Here's an interesting bit of news. According to an article at DigiTimes, Matsushita has filed a lawsuit against CMC Magnetics, claiming that their DVD media infringes upon their patents.
Matsushita Electric Industrial (Panasonic) on July 26 announced that it has filed a lawsuit in the United States District Court for the Northern District of California, charging that DVD discs made by CMC Magnetics Corporation (CMC), a Taiwanese disc manufacturer, infringe Matsushita Electric's patents. The lawsuit also names two US affiliates of CMC, Hotan Corporation and KHypermedia Corporation.
It will be interesting to see how this turns out. If you'd like to read more, head on over to DigiTimes.