Patent No. EP2206728 (titled "Methods For Treating Bone Cancer Pain By Administering A Nerve Growth Factor Antagonistic Antibody") was filed by Regents OF The University OF Minnesota on Apr 7, 2005. The application was issued on Oct 10, 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 |
|---|---|---|
| REGENERON PHARMACEUTICALS | Dec 14, 2018 | MEWBURN ELLIS |
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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