Rival Semafone Ltd has filed lawsuit against PCI-Pal (LON:PCIP) for the alleged infringement of UK patent No. GB 2473376, which relates to Semafone’s Dual-Tone Multi-Frequency (DTMF) masking technology. This enables card payments to be securely processed by call centres. There is also a similar lawsuit in the US. The PCI-Pal share price fell 11p to 77.5p.
Semafone claims that PCI-Pal’s Agent Assist product infringes its UK and US patents. Agent Assist has been sold by PCI-Pal for years and i...
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