Patent No. EP2134702 (titled "Crystalline Forms Of 6-[2-(Methylcarbamoyl)Phenylsulfanyl]-3-E-[2-(Pyridin-2-Yl)Ethenyl]Indazole Suitable For The Treatment Of Abnormal Cell Growth In Mammals") was filed by Pfizer on Mar 25, 2008. The application was issued on Aug 30, 2023.

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 PHARMACEUTICALS | Feb 27, 2018 | 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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