EP2883531

KAO CORPORATION
Application Number
EP13197052A
Filing Date
Dec 13, 2013
Status
Opposition Rejected
Aug 30, 2024
Grant Date
Jun 15, 2022
External Links
Slate, Register

Biblio Summary

The patent EP2883531B1 was granted on Jun 15, 2022 by Kao Corporation The patent is currently Opposition Rejected.

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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L'OREALMar 14, 2023ADMISSIBLE

The table below shows the patents of Kao Corporation that have been opposed by other companies.

Patent NumberTitleGrant DateOpposition Count
EP4049650Bleaching Composition For Keratin FibersNov 22, 20231
EP2324923Method For Preparing A CatalystAug 23, 20231
EP3733793Production Method For Pigment Aqueous DispersionMay 10, 20231

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.