EP3950905

IDEMITSU KOSAN CO., LTD.
Application Number
EP20784748A
Filing Date
Mar 25, 2020
Status
Granted And Under Opposition
Dec 15, 2023
Grant Date
Jan 17, 2024
External Links
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Biblio Summary

The patent EP3950905B1 was granted on Jan 17, 2024 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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AFTON CHEMICAL CORPORATIONOct 15, 2024ADMISSIBLE

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

Patent NumberTitleGrant DateOpposition Count
EP2578636Polycarbonate Resin Composition And Molded Polycarbonate ResinJun 22, 20221
EP3279298Lubricating Oil Composition And Method For Reducing Friction In Internal Combustion EnginesMar 16, 20221
EP3070126Aromatic Polycarbonate Resin MoldingMay 6, 20201