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IP Verse

Process For Polymerizing Olefins In The Gas-Phase - EP3723898

The patent EP3723898 was granted to Basell Polyolefine on May 5, 2021. The application was originally filed on Feb 4, 2019 under application number EP19702283A. The patent is currently recorded with a legal status of "Revoked".

EP3723898

BASELL POLYOLEFINE
Application Number
EP19702283A
Filing Date
Feb 4, 2019
Status
Revoked
Aug 8, 2025
Publication Date
May 5, 2021
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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

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BOREALISFeb 4, 2022KADOR & PARTNER PART MBBADMISSIBLE
THE DOW CHEMICALFeb 3, 2022BECK GREENERADMISSIBLE
WR GRACE & CONNFeb 3, 2022UEXKULL & STOLBERGADMISSIBLE

Patent Citations (23) New

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

Citation PhasePublication Number
DESCRIPTIONWO0002929
DESCRIPTIONWO2004106388
DESCRIPTIONWO2007071527
DESCRIPTIONWO2012031986
DESCRIPTIONWO2013083548
DESCRIPTIONWO9704015
DESCRIPTIONWO9854231
INTERNATIONAL-SEARCH-REPORTEP2602269
INTERNATIONAL-SEARCH-REPORTEP2722347
INTERNATIONAL-SEARCH-REPORTWO9704015
OPPOSITIONCN105254782
OPPOSITIONEP2602269
OPPOSITIONEP2722347
OPPOSITIONUS2004072971
OPPOSITIONUS2011054127
OPPOSITIONUS3485476
OPPOSITIONUS5191062
OPPOSITIONUS5990250
OPPOSITIONUS6689845
OPPOSITIONUS8198383
OPPOSITIONWO0002929
OPPOSITIONWO2007071527
OPPOSITIONWO9704015

Dossier Documents

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    Description

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