Department profile
Gibson, Dunn & Crutcher LLP

Securities: Litigation

USA Guide 2026 : USA - Nationwide

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Gibson, Dunn & Crutcher LLP

About

Provided by Gibson, Dunn & Crutcher LLP

To learn more about our practice, please visit gibsondunn.com.

Chambers Review

Provided by Chambers

Securities: Litigation - USA - Nationwide

Band 1

What the Team is Known For

Gibson, Dunn & Crutcher exhibits far-reaching capabilities for domestic and international clients, housing expert securities litigators and advisers across its US offices and global network. The firm's areas of strength include securities class action defense, M&A litigation and shareholder derivative suits. It is sought after by clients from a range of industries, including technology and manufacturing, in addition to major financial institutions.

Notable practitioners

Denver-based Monica Loseman, San Francisco-based Brian Lutz, Los Angeles-based Craig Varnen and DC-based Jason Mendro co-chair the department.

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Work Highlights

Provided by Chambers

  • Gibson Dunn secured a complete victory for Slack at the Ninth Circuit in connection with stockholder litigation concerning shares alleged to have been traceable to Slack's registration statement.

Strengths

Provided by Chambers

  • They are creative in their development of arguments and have a deep understanding of securities law.

    Securities: Litigation respondentUSA

  • Gibson Dunn is responsive and has good knowledge of securities class actions.

    Securities: Litigation respondentUSA

  • It's a strong team across the board with high intellectual horsepower. I take my highest-stakes and most difficult matters there.

    Securities: Litigation respondentUSA

  • They do a very good job managing situations that are challenging, with a lot of moving parts and parties.

    Securities: Litigation respondentUSA

  • Gibson, Dunn & Crutcher is consistently recognized as a leader in securities litigation. All team members have significant experience and a dedicated work ethic.

    Securities: Litigation respondentUSA

What success is built on

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