News & Analysis as of

Scienter Pharmaceutical Industry Putative Class Actions

A&O Shearman

Ninth Circuit Affirms Dismissal of Putative Class Action Against Pharmaceutical Company for Failure to Adequately Allege Falsity...

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On August 20, 2025, the United States Court of Appeals for the Ninth Circuit affirmed the dismissal of a putative class action asserting claims under the Securities Exchange Act of 1934 against a pharmaceutical company and...more

A&O Shearman

Eastern District Of Pennsylvania Denies In Part Motion To Dismiss Putative Securities Class Action Against Pharmaceutical Company

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On September 3, 2024, Judge Mitchell S. Goldberg of the United States District Court for the Eastern District of Pennsylvania granted in part and denied in part a motion to dismiss a putative securities class action against a...more

A&O Shearman

Northern District Of California Dismisses With Prejudice Putative Class Action Against Pharmaceutical Company

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On May 7, 2024, Judge Beth Labson Freeman of the United States District Court for the Northern District of California dismissed with prejudice a putative shareholders’ class action against a pharmaceutical company (“Company”)...more

A&O Shearman

Northern District Of California Court Partially Grants Motion To Dismiss Putative Securities Class Action Against Pharmaceutical...

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On March 11, 2024, Judge Haywood S. Gilliam, Jr. of the United States District Court for the Northern District of California granted in part and denied in part a motion to dismiss a putative securities class action brought...more

A&O Shearman

Fourth Circuit Affirms Dismissal Of Securities Fraud Class Action Against Cancer Drug Manufacturer For Failure To Allege False Or...

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On March 2, 2023, the United States Court of Appeals for the Fourth Circuit affirmed the dismissal of a putative securities class action against a company that manufactures cancer drugs (the “Company”), its president and CEO,...more

A&O Shearman

Southern District Of New York Dismisses Putative Class Action Against Pharmaceutical Company For Failure To Adequately Allege...

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On September 12, 2022, Judge J. Paul Oetken of the United States District Court for the Southern District of New York dismissed with prejudice a putative class action asserting claims under the Securities Exchange Act of 1934...more

Goodwin

Delaware Federal Court Dismisses Shareholder Derivative Suit Concerning Lack of Board Diversity

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Delaware Federal Court Dismisses Shareholder Derivative Suit Concerning Lack of Board Diversity; California Federal Court Dismisses Shareholder Class Action Against Sorrento Therapeutics Regarding COVID-19 Treatment; Delaware...more

Mayer Brown Free Writings + Perspectives

Ninth Circuit Affirms Dismissal in Stock-Drop Lawsuit, Citing Shareholder’s “Implausible” Scienter Theory

On June 10, 2020, the US Court of Appeals for the Ninth Circuit affirmed the dismissal of a putative securities fraud class action against Endologix, Inc., a medical device company, on the grounds that the shareholder’s core...more

Skadden, Arps, Slate, Meagher & Flom LLP

Ninth Circuit Holds That Courts Should Scrutinize Economic Plausibility of Securities Fraud Complaints in Evaluating Scienter

On June 10, 2020, the Ninth Circuit affirmed the dismissal of a putative securities fraud class action in a potentially significant decision for securities defendants, particularly those in the pharmaceutical, biotech and...more

A&O Shearman

Southern District Of New York Dismisses Putative Class Action Against Pharmaceutical Company For Failure To Adequately Allege...

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On March 28, 2019, Judge William H. Pauley of the United States District Court for the Southern District of New York granted a motion to dismiss a putative securities class action asserting claims under the Securities...more

A&O Shearman

Southern District Of New York Pares Claims In Putative Class Action Against Pharmaceutical Company

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On March 29, 2019, Judge J. Paul Oetken of the United States District Court for the Southern District of New York partially granted a motion to dismiss claims under the Securities Exchange Act of 1934 and Rule 10b-5...more

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