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Ethylene Polymers And Ethylene Copolymers For Blown Films

PatentPatent Analysis

EP3538572

CHEVRON PHILLIPS CHEMICAL LP
Application Number
EP17863295A
Filing Date
Nov 6, 2017
Status
Granted And Under Opposition
Nov 27, 2020
Grant Date
Dec 30, 2020
External Links
Slate, Register, Google Patents
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Biblio Summary

The patent EP3538572B1 was granted to Chevron Phillips Chemical LP on Dec 30, 2020 following the initial filing on Nov 6, 2017 under the application number EP17863295A . 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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THE DOW CHEMICALSep 30, 2021ADMISSIBLE
TOTALENERGIES ONETECH BELGIUMSep 30, 2021ADMISSIBLE
BOREALISSep 29, 2021ADMISSIBLE

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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