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Method For Producing Polyolefin

PatentPatent Analysis

EP3231817

SUMITOMO CHEMICAL
Application Number
EP17165842A
Filing Date
Apr 10, 2017
Status
Opposition Rejected
Feb 4, 2022
Grant Date
Jun 5, 2019
External Links
Slate, Register, Google Patents
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The patent EP3231817B1 was granted to Sumitomo Chemical on Jun 5, 2019 following the initial filing on Apr 10, 2017 under the application number EP17165842A . The current legal status of the patent is Opposition Rejected.

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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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WR GRACE & CONNMar 2, 2020ADMISSIBLE

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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