Patent No. EP2295035 (titled "Dual-Acting Pharmaceutical Compositions Based On Superstructures Of Angiotensin Receptor Antagonist/Blocker (Arb) And Neutral Endopeptidase (Nep) Inhibitor") was filed by Novartis on Nov 4, 2008. The application was issued on May 18, 2016.

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 |
|---|---|---|
| GENERICS UK | Feb 20, 2017 | FRKELLY |
| HAMM&WITTKOPP PATENTANWÄLTE PARTMBB | Feb 20, 2017 | HAMM&WITTKOPP PATENTANWÄLTE PARTMBB |
| POLPHARMA | Feb 17, 2017 | BIRD & BIRD |
| TEVA PHARMACEUTICAL INDUSTRIES LTD | Feb 15, 2017 | GALLAGHER |
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.
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