First Publication Date: 5th November 2009.   In US, it is possible to block publication until grant of a patent application provided certain conditions are met. According to § 1.213 of MPEP, if the invention disclosed in an application has not been and will not be the subject of an application filed in another country, or under a multilateral international agreement, that requires publication of applications eighteen months after filing, the application will not be published, provided: (1) A request (non-publication…