JohnP.
Stigi III

PartnerCo-Leader, Securities Enforcement and Litigation Team
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John Stigi

Overview

John Stigi is an experienced litigator who represents issuers, officers, directors and auditors in securities and corporate litigation. The co-leader of the Securities Enforcement and Litigation team, he handles litigation and investigations from the early stages before a complaint is filed through pleading motions, discovery, mediation, trial and appeal.

Recognized with a tier 1 national ranking for securities litigation by Best Lawyers in America, John is widely regarded as a leader in his field. His commitment to client service—demonstrated through responsiveness, attention to the business needs and goals of clients, and effective communication—has earned him further distinction as a BTI Consulting Client Service All-Star.

John focuses his practice on:

  • Securities class action defense
  • Shareholder derivative action defense
  • SEC investigation defense
  • Internal corporate investigations
  • M&A litigation
  • Corporate governance litigation

John also advises companies and boards of directors on disclosure and corporate governance issues, as well as directors and officers insurance matters.

With a national practice, John appears in federal and state courts throughout California, New York and Delaware as well as Arizona, Colorado, Florida, Massachusetts, Mississippi, Nevada, New Jersey, Texas, Utah and Washington. John is a member of the AIG Securities Litigation Panel (class action approved).

John previously practiced in Silicon Valley and New York City where he represented issuers, accountants, banks, brokerage firms, and hedge fund managers in securities, complex commercial, bankruptcy, employment, and real estate litigation.

Experience

Representative Cases

Securities & Shareholder Derivative Actions

  • Advanced Cell Technologies
  • Alternegy
  • America West
  • American Apparel
  • Amgen
  • Arthur Andersen
  • Axesstel
  • Axos Financial (f/k/a BofI Holding)/HMEPS
  • Axos Financial/Grigsby
  • Axos Financial/Calcaterra
  • Boeing
  • Chordiant Software
  • Deer Consumer Products
  • Deloitte
  • Digital Cornerstone
  • Diodes
  • Ernst & Young
  • Fairchild Corporation
  • FAT Brands/Harris I and II
  • FAT Brands/Rojany and Vignola
  • FAT Brands/Matthews 
  • FAT Brands/Kates
  • First Virtual Communications
  • GEM Services, Inc. 
  • Hewlett Packard
  • i2 Technologies
  • International Rectifier
  • Irvine Sensors
  • LBI Media Holdings
  • Legend3D
  • LifeVantage
  • Marvell Technologies
  • National Technical Systems 
  • NCI Building Systems
  • NewAge
  • NorthPoint Communications
  • Ontrak 
  • Patriot National
  • PCM
  • Quovadx
  • Redback Networks
  • salesforce.com
  • Silvergate Bank
  • Tullett Prebon
  • VISX
  • Workhorse Group
  • Zales

M&A/Going Private and Appraisal Actions

  • Corio
  • CrossWorlds Software
  • Dialogic
  • E.piphany
  • Electro Rent
  • GAN Ltd.
  • Hewlett Packard/Compaq
  • Hewlett Packard/Walter Hewlett
  • HomeFed
  • Imperial Capital 
  • Informa
  • Infoweapons
  • International Rectifier
  • Kreisler/United Flexible
  • Lions Gate Entertainment
  • Majesco
  • Med BioGene
  • National Technical Systems
  • Parametric Sound
  • PCM
  • Physicians Formula
  • Plumtree Software
  • Sport Chalet
  • Suncrest Bank
  • Taylor Made/Adams
  • Taylor Made/Ashworth
Credentials
Clerkships

John clerked at the District of Columbia Court of Appeals

Education

J.D., University of Virginia, School of Law, 1987, Executive Editor of the Virginia Journal of International Law

B.A., Columbia University, 1984, cum laude

Admissions

California

New York

U.S. Supreme Court

U.S. Courts of Appeals for the First, Second, Third, Fifth and Ninth Circuits

U.S. District Courts for the Central District of California, Northern District of California, Southern District of California, Eastern District of New York and Southern District of New York

