The US patent office has the Peer to Patent project for public comment on pending patent applications: http://www.peertopatent.org/ http://www.peertopatent.org

The US patent office has the Peer to Patent project for public comment on pending patent applications: http://www.peertopatent.org/ http://www.peertopatent.org/ Looks like it's voluntary and applies to a limited number of patent applications, but it is a step in the right direction by the US patent office.