Patent No. EP2270048 (titled "Anti-Ngf Antibodies And Methods Using Same") was filed by Rinat Neuroscience on Dec 24, 2003. The application was issued on Nov 11, 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 |
|---|---|---|
| TEVA PHARMACEUTICAL INDUSTRIES LTD | Oct 21, 2020 | CARPMAELS & RANSFORD |
| JAMES POOLE | Aug 11, 2016 | CARPMAELS & RANSFORD |
| NEXVET AUSTRALIA | Aug 11, 2016 | CARPMAELS & RANSFORD |
| REGENERON PHARMACEUTICALS | Aug 10, 2016 | CARPMAELS & RANSFORD |
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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