Patent No. EP2144613 (titled "Methods Of Altering Bone Growth By Administration Of Sost Or Wise Antagonist Or Agonist") was filed by Ossifi MAB on Dec 21, 2007. The application was issued on Mar 21, 2018.

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 |
|---|---|---|
| UCB BIOPHARMA | Dec 21, 2018 | J A KEMP |
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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