According to Section 43 (1), when the application for the grant of patent is in order and the controller has approved it by the virtue of power vested in him under the said act, and not the application is in contravention to any of the provisions of the said act, the patent shall be granted with the seal of the patent office and the date on which the patent is granted will be recorded in the register.
Patent applications are divided into one or more types by the patent office, and as per Indian Patent Office, a patent applicant can type multiple kinds of patent applications.
The patent law in India defines various categories of patent applicants. Depending upon the category and type of the patent applicant, the documentary requirements and the official filing fee varies. In essence, a patent in India can be filed by a natural person, a startup, small entity, others.