Apple Computer has filed a second patent infringement lawsuit in the US against rival Creative Technology, a Reuters report said.
The Reuters report said the counter-suits came after Singapore-based Creative, the world's number two MP3 player maker, filed patent complaints against Apple last month in a federal court and with a US trade agency.
Apple filed its latest suit in a district court in Texas, claiming Creative has infringed at least three of its patents, one that involves displaying data on a computer, another for editing data using a portable media device, and the third for the creation of icons to organize files on a computer, the report said.
Apple is seeking cash damages and a court order to prevent further patent infringements, according to US court documents seen by Reuters.
Apple's first counter-suit, filed last month in the district court in Wisconsin, alleged Creative had infringed four of its patents.
A spokesman in Singapore for Creative declined to comment.