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IP Verse

Lubricating Oil Composition - EP3109299

The patent EP3109299 was granted to Idemitsu Kosan on Jun 12, 2019. The application was filed on Feb 16, 2015 under application number EP15748821A. The patent is currently recorded with a legal status of "Revoked".

EP3109299

IDEMITSU KOSAN
Application Number
EP15748821A
Filing Date
Feb 16, 2015
Status
Revoked
Jul 1, 2022
Publication Date
Jun 12, 2019
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
AFTON CHEMICALMar 11, 2020J A KEMP -

Patent Citations (21) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2001288488
INTERNATIONAL-SEARCH-REPORTJP2006152304
INTERNATIONAL-SEARCH-REPORTJP2011012213
INTERNATIONAL-SEARCH-REPORTJP2011140607
INTERNATIONAL-SEARCH-REPORTWO2011037054
INTERNATIONAL-SEARCH-REPORTWO2013137258
OPPOSITIONEP0351964
OPPOSITIONEP1803793
OPPOSITIONEP1903093
OPPOSITIONEP1918356
OPPOSITIONEP2246412
OPPOSITIONEP2481790
OPPOSITIONEP2826846
OPPOSITIONJP2000355695
OPPOSITIONJP2001288488
OPPOSITIONUS4795583
OPPOSITIONUS5035824
OPPOSITIONUS6103673
OPPOSITIONWO2008076825
OPPOSITIONWO2010151514
OPPOSITIONWO2013137258

Dossier Documents

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