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IP Verse

Silica Based Salt Solution Delivery System - EP2983509

The patent EP2983509 was granted to Evonik Degussa on Nov 21, 2018. The application was filed on Mar 14, 2014 under application number EP14721098A. The patent is currently recorded with a legal status of "Revoked".

EP2983509

EVONIK DEGUSSA
Application Number
EP14721098A
Filing Date
Mar 14, 2014
Status
Revoked
Oct 22, 2021
Publication Date
Nov 21, 2018
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
OMYAAug 20, 2019MAIWALD -

Patent Citations (7) New

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

Citation PhasePublication Number
EXAMINATIONUS2012322893
INTERNATIONAL-SEARCH-REPORTEP0937755
INTERNATIONAL-SEARCH-REPORTGB1588405
INTERNATIONAL-SEARCH-REPORTUS2010028496
INTERNATIONAL-SEARCH-REPORTUS2011082040
OPPOSITIONUS2011082040
OPPOSITIONUS2994642

Dossier Documents

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