Patent No. EP4212152 (titled "Sacubitril-Valsartan Dosage Regimen For Treating Heart Failure") was filed by Novartis on May 9, 2016. The application was issued on Apr 30, 2025.
A dosage regimen for the treatment of chronic systolic heart failure with reduced ejection fraction in a human patient. The regimen involves initiating therapy with a sacubitril and valsartan combination in a 1:1 molar ratio, with the starting dose being 50 mg of sacubitril and valsartan in a 1:1 molar ratio. The therapy is titrated over 12 weeks to achieve and maintain a target dose of 200 mg twice daily. The regimen is further extended to a target dose of 200 mg twice daily after 4 weeks of titration.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative |
|---|---|---|
| TEVA PHARMACEUTICALS | Nov 21, 2025 | D YOUNG |
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