Patent No. EP3009143 (titled "Progranulin For Use In Treating Parkinson'S Disease Or Alzheimer'S Disease") was filed by Neurodyn Life Sciences on Jan 16, 2009. The application was issued on Oct 3, 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 |
|---|---|---|
| CMS CAMERON MCKENNA NABARRO OLSWANG | Jul 3, 2019 | CMS CAMERON MCKENNA NABARRO OLSWANG |
| MATHYS & SQUIRE | Jul 2, 2019 | WILDING |
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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