You can't normally read about IP and the mobile industry without coming across two endlessly warring tech companies -- especially when Apple is involved. But today marks a different sort of patent exchange for Cupertino: a cooperative one. Japan-based Access Corporation, a mobile software provider, has agreed to license its patent portfolio -- acquired from its purchase of PalmSource (yes, that's the company behind Palm OS) -- to Apple, in a deal valued at about 1 billion Yen (roughly $10 milli