A simple fix could go a long way - disallow really minor improvements and work hard to get rid of evergreening.<p><a href="http:&#x2F;&#x2F;www.nature.com&#x2F;news&#x2F;indian-court-rejects-novartis-patent-1.12717?WT.ec_id=NEWS-20130402" rel="nofollow">http:&#x2F;&#x2F;www.nature.com&#x2F;news&#x2F;indian-court-rejects-novartis-pat...</a>