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IP Verse

Solid Preparation Containing Alkyl Cellulose And Method For Producing The Same - EP3216463

The patent EP3216463 was granted to Shin Etsu Chemical on Dec 23, 2020. The application was originally filed on Feb 27, 2017 under application number EP17158254A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3216463

SHIN ETSU CHEMICAL
Application Number
EP17158254A
Filing Date
Feb 27, 2017
Status
Opposition Rejected
Sep 15, 2023
Publication Date
Dec 23, 2020
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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 DateRepresentativeOpposition Status
DUPONT NUTRITION BIOSCIENCES APSSep 22, 2021F & E PATENTADMISSIBLE

Patent Citations (7) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONJP2010254756
DESCRIPTIONJPH06316535
DESCRIPTIONWO2011065350
OPPOSITIONWO2006007354
OPPOSITIONWO2014168914
SEARCHEP2907508
SEARCHEP3011956

Dossier Documents

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    Description

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