EP2154231

IDEMITSU KOSAN CO., LTD.
Application Number
EP08738771A
Filing Date
Mar 24, 2008
Status
Granted And Under Opposition
Jan 19, 2018
Grant Date
Feb 21, 2018
External Links
Slate, Register

Biblio Summary

The patent EP2154231B1 was granted on Feb 21, 2018 by Idemitsu Kosan Co., Ltd. The patent is currently Granted And Under Opposition.

The table below shows 1 patent oppositions filed on the patent at EPO, listing each opposing company and filing date. Tracking these filings indicates that the applicant is active in this industry, while opposing companies may be signaling their own interest in competing within the same space. These disputes are essential for insights into competitor actions, patent strategy and emerging technological trends.

CompanyOpposition DateOpposition Status

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INFINEUM INTERNATIONAL LIMITEDNov 21, 2018 N.A.

The table below shows the patents of Idemitsu Kosan Co., Ltd. that have been opposed by other companies.

Patent NumberTitleGrant DateOpposition Count
EP3950905Lubricating Oil CompositionJan 17, 20241
EP2578636Polycarbonate Resin Composition And Molded Polycarbonate ResinJun 22, 20221
EP3279298Lubricating Oil Composition And Method For Reducing Friction In Internal Combustion EnginesMar 16, 20221