vi.
necessary. If the patent application contains drawings, the technical characteristics
referred to in the claims must, in principle, be followed by reference signs in
brackets in order to improve understanding of the claim. The reference signs must
not be construed as limiting the claim;
they must contain the date and the signature of the applicant or his agent on the last
page.
(c) The description must meet the following requirements:
i. it must be written in Portuguese and correctly drafted;
ii. there must be reference to the title or name of the invention;
iii. it must indicate, clearly and concisely, without reservation or omission, everything
that constitutes the subject matter of the invention, so that any person skilled in the art
may execute it. Furthermore, it must contain a detailed explanation of each of the
figures of the drawings, using for this purpose reference numbers which indicate the
constituent elements of the invention;
iv. it must not contain any reference to weights or measures which are not part of the
International System of Units, or any explanatory figures;
v. it must be typed or printed singlesided, in dark and indelible ink, symbols; only
graphic symbols and characters and chemical and mathematical formulae may be
handwritten or drawn, if necessary;
vi. the margins shall be as follows:
vii. (i) top: 2 cm to 4 cm;
(ii) left side: 2.5 cm to 4 cm;
(iii) right side: 2 cm to 3 cm;
(iv) bottom: 2 cm to 3 cm;
viii. it must be submitted on pliable, strong, white, smooth, matte, durable sheets of A4
size (29.7 cm x 21 cm) paper, used in such a way that the shorter edges are at the top
and bottom (vertical);
ix. it must, if the number of pages requires it, form a booklet bound in such a way as not
to impede reading;
x. it must contain the date and the signature of the applicant or his agent on the last
page.
(d) Drawings must meet the following requirements:
i. they must be accurate and clear, executed on a sheet or sheets of strong, white,
smooth A4size (29.7 cm x 21 cm) paper, in black lines, without colors or
watercolors, so that an unlimited number of copies may be reproduced clearly;
ii. pages containing drawings must not have any squares and the margins shall be as
follows:
(i) top: 2,5 cm;
(ii) left side: 2,5 cm;
(iii) right side: 1.5 cm;
(iv) bottom: 1 cm;
iii. they must: be made up of the strictly necessary number of figures, of sufficient size
for a reproduction to be made with a linear reduction in size to twothirds to allow
easy understanding of the details; be separated by sufficient space to be
distinguishable one from the other, numbered according to their positions,
continuously independent of the number of pages, and; contain reference numbers
indicating the constitutive elements of the invention whenever necessary;
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