Patent No. EP4321157 (titled "New Use Of A Combination Of An Angiotensin Receptor Blocker (Arb) With A Neutral Endopeptidase Inhibitor (Nepi)") was filed by Novartis on Aug 26, 2014. The application was issued on Oct 23, 2024.
A medicament for preventing or delaying cardiovascular mortality and hospitalizations in patients with chronic systolic heart failure, comprising a therapeutically effective amount of an Angiotensin Receptor Neprilysin inhibitor (ARNi) or a combination of an Angiotensin Receptor Blocker (ARB) with a Neutral Endopeptidase inhibitor (NEPi) pro-drug in a 1:1 molar ratio. The medicament significantly reduces the risk of cardiovascular death and hospitalization for heart failure compared to standard ACE inhibitor therapy in patients with reduced ejection fraction.

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 |
|---|---|---|
| ALFRED E TIEFENBACHER | Jul 23, 2025 | HAMM & WITTKOPP |
| BETAPHARM ARZNEIMITTEL | Jul 23, 2025 | HAMM & WITTKOPP |
| HAMM & WITTKOPP | Jul 23, 2025 | HAMM & WITTKOPP |
| KRKA | Jul 23, 2025 | HOFFMANN EITLE |
| LANYON OPPOSITIONS | Jul 23, 2025 | PINSENT MASONS |
| POLPHARMA | Jul 23, 2025 | HAMM & WITTKOPP |
| WUESTHOFF & WUESTHOFF | Jul 23, 2025 | SONNENHAUSER |
| HAMM & WITTKOPP | Jul 23, 2025 | HAMM & WITTKOPP |
| BULLE DR | Jul 22, 2025 | KUTZENBERGER WOLFF & PARTNER |
| TEVA PHARMACEUTICALS | Jul 22, 2025 | D YOUNG |
| DEVA HOLDING | Jul 22, 2025 | - |
| CAMULON | Jul 21, 2025 | REDDIE & GROSE |
| ELPEN PHARMACEUTICAL | Jul 21, 2025 | HASELTINE LAKE KEMPNER |
| EGIS | Jul 18, 2025 | STOLMAR & PARTNER |
| DR SCHON | Jul 16, 2025 | DR SCHON |
| SYNTHON | Jul 14, 2025 | HOFFMANN EITLE |
| GENERICS UK | Jul 1, 2025 | ELKINGTON AND FIFE |
| ZENTIVA KS | Jun 25, 2025 | GREINER |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
Get instant alerts for new documents
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 4, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Feb 2, 2026
Jan 28, 2026
Jan 28, 2026
Jan 28, 2026
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 10, 2025
Nov 10, 2025
Nov 10, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 26, 2025
Sep 22, 2025
Sep 22, 2025
Sep 22, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 5, 2025
Sep 5, 2025
Sep 5, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 18, 2025
Aug 8, 2025
Aug 8, 2025
Aug 8, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Aug 4, 2025
Jul 29, 2025
Jul 29, 2025
Jul 29, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 25, 2025
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 18, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 16, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 8, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jul 1, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Jun 25, 2025
Nov 6, 2024
Sep 26, 2024
Sep 12, 2024
Aug 12, 2024
Aug 7, 2024
Aug 7, 2024
Aug 7, 2024
Aug 7, 2024
Aug 6, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 3, 2024
May 21, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 2, 2024
May 1, 2024
Apr 16, 2024
Apr 16, 2024
Apr 16, 2024
Apr 16, 2024
Mar 22, 2024
Jan 17, 2024
Jan 4, 2024
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Nov 3, 2023
Oct 26, 2023
Oct 23, 2023
Oct 23, 2023
Oct 16, 2023
Oct 16, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Nov 18, 2019
Apr 5, 2016
Mar 23, 2015
Mar 23, 2015