Honors

Best Lawyer in America, Litigation - Securities, Best Lawyers, 2021-2026

Best Lawyer in America, Litigation - Regulatory Enforcement (SEC, Telecom, Energy), Best Lawyers, 2025-2026

Client Service All-Star, BTI Consulting, 2023

Memberships

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, 2007-2023

Association of Business Trial Lawyers, 2016-present

Thought Leadership
  • Speaker & Panelist, Securities Litigation 2016: From Investigation to Trial, Practising Law Institute, New York, April 2016
  • Speaker & Panelist, Handling a Securities Case 2015: From Investigation to Trial and Everything in Between, Practising Law Institute, New York, April 2015
  • Speaker & Panelist, Director & Officer Liability and Insurance - Hot Topics and New Developments, USC Corporate Governance Summit, Los Angeles, November 2014
  • Speaker & Panelist, When Good Deals Go Bad - How to Avoid Becoming an M&A Casualty, Association for Corporate Growth San Diego, December 2012
  • Chair, Delaware Counsel Speaks: Navigating Delaware Corporate Law in Transactions, San Diego, September 2011
  • Speaker, SEC Enforcement and Securities Class Action Trends Since the Great Recession of 2008, U.S. Law Firm Group Corporate & Securities Committee Section Meeting, San Francisco, May 2010
  • Q&A With Sheppard Mullin's John P. Stigi III, Law360, July 16, 2009
  • Speaker, Deconstructing Ryan v. Gifford, Cal CPA Fraud Section, Los Angeles, February 2008
  • Speaker, Environmental Disclosures, Los Angeles County Bar Association, Los Angeles, February 2008
  • Speaker & Panelist, Securities Litigation, CLE International Conference on Class Actions, San Francisco, January 2008
  • Co-chair, CLE International Conference on Class Actions, Los Angeles, January 2007
  • Podcast, Merrill Lynch v. Dabit, TheCorporateCounsel.net Blog, April 2006
  • Speaker & Panelist, McMaster World Congress Conference on Corporate Governance, Hamilton, Ontario, January 2006
  • Speaker, Washington Metropolitan Area Corporate Counsel Association, SEC Enforcement, Reston, VA, December 2005
  • Speaker & Panelist, International Bar Association Annual Conference, Prague, September 2005
  • Speaker & Panelist, InSight CLE, M&A Litigation, Vancouver, BC, April 2005
  • Speaker & Panelist, Glasser LegalWorks, Electronic Discovery, San Francisco, April 2004
  • Speaker, Venture Capital Task Force, Palo Alto, July 2002
  • "3rd Circ. Eases Limitations Test For Securities Claims," Law360, October 25, 2013
  • "Case Study: In Re Boston Scientific," Law360, August 6, 2012
  • "Addressing Materiality At The Pleadings Stage," Law360, September 7, 2011
  • "Barring RICO Claims Based On Alleged Securities Fraud," Law360, July 28, 2011
  • "Courts Interpret 'Tellabs'," The National Law Journal, March 17, 2008
  • "May a Court Consider Competing Inferences of a Defendant's State of Mind in Determining Whether the Complaint Pleads a 'Strong Inference' of Scienter?" 34 Preview of United States Supreme Court Cases (ABA), No. 6, April 9, 2007
  • "Electronic Discovery: New Rules Also Affect E-Discovery of Nonparties," The National Law Journal, March 19, 2007
  • "Delaware Decision in Disney Sets Forth Parameters for Duty of Good Faith," 21 Delaware Corporate Litigation Reporter, No. 6, September 25, 2006
  • "Disney Case Provides Further Insight into Directors' Duty of Disclosure," 13 Corporate Governance Advisor, No. 5, September/October 2005
  • "Delaware Vice Chancellor Strine Suggests Reform of Delaware Common Law Regarding Fully Negotiable Going-Private Transactions," 9 Wall Street Lawyer, No. 3, August 2005