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HOYU CO LTD PATENTS FACING OPPOSITIONS
Top patents of HOYU CO LTD facing oppositions at the European Patent Office (EPO)
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Patent Number
Grant Date
Patent Title
Expected Expiration Date
Facing Oppositions
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EP3272397B1
28 Aug, 2019
Agent For Oxidative Hair Dye And Method For Stabilizing Color Tone Of Oxidative Hair Dye Composition
Jul, 2037
2