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IP Verse

Methods For Controlling Dual Catalyst Olefin Polymerizations - EP2897993

The patent EP2897993 was granted to Chevron Phillips Chemical LP on Mar 29, 2023. The application was filed on Sep 16, 2013 under application number EP13766865A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2897993

CHEVRON PHILLIPS CHEMICAL LP
Application Number
EP13766865A
Filing Date
Sep 16, 2013
Status
Opposition Rejected
Sep 5, 2025
Publication Date
Mar 29, 2023
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 19, 2023DE CLERCQ & PARTNERSADMISSIBLE

Patent Citations (8) New

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

Citation PhasePublication Number
EXAMINATIONUS4530914
INTERNATIONAL-SEARCH-REPORTEP1669373
INTERNATIONAL-SEARCH-REPORTUS2007060722
OPPOSITIONUS2005159300
OPPOSITIONUS2007043182
OPPOSITIONUS2012010375
OPPOSITIONUS7619047
OPPOSITIONWO2007101047

Dossier Documents

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    Description

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