EP3815688

CHUGAI SEIYAKU KABUSHIKI KAISHA
Application Number
EP19826841A
Filing Date
Jun 28, 2019
Status
Granted And Under Opposition
Nov 3, 2023
Grant Date
Dec 6, 2023
External Links
Slate, Register

Biblio Summary

The patent EP3815688B1 was granted on Dec 6, 2023 by Chugai Seiyaku Kabushiki Kaisha The patent is currently Granted And Under Opposition.

The table below shows 2 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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SANDOZSep 6, 2024ADMISSIBLE
TEVASep 4, 2024ADMISSIBLE

The table below shows the patents of Chugai Seiyaku Kabushiki Kaisha that have been opposed by other companies.

Patent NumberTitleGrant DateOpposition Count
EP3296395Multiple Antigen Binding Molecular Fusion, Pharmaceutical Composition, Method For Identifying Linear Epitope, And Method For Preparing Multiple Antigen Binding Molecular FusionJun 19, 20241
EP2679681Fc Riib-Specific Fc AntibodyNov 15, 20231
EP3320773Non-Human Animal Having Human Cd3 Gene Substituted For Endogenous Cd3 GeneOct 11, 20231