Justices Won't Review Merck's Immunity From Vaccine Claims

By Matthew Perlman · October 20, 2025, 9:43 AM EDT

The U.S. Supreme Court refused Monday to review a decision immunizing Merck & Co. from claims that it blocked competition by making false submissions to federal regulators for its mumps vaccine....

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Case Information

Case Title

In re: Merck Mumps Vaccine Antitrust Litigation

Case Number

23-3089

Court

Appellate - 3rd Circuit

Nature of Suit

3410 Antitrust

Date Filed

November 27, 2023


Case Title

Chatom Primary Care, P.C., et al., Applicants v. Merck & Co., Inc.

Case Number

24A1070

Court

Supreme Court

Nature of Suit

3410 Antitrust

Date Filed

May 05, 2025


Case Title

Chatom Primary Care, P.C., et al., Petitioners v. Merck & Co., Inc.

Case Number

25-45

Court

Supreme Court

Nature of Suit

3410 Antitrust

Date Filed

July 14, 2025