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arranged in an upright position, they shall be presented sideways
with the top of the figures at the left side of the sheet.
(k) The differentfiguresshall be numbered in Arabic numerals
consecutively and independently of the numbering of the
sheets.
(1) Reference signs not mentioned in the description shall
not appear in the drawings, andvice versa.
(m) The same features, when denoted by reference signs,
shall, throughout the international application, be denoted by the
samesigns.
(n) If the drawings contain a large number of reference
signs, it is stronglyrecommended to attach a separate sheet listing
all reference signs andthe features denotedby them.
*****
37 CFR 1.437. The drawings.
(a) Subject to paragraph (b) of this section, when drawings
are necessary for the understanding of the invention, or are mentioned
in the description, they must be part.of an international
application as. originally filed in the United States Receiving
Office in ordertorriaintain the international filing date duringthe
national stage (PCT Art. 7).
(b) Drawings missing from the application upon filing will
be accepted if such drawings are received within 30 days of the
date of firstreceipt of the incompletepapers.Ifthe missing drawings
arereceived within the 30-day period,the international filing
date shall be the dateon which such drawingsarereceived.Ifsuch
drawings arenot timely received, all,references to drawings in the
international application shall be considered non-existent (peT
Art. 14(2), Administrative Instruction 310).
(c) The physical requirements for drawings are set forth in
PCT Rule 11 and shall he adhered to.
The international application must contain drawings
when they are necessary for the understanding of
the invention. Moreover where, without drawings
being actually necessary for the understanding of the
invention, its nature admits of illustration by drawings,
the applicant may include such drawings and
any designated Office may require the applicant to file
such drawings during the national phase. Flow sheets
and diagrams are considered drawings. "Guidelines
for Drawings Under the Patent Cooperation Treaty,"
published in the PCl' Gazette (No. 711978), may be
obtained, in English and French, from the International
Bureau.
Drawings must be presented on one or more separate
sheets. They may not be included in the description,
the claims or the abstract. They may not contain
text matter, except a single word or words when absolutely
indispensable. Note that if the drawings contain
text matter not in English but in a language accepted
under PCT Rule 12.I(a) by the International Bureau
as a Receiving Office, the international application
PATENT COOPERATION TREATY 1825
will be transmitted to the International Bureau for
processing in its capacity as a Receiving Office. See
37 CFR 1.412(c)(6)(ii). If the drawings contain text
matter not in a language accepted under PCT Rule
12.I(a) by the International Bureau as a Receiving
Office, the application will be denied an international
filing date.
All lines in the drawings must, ordinarily, be drawn
with the aid ofa drafting instrument and must be executed
in black, uniformly thick and well-defined lines.
PCT Rules 11.10 to 11.13 contain detailed requirements
as to further physical requirements of drawings.
Drawings newly executed according to national standards
may not be required during the national phase if
the drawings filed with the international application
comply with PCTRule 11. The examiner may require
new drawings where the drawings which were
accepted during the international phase did not comply
with PCT Rule II. A file referencemay be indicated
in the upper left comer on each sheet of the
drawings as for the description.
All of the figures constituting the drawings must be
grouped together on a sheet or sheets without waste of
space, preferably in an upright position and clearly
separated from each other. Where the drawings or
tables cannot be presented satisfactorily in an upright
position, they may be placed sideways, with the tops
of the drawings or tables on the left-hand side of the
sheet.
The usable surface of sheets (which must be of A4
size) must not exceed 26.2 em x 17.0 ern. The sheets
must not contain frames around the usable surface.
The minimum margins which must be observed are:
top and left side: 2.5 em; right side: 1.5 em; bottom:
1.0 ern.
All sheets of drawings must be numbered in the
center of either the top or the bottom of each sheet but
not in the margin in numbers larger than those used as
reference signs in order to avoid confusion with the
latter. For drawings, a separate series of page numbers
is to be used. The number of each sheet of the
drawings must consist of two Arabic numerals separated
by an oblique stroke, the first being the sheet
number and the second being the total number of
sheets of drawings. For example, "2/5" would be used
for the second sheet of drawings where there are five
in all.
1800-35 August2001