Patent No. EP2377536 (titled "Methods Of Using Sustained Release Aminopyridine Compositions") was filed by Acorda Therapeutics on Apr 11, 2005. The application was issued on Aug 17, 2022.
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_COA_0000917/2025 | Dec 8, 2025 | Merz Pharmaceuticals, Merz Pharma France | Appeal |
| UPC_COA_0000906/2025 | Nov 13, 2025 | Viatris Sante | Appeal |
| UPC_CFI_697/2025 | Jul 31, 2025 | Merz Pharmaceuticals, Merz Pharma France | Provisional Measures |

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 |
|---|---|---|
| NEURAXPHARM ARZNEIMITTEL | Dec 6, 2013 | KONIGER |
| SYNTHON | Dec 6, 2013 | PRINS |
| ACTAVIS GROUP PTC EHF | Dec 5, 2013 | ELKINGTON AND FIFE |
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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