Engadget: Apple legal has been abnormally busy over the last year as it engaged a who's who of cellphone makers and government agencies. They've also come down hard on Sanho Corporation's HyperMac subsidiary for using MagSafe and iPod connectors without approval.
AppleInsider: Apple has filed a lawsuit against Sanho Corporation, maker of the HyperMac line of accessories, alleging violation of patents it owns related to the MagSafe charger and cables that use the iPod 30-pin connection.