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IP Verse

Signal Detection And Blocking For Voice Processing Equipment - EP2286576

The patent EP2286576 was granted to Semafone on Aug 3, 2022. The application was filed on May 8, 2009 under application number EP09742359A. The patent is currently recorded with a legal status of "Revoked".

EP2286576

SEMAFONE
Application Number
EP09742359A
Filing Date
May 8, 2009
Status
Revoked
Jan 24, 2025
Publication Date
Aug 3, 2022
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
ECKOH ECKOH UKMar 15, 2023DENTONS UK AND MIDDLE EASTADMISSIBLE
PCI PAL UKMar 15, 2023DUMMETT COPPWITHDRAWN

Patent Citations (22) New

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

Citation PhasePublication Number
EXAMINATIONUS2004193897
EXAMINATIONUS2006050658
INTERNATIONAL-SEARCH-REPORTFR2783992
INTERNATIONAL-SEARCH-REPORTUS5177785
OPPOSITIONEP0568240
OPPOSITIONGB2290193
OPPOSITIONUS2004101128
OPPOSITIONUS2004193897
OPPOSITIONUS2005174987
OPPOSITIONUS2005246242
OPPOSITIONUS2006045255
OPPOSITIONUS2006050658
OPPOSITIONUS2008011823
OPPOSITIONUS6430271
OPPOSITIONUS6862343
OPPOSITIONUS7113580
OPPOSITIONUS7142658
OPPOSITIONWO2007122617
OPPOSITIONWO2008073057
OPPOSITIONWO2008076772
OPPOSITIONWO2008076776
OTHERUS2004193897

Dossier Documents

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    Description

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