Palm is facing a lawsuit over claims that the Palm Pre's PDF viewer uses a third-party software component without acknowledgement or remuneration.
The lawsuit has been brought by Artifex Software which has made allegations that Palm has copied its muPDF rendering engine and integrated it into the Pre while failing to obtain a license for so doing.
Artifex Software outlined two ways in which Palm could have legitimately licensed the muPDF engine in order to use it as part of the Pre's software, with either a commercial licence for its use required or a GNU General Public Licence for the entire PDF viewing application.
It has been alleged that Palm took no steps to acquire either type of license, although Palm does make reference to the muPDF component in the literature that accompanies the Pre.
Despite Palm's claims that they have licensed muPDF under the GNU GPL, Artifex contests this as it believes that the entire Pre application would then have required licensing in this way.
At this time there is the possibility that the repercussions of this action could influence the webOS software platform which powers the Pre and the soon to be released Pixi smartphone.
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