Pharsight

KAO CORP patents facing oppositions

Top patents of KAO CORP facing oppositions at the European Patent Office (EPO).

Patent Number Grant Date Patent Title Expected Expiration Date Facing Oppositions Activity Alert
EP2883531B1 15 Jun, 2022 Bleaching and coloring composition for hair Dec, 2033 1
EP3684475B1 23 Mar, 2022 Hair dyeing method Sep, 2038 1
EP3684329B1 20 Oct, 2021 Powder composition comprising hair direct dyes Sep, 2038 1
EP3664774B1 01 Sep, 2021 Hair cosmetic Jul, 2038 1
EP3320891B1 07 Apr, 2021 Conditioning hair cosmetic composition based on amido cationic surfactant, fatty alcohol and silicone Jul, 2036 1
EP2204157B1 06 May, 2020 Two-part hairdye composition Oct, 2027 1