physical requirements are as follows:
a. Description, Claim, and Abstract are typed on HVS paper sheets with A4 paper size (29.7 centimeters x 21 centimeters) with a minimum weight of 80 (eighty) gsm;
b. A4 paper must be white, flat, not shiny, and done by placing the short sides at the top and bottom (except when used for Images); and
c. the font type for writing the Description is Courier New size 12 (twelve).
The format for writing the Description, Claim, and Abstract is as follows:
a. writing limits:
1. from the top edge 2 cm (two centimeters);
2. from the bottom edge 2 cm (two centimeters);
3. from the left edge 2.5 cm (two point five centimeters); and4. from the right edge 2 cm (two centimeters);
b. writing the Description, Claim, and Abstract is done on only one side of the front;
c. each sheet of the Description, Claim, and Abstract is numbered sequentially according to Arabic numerals in the top center and not on the border;
d. every five lines of description and Claim typing, must be given a line number which on each new page always starts from the beginning and is placed on the left side of the paper and not on the border;
e. typing must be done using black, with a line spacing of 1.5 (one and a half) and with upright letters with a minimum letter height of 0.31 (zero point three one) cm; and
f. signs with lines, chemical or mathematical formulas and certain signs can be written by hand or painted, if necessary.
The format/template for writing a patent description can be downloaded at the following link
https://dgip.go.id/unduhan/download/template-deskripsi-paten-41-2020