EP2578636

IDEMITSU KOSAN CO., LTD.
Application Number
EP11786729A
Filing Date
May 26, 2011
Status
Patent Maintained As Amended
May 20, 2022
Grant Date
Jun 22, 2022
External Links
Slate, Register

Biblio Summary

The patent EP2578636B2 was granted on Jun 22, 2022 by Idemitsu Kosan Co., Ltd. The patent is currently Patent Maintained As Amended.

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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SABIC GLOBAL TECHNOLOGIES B.V. / SABIC INNOVATIVE PLASTICS B.V.Nov 23, 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
EP3279298Lubricating Oil Composition And Method For Reducing Friction In Internal Combustion EnginesMar 16, 20221
EP3070126Aromatic Polycarbonate Resin MoldingMay 6, 20201

Dossier Documents of the Patent

The documents dossier of the patent at EPO including all essential records in the patent's lifecycle, from filing to grant to oppositions.