Yahoo (YHOO) general counsel Mike Callahan has resigned, the company discloses in an internal...

|By:, SA News Editor

Yahoo (YHOO) general counsel Mike Callahan has resigned, the company discloses in an internal memo that was promptly leaked to Kara Swisher. Callahan played a major role in Yahoo's patent suit against Facebook, which new boss Ross Levinsohn is trying to settle. Still unknown is whether Callahan's departure might augur an attempt by Yahoo to conduct an AOL-like patent sale.