Patent No. EP2858985 (titled "Crystalline Forms Of An Androgen Receptor Modulator") was filed by Aragon Pharmaceuticals on Jun 4, 2013. The application was issued on Apr 18, 2018.
Anti-androgen drug that suppresses both AR nuclear translocation and AR binding to androgen response elements in DNA. The drug inhibits both AR nuclear translocation and AR binding to androgen response elements in DNA.

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 |
|---|---|---|
| GENERICS UK | Jan 18, 2019 | TER MEER STEINMEISTER & PARTNER |
| LUIGI | Jan 18, 2019 | TER MEER STEINMEISTER & PARTNER |
| SAGITTARIUS | Jan 18, 2019 | SAGITTARIUS |
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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