Patent No. EP3777834 (titled "Syringe") was filed by Novartis on May 30, 2013. The application was issued on Feb 16, 2022.

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 |
|---|---|---|
| HAMM & WITTKOPP | Nov 16, 2022 | HAMM & WITTKOPP |
| WESS | Nov 16, 2022 | SSM SANDMAIR |
| EHLERS | Nov 15, 2022 | EISENFUHR SPEISER |
| STRAWMAN | Nov 15, 2022 | HOFFMANN EITLE |
| KEIL & SCHAAFHAUSEN PATENTANWALTE PARTGMBB | Nov 14, 2022 | KEIL & SCHAAFHAUSEN PATENTANWALTE PARTGMBB |
| TEVA PHARMACEUTICALS | Nov 4, 2022 | 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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