Based on his false claims, trying to copyright OSS code, trying to falsify dates, We can file an opposition for this copyright application with USPTO, that would give him a run for his money. Contacting the local USPTO branch or any patent lawyer or a FSF/EFF chapter would help you on this.
EDIT: guys this story is top in the upcoming news atp - hope more people support and EFF soon helps you to sue SuperGu
EDIT Again: It is "my #1" story atp