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IP Verse

Polyolefin Production With Chromium-Based Catalysts - EP3188834

The patent EP3188834 was granted to Univation on Feb 17, 2021. The application was filed on Sep 1, 2015 under application number EP15760621A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3188834

UNIVATION
Application Number
EP15760621A
Filing Date
Sep 1, 2015
Status
Granted And Under Opposition
Jan 15, 2021
Publication Date
Feb 17, 2021
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
CHEVRON PHILLIPS CHEMICAL LPNov 15, 2021PRIVETTADMISSIBLE

Patent Citations (16) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS2003232715
INTERNATIONAL-SEARCH-REPORTUS2006155081
INTERNATIONAL-SEARCH-REPORTUS2010291334
INTERNATIONAL-SEARCH-REPORTUS2012041160
INTERNATIONAL-SEARCH-REPORTUS2014179882
OPPOSITIONEP2004704
OPPOSITIONUS2003232715
OPPOSITIONUS2004167015
OPPOSITIONUS2005037917
OPPOSITIONUS2006155081
OPPOSITIONUS2010291334
OPPOSITIONUS2012041160
OPPOSITIONUS2014179882
OPPOSITIONUS4735931
OPPOSITIONUS7803324
OPPOSITIONUS8399580

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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