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IP Verse

Portland Limestone Calcined Clay Cement - EP2429966

The patent EP2429966 was granted to Aalborg Portland on Oct 3, 2018. The application was originally filed on Apr 9, 2010 under application number EP10713336A. The patent is currently recorded with a legal status of "Revoked".

EP2429966

AALBORG PORTLAND
Application Number
EP10713336A
Filing Date
Apr 9, 2010
Status
Revoked
Jun 7, 2024
Publication Date
Oct 3, 2018
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

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HOLCIM TECHNOLOGYJul 3, 2019KESCHMANN -
HEIDELBERGCEMENTJul 1, 2019ZELLENTIN & PARTNER MBB PATENTANWALTE -

Patent Citations (11) New

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

Citation PhasePublication Number
DESCRIPTIONEP0640062
DESCRIPTIONEP0895972
DESCRIPTIONUS1521967
DESCRIPTIONUS4737191
DESCRIPTIONUS5626665
DESCRIPTIONUS6030447
INTERNATIONAL-SEARCH-REPORTUS1521967
INTERNATIONAL-SEARCH-REPORTUS4737191
INTERNATIONAL-SEARCH-REPORTWO2007057510
INTERNATIONAL-SEARCH-REPORTWO8902878
OPPOSITIONUS5584926

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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