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IP Verse

Signal Detection And Blocking For Voice Processing Equipment - EP3402177

The patent EP3402177 was granted to Semafone on Jul 7, 2021. The application was filed on May 8, 2009 under application number EP18164715A. The patent is currently recorded with a legal status of "Revoked".

EP3402177

SEMAFONE
Application Number
EP18164715A
Filing Date
May 8, 2009
Status
Revoked
Sep 1, 2023
Publication Date
Jul 7, 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
ECKOH ECKOH UKApr 7, 2022DENTONS UK AND MIDDLE EASTADMISSIBLE
PCI PAL UKApr 7, 2022DUMMETT COPPADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
OPPOSITIONEP0568240
OPPOSITIONGB2290193
OPPOSITIONGB808448
OPPOSITIONGB817841
OPPOSITIONUS2004101128
OPPOSITIONUS2004193897
OPPOSITIONUS2005174987
OPPOSITIONUS2005246242
OPPOSITIONUS2006045255
OPPOSITIONUS2006050658
OPPOSITIONUS2008011823
OPPOSITIONUS6430271
OPPOSITIONUS6862343
OPPOSITIONUS7113580
OPPOSITIONUS7142658
OPPOSITIONWO2007122617
OPPOSITIONWO2008073057
OPPOSITIONWO2008076776
SEARCHUS2006050658

Dossier Documents

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    Description

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