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Polyethylene Compositions, Films, And Articles - EP4284644

The patent EP4284644 was granted to DOW on Mar 5, 2025. The application was filed on Dec 9, 2021 under application number EP21848327A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4284644

DOW
Application Number
EP21848327A
Filing Date
Dec 9, 2021
Status
Granted And Under Opposition
Jan 31, 2025
Publication Date
Mar 5, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

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.

CompanyOpposition DateRepresentativeOpposition Status
TOTALENERGIES ONETECHDec 5, 2025GEVERS PATENTSADMISSIBLE

Patent Citations (23) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONUS3645992
DESCRIPTIONUS3914342
DESCRIPTIONUS4076698
DESCRIPTIONUS4314912
DESCRIPTIONUS4547475
DESCRIPTIONUS4599392
DESCRIPTIONUS4612300
DESCRIPTIONUS5272236
DESCRIPTIONUS5278272
DESCRIPTIONUS5582923
DESCRIPTIONUS5733155
DESCRIPTIONUS5854045
DESCRIPTIONUS9688795
DESCRIPTIONWO2017040127
INTERNATIONAL-SEARCH-REPORTUS2018079897
INTERNATIONAL-SEARCH-REPORTWO2019133400
OPPOSITIONWO2014089671
OPPOSITIONWO2017040127
OPPOSITIONWO2018193328
OPPOSITIONWO2019070440
OPPOSITIONWO2020012313
OPPOSITIONWO2020198195
OPPOSITIONWO2020243487

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

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