- All documents and copies of documents, except affidavits and drawings shall be filed with the patent office shall be;
- either typewritten or printed in English or Hindi (unless directed and allowed for use of other languages by the Controller) on only one side of a paper; with words of minimum 0.28 cm height and 1.5 line spacing;
- on A4 sized papers which is flexible, strong, white, smooth, non shiny and durable with margins of at least 4 cm on top & left hand sides and at least 3 cm on bottom and right hand sides of the papers.
- numbering made in consecutive Arabic numerals in centre or bottom of the sheet.
- every 5th line should be numbered accordingly (as 1,5,10,15…..n) on each page of the description and the claims placed at the right half of the left margin in each page of the claims.
- If any signature is not legible or written in other languages except Hindi or English, it shall be accompanied by a transcription of the name in Hindi or English in Capital letters.
- If a patent application discloses sequence of listing of nucleotides or amino acid sequnces, they shall be filed in computer readable text format along with the application and no print form of the sequence listing of nucleotides or amino acid sequences is required to be given.
- If the Controller requires additional copies, the same shall be filed only in the appropriate office.
- As necessary for identification, the names and addresses of applicants and other persons shall be given in full to the Patent office along with their nationality and other particulars.