The weekly litigation news digest is live. Subscribe now

Semafone competitive analysis

Loading summary...

Explore Semafone's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Nov 20, 2025
Patent NumberPublication DateTitleTotal Oppositions
Sep 14, 2022Telephone Signal Processing2
Aug 3, 2022Signal Detection And Blocking For Voice Processing Equipment2
Jul 7, 2021Signal Detection And Blocking For Voice Processing Equipment2

Latest PTAB cases involving Semafone

Discover the latest PTAB cases involving Semafone, highlighting their recent legal challenges and patent disputes.

Peer Comparison New

IP litigation analysis comparing Semafone with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Nov 20, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
SEMAFONE - 6 - -
ECKOH ECKOH UK2 - - -
ECKOH UK ECKOH1 - - -
PCI PAL UK3 - - -