EP3722477

MITSUI CHEMICALS
Application Number
EP19740472A
Filing Date
Feb 18, 2019
Status
Granted And Under Opposition
Mar 25, 2022
Grant Date
Apr 27, 2022
External Links
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The patent EP3722477B1 was granted to Mitsui Chemicals on Apr 27, 2022 following the initial filing on Feb 18, 2019 under the application number EP19740472A . The current legal status of the patent is Granted And Under Opposition.

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Patent Oppositions

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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REIFENHAUSER MASCHINENFABRIKJan 25, 2023WITHDRAWN

Dossier Documents

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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