PayRange Inc., which provides a mobile payment solution for non-networked unattended retail machines, has filed a patent infringement lawsuit against KioSoft, seeking damages estimated to be in excess of $50 million and a permanent injunction barring further infringing sales, according to a press release.

PayRange, which serves unattended retail machines such as vending, laundry and amusements, said its technology and intellectual property portfolio are protected by 18 patents and another 35-plus pending patent applications. The suit was filed in the U.S. District Court for the Southern District of Florida.

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