US based Artifex Software has acquired assets owned by Picsel International for an undisclosed sum.
The California business said it now owns the Smart Office suite of mobile device applications.
Picsel, incorporated in Malta, went into liquidation last year and also owned Paisley based SmartOffice Technologies, which is also going through insolvency proceedings.
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Artifex said there were seven million downloads of SmartOffice products in 2013. Technology used by SmartOffice has been utilised in other Scottish based companies.