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§ 11.9 Writing of Text Matter - none Patent Cooperation Treaty
§ 11.9 Writing of Text Matter
(a) The request, the description, the claims and the abstract shall be typed or printed.
(b) Only graphic symbols and characters, chemical or mathematical formulae, and certain characters in the Chinese or Japanese languages may, when necessary, be written by hand or drawn.
(c) The typing shall be 1 1/2-spaced.
(d) All text matter shall be in characters the capital letters of which are not less than 0.28 cm high, and shall be in a dark, indelible color, satisfying the requirements specified in Rule 11.2, provided that any text matter in the request may be in characters the capital letters of which are not less than 0.21 cm high.
(e) As far as the spacing of the typing and the size of the characters are concerned, paragraphs (c) and (d) shall not apply to texts in the Chinese or Japanese languages.
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