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IP Verse

Refractory Composition And Process For Forming Article Therefrom - EP2550243

The patent EP2550243 was granted to Stellar Materials on Dec 18, 2019. The application was filed on Mar 22, 2011 under application number EP11760064A. The patent is currently recorded with a legal status of "Revoked".

EP2550243

STELLAR MATERIALS
Application Number
EP11760064A
Filing Date
Mar 22, 2011
Status
Revoked
May 26, 2023
Publication Date
Dec 18, 2019
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
REFRATECHNIK HOLDINGSep 18, 2020DR SOLF & ZAPF PATENT UND RECHTSANWALTS PARTG MBBADMISSIBLE
CHEMISCHE FABRIK BUDENHEIMSep 17, 2020WSL PATENTANWALTE PARTNERSCHAFT MBBADMISSIBLE

Patent Citations (40) New

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

Citation PhasePublication Number
EXAMINATIONCA1184374
EXAMINATIONDE3621021
EXAMINATIONDE69410864T
EXAMINATIONEP0247351
EXAMINATIONJPH03205372
EXAMINATIONUS4806168
EXAMINATIONUS6815386
INTERNATIONAL-SEARCH-REPORTJPS63274608
INTERNATIONAL-SEARCH-REPORTUS2003003039
INTERNATIONAL-SEARCH-REPORTUS4659690
INTERNATIONAL-SEARCH-REPORTUS5900382
OPPOSITIONCA1184374
OPPOSITIONDE2815094
OPPOSITIONDE3131434
OPPOSITIONDE3621021
OPPOSITIONDE4435411
OPPOSITIONDE69410864T
OPPOSITIONEP0100306
OPPOSITIONEP0247351
OPPOSITIONJPH03205372
OPPOSITIONJPS63274608
OPPOSITIONUS2003003039
OPPOSITIONUS3899342
OPPOSITIONUS4174226
OPPOSITIONUS4806168
OPPOSITIONUS6815386
OPPOSITIONWO2012006507
OTHERCA1184374
OTHERDE3621021
OTHERDE69410864T
OTHEREP0247351
OTHERJPH03205372
OTHERJPS63274608
OTHERUS2003003039
OTHERUS3445257
OTHERUS4806168
OTHERUS5066624
OTHERUS6815386
SEARCHJPS63274608
SEARCHUS2003003039

Dossier Documents

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