rediff News India's largest news and entertainment service online.. en-us Wed, 23 Apr 14 13:00:30 +0000 Wed, 23 Apr 14 13:00:30 +0000 Rediff feeds Copyright: (C) 2009 India Limited. All Rights Reserved. <![CDATA[US and China Drive International Patent Filing Growth in Record-Setting Year]]> The United States of America and China drove record-level patent-filing activity via WIPO in 2013 as the number of annual i...]]> Wed, 23 Apr 2014 18:30:30 +0530