Professor Lawrence Lessig is referenced in a Washington Internet Daily article discussing the threat to the public domain posed by a complaint coming from a European music publisher:

... Stanford University Professor Lawrence Lessig and others have pushed for changes to copyright laws to address the issue. Proposed solutions would reduce copyright term lengths or "more significantly" require registration of copyrights and not just grant them automatically, ... If you have to register up front, many people wouldn't, in Lessig's line of reasoning.