As a reward for its growth and successful product launches, Huawei now finds itself on the grim radar of Redmond's patent fee hunters, who claim that Android-based hardware impinges on their intellectual property. "Microsoft has come to us," said the Chinese manufacturer's chief marketing officer at an event in London last night, confirming that "negotiations are in progress" and hinting that Huawei could soon be another head on Steve Ballmer's wall -- which is already crowded with trophies.