Patent No. EP2854831 (titled "Manufacture Of Degarelix") was filed by Ferring on May 31, 2013. The application was issued on Jul 10, 2024.

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 |
|---|---|---|
| ACCORD HEALTHCARE | Apr 10, 2025 | BRAND MURRAY FULLER |
| GRAF VON STOSCH PATENTANWALTSGESELLSCHAFT | Apr 10, 2025 | LEPTHIEN |
| ZIMMERMANN & PARTNER PATENTANWALTE MBB | Apr 10, 2025 | ZIMMERMANN & PARTNER PATENTANWALTE MBB |
| KRAUS & LEDERER PARTGMBB | Mar 24, 2025 | KRAUS & LEDERER PARTGMBB |
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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