To file a patent application, you will have to submit form 1, form 2, form 3 and form 5. 54 shall be eligible for a reduction of 50 per cent in fee as compared to other applications. 2.I'll show to you how to fill in details in Form 1 form 2 and form five the essential fonts which need to go along with a patent application. 6 Forms are required to get full registration of patents in India. As DO: The payment of fees must be effected in INR. Form 26 (POA) is also required when Patent agent or attorney files this application. 6 Forms are required to get full registration of patents in India. Out of the forms mentioned above, Form 1 and Form 2 along with the official fees are mandatory to be filed to initiate the India Patent filing procedure. Form 1 (Application for grant of a Patent) This document includes details of the inventors, declarations, signatures, etc.