Here are some I've bookmarked: https://www.eff.org/patent-busting https://www.eff.org/patent-busting Crowd-sourced prior art patent busting: http://www.artic

Here are some I've bookmarked: https://www.eff.org/patent-busting https://www.eff.org/patent-busting Crowd-sourced prior art patent busting: http://www.articleonepartners.com/ http://www.articleonepartners.com/ There's also PeerToPatent, but it appears to be oriented toward preventing a patent being granted than busting them after the fact: http://peertopatent.org/ http://peertopatent.org/