There have been a lot of discussion about problems with patents (especially "patent thickets") in drug development also, see Derek Lowe's posts http://pipeline.

There have been a lot of discussion about problems with patents (especially "patent thickets") in drug development also, see Derek Lowe's posts http://pipeline.corante.com/archives/patents_and_ip/ http://pipeline.corante.com/archives/patents_and_ip/ and especially http://pipeline.corante.com/archives/2011/01/20/freedom_to_operate.php http://pipeline.corante.com/archives/2011/01/20/freedom_to_o...