Pharsight

CHUGAI SEIYAKU KABUSHIKI KAISHA PATENTS FACING OPPOSITIONS

Top patents of CHUGAI SEIYAKU KABUSHIKI KAISHA facing oppositions at the European Patent Office (EPO).

Patent Number Grant Date Patent Title Expected Expiration Date Facing Oppositions Activity Alert
EP2261230B1 10 May, 2017 Protein purification method NA 7
EP2552955B1 Antibodies with modified affinity to fcrn that promote antigen clearance NA 6
EP2708559B1 28 Mar, 2018 Antigen-binding molecule capable of binding to two or more antigen molecules repeatedly NA 6
EP2708558B1 21 Mar, 2018 Antigen-binding molecule capable of binding to two or more antigen molecules repeatedly NA 5
EP2530091B1 04 Apr, 2018 Anti-dll3 antibody NA 3
EP3199952B1 02 Nov, 2022 Method for measuring reactivity of fviii NA 2
EP3050963B1 18 Sep, 2019 Process for production of polypeptide by regulation of assembly NA 2
EP2902029B1 Ret inhibitor NA 1
EP3320773B9 11 Oct, 2023 Non-human animal having human cd3 gene substituted for endogenous cd3 gene NA 1
EP2679681B2 07 Aug, 2019 Fc riib-specific fc antibody NA 1
EP2902489B9 13 Sep, 2017 Fgfr3 fusion gene and pharmaceutical drug targeting same NA 1