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IP Verse

Heat Management In Ethylene Oligomerization - EP2646401

The patent EP2646401 was granted to Nova Chemicals on Jan 13, 2021. The application was filed on Nov 7, 2011 under application number EP11845051A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2646401

NOVA CHEMICALS
Application Number
EP11845051A
Filing Date
Nov 7, 2011
Status
Patent Maintained As Amended
Dec 11, 2020
Publication Date
Jan 13, 2021
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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
LINDEAug 1, 2018DEHNS GERMANY PARTNERSCHAFT MBBADMISSIBLE
SASOL SOUTH AFRICA PROPRIETARYAug 1, 2018HOFFMANN EITLEADMISSIBLE

Patent Citations (16) New

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

Citation PhasePublication Number
DESCRIPTIONWO2009060342
INTERNATIONAL-SEARCH-REPORTUS2010081777
INTERNATIONAL-SEARCH-REPORTUS2010081842
INTERNATIONAL-SEARCH-REPORTUS2010268006
OPPOSITIONDE4338414
OPPOSITIONEP0072165
OPPOSITIONEP1242464
OPPOSITIONEP1464655
OPPOSITIONUS2010081777
OPPOSITIONUS2010081842
OPPOSITIONUS2010268006
OPPOSITIONUS2474592
OPPOSITIONUS4328973
OPPOSITIONUS7745552
OPPOSITIONWO2009060342
SEARCHWO2009060342

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.

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    Description

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