Prolonged Release Dosage Form Of Tapentadol L-(+)- Tartaric Acid Salt

Patent No. EP3995135 (titled "Prolonged Release Dosage Form Of Tapentadol L-(+)- Tartaric Acid Salt") was filed by Grnenthal on Nov 10, 2020. The application was issued on Jul 13, 2022.

Patent Summary

Tablet providing a prolonged release of tapentadol, where tapentadol is in the form of a salt with tartaric acid, in particular L-(+)-tartaric acid. The tablet is made by applying a compressive force to a powder and consolidating the powder into a compacted form in the die of a press.

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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.

CompanyOpposition DateRepresentative
SANDOZSep 30, 2022KRAUS & LEDERER PARTGMBB
INSUD PHARMA SLJul 13, 2022AERA

Dossier Documents

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EP3995135

GRNENTHAL
Application Number
EP20206800A
Filing Date
Nov 10, 2020
Status
Granted And Under Opposition
Jun 10, 2022
Publication Date
Jul 13, 2022