Webcast: Ethical Issues When Defending Parallel Investigations or Proceedings

January 12, 2022

This presentation will explore the ethical, legal, and practical principles implicated by parallel investigations by multiple government authorities. The presentation will discuss the ever-increasing rise in parallel investigations (whether by different agencies within the federal government, across state lines, or between the state and federal governments), and will discuss the specific issues that may be posed by such investigations.

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Winston Y. Chan is a litigation partner in Gibson, Dunn & Crutcher’s San Francisco office. He has particular experience leading matters involving government enforcement defense, internal investigations and compliance counseling, and regularly represents clients before and in litigation against federal, state and local agencies, including the U.S. Department of Justice, Securities and Exchange Commission and State Attorneys General. Mr. Chan is Co-Chair of the firm’s False Claims Act/Qui Tam Defense practice group.

Diana M. Feinstein is a partner in the Los Angeles office of Gibson, Dunn & Crutcher. She is a member of the firm’s Securities Litigation and White Collar Defense and Investigations Practice Groups.Ms. Feinstein’s practice focuses on complex litigation, including securities litigation and high-value commercial litigation.She also focuses on white collar defense and investigations. She has handled matters across a variety of industries, including financial services, technology, entertainment, insurance, healthcare, transportation, real estate, manufacturing, and consumer products.Ms. Feinstein has represented clients in a variety of matters across the United States in cases involving breach of contract, shareholder disputes, breach of fiduciary duty claims, fraud claims, securities law violations, employment disputes and other matters.

Douglas M. Fuchs is a partner in Gibson, Dunn & Crutcher’s Los Angeles office. Mr. Fuchs is the co-chair of the firm’s Los Angeles Litigation Department. He also is a member of the firm’s White Collar Defense and Investigations, Securities Enforcement and Securities Litigation Practice Groups. Mr. Fuchs has a special expertise in representing corporations and individuals in white collar criminal, SEC and other regulatory enforcement matters, including cases involving allegations of securities fraud, environmental violations, public corruption, antitrust violations, economic espionage and government contracting fraud. Mr. Fuchs has also conducted sensitive internal investigations, been retained by companies that have been victimized by fraud, and developed compliance programs, including compliance with the Foreign Corrupt Practices Act. Mr. Fuchs additionally has experience handling a broad range of civil litigation, including cases stemming from the same facts giving rise to criminal, SEC, and regulatory investigations.

James L. Zelenay is a partner in the Los Angeles office of Gibson, Dunn & Crutcher where he practices in the firm’s Litigation Department. Mr. Zelenay has extensive experience in defending clients involved in white collar investigations, assisting clients in responding to government subpoenas, and in government civil fraud litigation. Mr. Zelenay has represented clients in connection with alleged violations of environmental regulations, regulations governing trade with sanctioned countries, Department of Education rules and regulations, Food and Drug Administration regulations, Federal Emergency Management Agency regulations, government construction contracting matters, patent and telecommunication proceedings, and other administrative matters. Mr. Zelenay also has substantial experience with the federal and state False Claims Acts and whistleblower litigation.


This program has been approved for credit in accordance with the requirements of the New York State Continuing Legal Education Board for a maximum of 1.0 credit hour, of which 1.0 credit hour may be applied toward the areas of Ethics requirement. This course is approved for transitional/non-transitional credit.

Gibson, Dunn & Crutcher LLP certifies that this activity has been approved for MCLE credit by the State Bar of California in the amount of 1.0 hour.

Gibson, Dunn & Crutcher LLP is authorized by the Solicitors Regulation Authority to provide in-house CPD training. This program is approved for CPD credit in the amount of 1.0 hour. Regulated by the Solicitors Regulation Authority (Number 324652).

Neither the Connecticut Judicial Branch nor the Commission on Minimum Continuing Legal Education approve or accredit CLE providers or activities. It is the opinion of this provider that this activity qualifies for up to 1 hour toward your annual CLE requirement in Connecticut, including 0 hour(s) of ethics/professionalism.

Application for approval is pending with the Colorado, Illinois, Texas, Virginia and Washington State Bars.