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Prolonged Release Dosage Form Of Tapentadol L-(+)- Tartaric Acid Salt - EP3995135
The patent EP3995135 was granted to Grnenthal on Jul 13, 2022. The application was originally filed on Nov 10, 2020 under application number EP20206800A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
EP3995135
- Application Number
- EP20206800A
- Filing Date
- Nov 10, 2020
- Status
- Granted And Under Opposition
- Jun 10, 2022
- Publication Date
- Jul 13, 2022
- External Links
- Slate, Register, Google Patents
Patent Summary
Patent Family
Patent Oppositions (2)
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.
Patent Citations (19) New
Patent citations refer to prior patents cited during different phases such as opposition or international search.
Dossier Documents
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.
Date
Description
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