The Intellectual Property Right relating to new invention is called Patent. Patent is the grant of exclusive right , provided by the government to the patentee, for a limited period , in exchange of disclosure of his invention for excluding others , from using making , selling , importing the patented product or the process by which the product is produced. The right of Patent is a protecting measure of an invention from being copied, sold or used by another entity for a specified period of time. The invention must meet some basic tests to be patentable. First, it must be novel, means that the invention did not previously exist. Second, the invention must be non-obvious, which means that the invention must be a significant improvement to existing technology. An invention relating either to a product or process that is new, involving inventive step and capable of industrial application can be patented.