Patent No. EP2209491 (titled "Molecules And Methods For Modulating Low-Density-Lipoprotein Receptor-Related Protein 6 (Lrp6)") was filed by Novartis on Oct 31, 2008. The application was issued on Oct 28, 2015.

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 |
|---|---|---|
| MERCK PATENT | Jul 28, 2016 | - |
| BOEHRINGER INGELHEIM | Jul 27, 2016 | D YOUNG |
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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