EP3199952

CHUGAI SEIYAKU KABUSHIKI KAISHA
Application Number
EP15843728A
Filing Date
Sep 24, 2015
Status
Granted And Under Opposition
Sep 30, 2022
Grant Date
Nov 2, 2022
External Links
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The patent EP3199952B1 was granted to Chugai Seiyaku Kabushiki Kaisha on Nov 2, 2022 following the initial filing on Sep 24, 2015 under the application number EP15843728A . The current legal status of the patent is Granted And Under Opposition.

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Patent Oppositions filed by Competitors

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

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MAIWALDAug 2, 2023ADMISSIBLE
WUESTHOFF & WUESTHOFF PATENTANWALTE PARTG MBBJul 26, 2023ADMISSIBLE

Dossier Documents of the Patent

The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.

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