Patent No. EP3359572 (titled "Method For Treating Multiple Sclerosis") was filed by F Hoffmann LA Roche on Oct 6, 2016. The application was issued on Nov 27, 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 |
|---|---|---|
| ABEL & IMRAY | Aug 27, 2025 | ABEL & IMRAY |
| ELKINGTON AND FIFE | Aug 27, 2025 | ELKINGTON AND FIFE |
| GRUNECKER PATENT UND RECHTSANWALTE PARTG MBB | Aug 27, 2025 | GRUNECKER PATENT |
| HEXAL | Aug 27, 2025 | HOFFMANN EITLE |
| STRAWMAN | Aug 27, 2025 | HOFFMANN EITLE |
| POLPHARMA BIOLOGICS | Aug 26, 2025 | WICHMANN |
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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