HISAMITSU PHARMACEUTICAL patents facing oppositions

Top patents of HISAMITSU PHARMACEUTICAL facing oppositions at the European Patent Office (EPO).

Patent Number Grant Date Patent Title Expected Expiration Date Facing Oppositions Activity Alert
EP2258355B1 22 Jan, 2020 Patch NA 1
EP1477189B1 19 Dec, 2018 Process for production of pressure-sensitive adhesive moldings comprising crosslinked polymers as the main component Jan, 2023 1