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Lubricating Oil Composition And Method For Reducing Friction In Internal Combustion Engines - EP3279298

The patent EP3279298 was granted to Idemitsu Kosan on Mar 16, 2022. The application was filed on Mar 30, 2016 under application number EP16773066A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3279298

IDEMITSU KOSAN
Application Number
EP16773066A
Filing Date
Mar 30, 2016
Status
Granted And Under Opposition
Feb 11, 2022
Publication Date
Mar 16, 2022
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 CHEMICALDec 15, 2022J A KEMPADMISSIBLE

Patent Citations (26) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2000192068
INTERNATIONAL-SEARCH-REPORTJP2001158897
INTERNATIONAL-SEARCH-REPORTJP2012193386
INTERNATIONAL-SEARCH-REPORTJPH05279686
INTERNATIONAL-SEARCH-REPORTJPH07150169
INTERNATIONAL-SEARCH-REPORTJPH08176579
INTERNATIONAL-SEARCH-REPORTJPH08209178
INTERNATIONAL-SEARCH-REPORTUS6855675
OPPOSITIONEP3087165
OPPOSITIONKR20100049350
OPPOSITIONUS2006068999
OPPOSITIONUS2010144568
OPPOSITIONUS2014051616
OPPOSITIONUS4178258
OPPOSITIONUS4479883
OPPOSITIONUS4612110
OPPOSITIONUS5627146
OPPOSITIONUS6245725
OPPOSITIONUS6268316
OPPOSITIONUS6562765
OPPOSITIONWO2012141855
SEARCHUS2006068999
SEARCHUS2006116299
SEARCHUS2010069273
SEARCHUS6444624
SEARCHWO2015099820

Dossier Documents

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