The Patents Rules,2003
Section 9. Size etc. of documents
(1) All documents and copies of documents, except affidavits and drawings, sent to or left at the patent office or otherwise furnished to the Controller shall be written or typerwritten or printed either in Hindi or in English language (unless otherwise directed or allowed by the Controller) in large and legible characters with deep indelible ink with lines widely spaced upon one side only of strong white paper of a size A4 of approximately 29.7 centimeters by 21 centimeters with a margin of at least 4 centimeters on the top and left hand part and 3 cm on the bottom and right hand part thereof. Any signature which is not legible or which is written in a script other than Hindi or English shall be accompanied by a transcription of the name either in Hindi or in English in block letters:
PROVIDED that any document including drawing, if any, may also be filed in electronic form along with a copy of it on white paper:
PROVIDED FURTHER that in case the application for patent discloses sequence listing of nucleotides and/or amino acids, the same shall be filed in electronic form.
(2) Additional copies of all documents shall be filed at the appropriate office, if required by the Controller.
(3) Names and addresses of applicants and other persons shall be given in full together with their nationality and such other particulars, if any, as are necessary for identification.