Amazon sued over music patents

A San Francisco-based music firm has filed suit against Amazon.com Inc. (amzn) and other sites, accusing them of violating its patents. Intouch Group Inc. filed the suit in U.S. District Court in San Francisco earlier this week. The lawsuit alleges that Amazon.com and the other firms are violating a patent on technology that enables consumers to sample music online. Full story. -- Margaret Kane, ZDNet News