Patent is a legal right for grant of Patent to the patentee for his new idea, method, product etc. for a limited time period by the government. In this work the patent law for patent grant in India is discussed. The patent law is quite similar in all countries. The difference is mainly in the patent filing procedure. The patent system is divided into two parts, first is patent filing procedure and second is the patent grant procedure. The procedure starts with the filing of application for the grant of patent. This is followed by the second step which includes the search, publication and examination. If the application fulfils all the requirement of the patent law then the patent is granted.