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IP Verse

Method For Manufacturing Spheroidal Alumina Particles - EP2794487

The patent EP2794487 was granted to IFP Energies Nouvelles on Mar 17, 2021. The application was filed on Nov 16, 2012 under application number EP12813899A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2794487

IFP ENERGIES NOUVELLES
Application Number
EP12813899A
Filing Date
Nov 16, 2012
Status
Opposition Rejected
Mar 28, 2025
Publication Date
Mar 17, 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
SASOL GERMANYDec 17, 2021MULLER SCHUPFNER & PARTNER PATENT UND HAMBURGADMISSIBLE
SASOL GERMANYDec 17, 2021MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB HAMBURGADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
DESCRIPTIONEP0001023
DESCRIPTIONFR1503495
DESCRIPTIONUS2422499
INTERNATIONAL-SEARCH-REPORTEP0001023
INTERNATIONAL-SEARCH-REPORTEP0090994
INTERNATIONAL-SEARCH-REPORTEP2361885
INTERNATIONAL-SEARCH-REPORTFR1503495
INTERNATIONAL-SEARCH-REPORTGB1152443
INTERNATIONAL-SEARCH-REPORTGB2189780
INTERNATIONAL-SEARCH-REPORTUS4179408
OPPOSITIONFR1103998
OPPOSITIONGB1119589
OPPOSITIONGB2134536
OPPOSITIONUS3558508
OPPOSITIONUS4179408
OPPOSITIONUS4315839
OPPOSITIONUS4514511
OPPOSITIONUS4542113
OPPOSITIONWO2013093221

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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