Novartis Says Alexion's 'Block The Cause' Ads Are False

By Mike Curley · October 21, 2025, 1:16 PM EDT

Novartis Pharmaceuticals Corp. is suing rival Alexion Pharmaceuticals Inc. in Delaware federal court, alleging that Alexion's "Block the Cause" ad campaign for its Ultomiris product falsely implies that Novartis' own treatment...

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Case Information

Case Title

Novartis Pharmaceuticals Corporation v. Alexion Pharmaceuticals, Inc.

Case Number

1:25-cv-01269

Court

Delaware

Nature of Suit

Other Statutory Actions

Date Filed

October 17, 2025