EP2324923

KAO CORPORATION
Application Number
EP09813179A
Filing Date
Sep 10, 2009
Status
Patent Maintained As Amended
Jul 21, 2023
Grant Date
Aug 23, 2023
External Links
Slate, Register

Biblio Summary

The patent EP2324923B2 was granted on Aug 23, 2023 by Kao Corporation 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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JOHNSON MATTHEY PUBLIC LIMITED COMPANYMar 30, 2021ADMISSIBLE

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
EP3733793Production Method For Pigment Aqueous DispersionMay 10, 20231
EP2425720Concentrated Coffee ExtractNov 30, 20221