Patent No. EP3335708 (titled "Administration Of Gamma Hydroxybutyrate With Monocarboxylate Transporters") was filed by Jazz Pharmaceuticals Ireland on Feb 28, 2014. The application was issued on Dec 11, 2019.

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 |
|---|---|---|
| TER MEER STEINMEISTER & PARTNER PATENTANWALTE MBB | Sep 11, 2020 | TER MEER STEINMEISTER & PARTNER |
| HEXAL | Sep 10, 2020 | MAIWALD |
| ZENTIVA | Sep 2, 2020 | GREINER |
| HOFFMANN EITLE | Mar 16, 2020 | HOFFMANN EITLE |
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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