppard, Mullin, Richter & Hampton LLP

John P. Stigi III


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Experience & CredentialsOther Offices

Practice Areas

  • Litigation Class Action Defense
  • Financial Institutions Litigation Securities Enforcement
  • Securities Litigation White Collar Defense and Corporate Investigations
  • Aerospace and Defense
  • Digital Business
  • Education Entertainment
  • Financial Services
  • Private Equity
University Columbia University, B.A., cum laude, 1984
Law SchoolUniversity of Virginia, J.D., 1987
Admitted1988, New York; 2000, California; U.S. Supreme Court; U.S. Court of Appeals for the Ninth Circuit; U.S. District Courts for the Central District of California, Northern District of California, Southern District of California, District of Colorado, Eastern District of New York and Southern District of New York

•AIG Securities Litigation Panel Counsel, 2012-present
•American Bar Association, 1989-present
•New York State Bar Association, Civil Practice Law and Rules Committee, 1996-1999
•Los Angeles World Affairs Council, 2006-2009
•University of Virginia School of Law National Litigation Panel, 1996-2000
•Columbia University Alumni Representative Committee, Regional Co-Chair, 2007-present



John Stigi is a partner in the Business Trial Practice Group in the firm's Century City and Palo Alto offices, and co-leader of the firm's Corporate/Securities Litigation Team.

Areas of Practice

Mr. Stigi's practice focuses on securities class action and shareholder derivative action defense, SEC investigation defense, internal corporate investigations, complex contract and commercial litigation, and M&A and corporate governance litigation. He has extensive experience representing issuers, officers, directors and auditors in all areas of securities, corporate and complex commercial litigation, from the early stages before a complaint is filed through pleading motions, discovery, mediation, trial and appeal. Mr. Stigi also advises companies on disclosure and corporate governance issues, as well as directors and officers insurance matters.

Mr. Stigi’s practice is national in scope. He appears in federal and state courts throughout California, New York and Delaware, and also has appeared in courts in Arizona, Colorado, Florida, Massachusetts, Mississippi, Nevada, New Jersey, Texas and Washington. Mr. Stigi is a member of the AIG Securities Litigation Panel (class action approved).

Mr. Stigi previously practiced in Silicon Valley and New York City where he represented issuers, accountants, banks, brokerage firms, and hedge fund managers in securities, commercial, bankruptcy, employment, and real estate litigation. Mr. Stigi clerked at the District of Columbia Court of Appeals and was an executive editor of the Virginia Journal of International Law.

•Southern California Super Lawyer, 2010, 2012, 2013, 2014
•Northern California Super Lawyer, 2005


Representative Cases

Securities & Shareholder Derivative Actions

•Advanced Cell Technologies
•America West
•Arthur Andersen
•Bolar/Circa Pharmaceuticals
•Chordiant Software
•Digital Cornerstone
•Ernst & Young
•Fairchild Corporation
•First Virtual Communications
•GEM Services, Inc.
•Hewlett Packard
•i2 Technologies
•International Rectifier
•Irvine Sensors
•Jennifer Convertibles
•LBI Media Holdings
•Leap Wireless
•National Technical Systems
•NCI Building Systems
•NorthPoint Communications
•Redback Networks
•Sahlen & Associates

M&A/Going Private Actions

•CrossWorlds Software
•Hewlett Packard/Compaq
•Hewlett Packard/Walter Hewlett
•Imperial Capital
•International Rectifier
•Lions Gate Entertainment
•Med BioGene
•National Technical Systems
•Parametric Sound
•Physicians Formula
•Plumtree Software
•Rational Software
•Raytel Medical
•Rizvi Traverse/Playboy
•Sport Chalet
•Taylor Made/Adams
•Taylor Made/Ashworth

Financial Services-Related Actions

•B. Riley
•CIBC Oppenheimer
•Citicorp Real Estate
•Clearwater Fund
•European American Bank
•First Nationwide Bank
•Hambro America
•Imperial Capital
•Liberty Brokerage
•Moore Capital Management
•Patriot Securities (Also at Palo Alto Office)


Documents by this lawyer on

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Delaware Supreme Court Confirms Chancery Court’s Broad Authority to Impose Use Restrictions on Information Obtained From Section 220 Books and Records Inspections
John M. Landry,John P. Stigi, March 24, 2015
In United Technologies Corp. v. Treppel, No. 127, 2014, 2014 Del. LEXIS (Del. Dec. 23, 2014), theDelaware Supreme Court held that the Delaware Court of Chancery is authorized regulate how stockholders use information obtained through books and records inspections under Section 220of the Delaware...

Ninth Circuit Holds that Under Nevada Law, a Prior Stockholder’s Litigation of Demand Futility Precludes Another Stockholder From Litigating Demand Futility In a Subsequent Derivative Action
Alejandro E. Moreno,John P. Stigi, March 24, 2015
In Arduini v. Hart, 2014 WL 7156764 (9th Cir. Dec. 17, 2014), the United States Court of Appeals for the Ninth Circuit considered whether the doctrine of issue preclusion prevents a stockholder from relitigating a prior adverse determination concerning demand futility in derivative action brought...

Second Circuit Notes Split with Ninth Circuit Over Whether Failure to Make Adequate Disclosures Under Item 303 of Regulation S-K May Serve as Basis for a Section 10(b) Claim
Madalyn A. Macarr,John P. Stigi, March 24, 2015
In Stratte-McClure v. Morgan Stanley, No. 13-0627-cv, 2015 WL 136213 (2d Cir. Jan. 12, 2015), the United States Court of Appeals for the Second Circuit affirmed the dismissal of securities fraud claims against Morgan Stanley arising out of its exposure to and losses from a proprietary subprime...

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Office Information

John P. Stigi III

1901 Avenue of the Stars, Suite 1600
Los AngelesCA 90067


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