How should text be used in PCT application drawings?
Text in PCT application drawings should be minimized and used only when absolutely necessary. According to MPEP 1825 and PCT Rule 11.11: “The drawings shall not contain text matter, except a single word or words, when absolutely indispensable, such as ‘water,’ ‘steam,’ ‘open,’ ‘closed,’ ‘section on AB,’ and, in the case of electric circuits and…
Read MoreHow can mistakes in PCT application drawings be rectified?
The process for rectifying mistakes in PCT application drawings is outlined in MPEP 1825 and MPEP 1836. Key points to note are: Obvious mistakes in drawings can be rectified without affecting the international filing date, with some exceptions. The omission of an entire sheet of drawings generally cannot be rectified without affecting the filing date.…
Read MoreCan photographs be used in PCT applications instead of drawings?
While the PCT does not explicitly provide for photographs, they may be allowed in exceptional circumstances. According to MPEP 1825: “The PCT makes no provision for photographs. Nevertheless, they are allowed by the International Bureau where it is impossible to present in a drawing what is to be shown (for instance, crystalline structures).” If photographs…
Read MoreWhat are the requirements for drawings in a PCT application?
Drawings in a PCT application must adhere to specific requirements as outlined in MPEP 1825 and PCT Rule 11. Key requirements include: Drawings are required when necessary for understanding the invention. They must be on separate sheets and cannot be included in the description, claims, or abstract. Sheets must be A4 size (29.7 cm x…
Read MoreHow should figures be numbered in PCT application drawings?
Figures in PCT application drawings must be numbered according to specific guidelines outlined in MPEP 1825 and PCT Rule 11.13. The key requirements are: Figures must be numbered consecutively in Arabic numerals. Numbering should be independent of sheet numbers. Figures should be numbered in the order they appear, if possible. The numbering should be preceded…
Read MoreAre color drawings allowed in PCT applications?
No, color drawings are not allowed in PCT applications. According to MPEP 1825, “Color drawings are not acceptable.” All drawings must be executed in black, with uniformly thick and well-defined lines. This requirement ensures clarity and reproducibility of the drawings across different patent offices and reproduction methods. However, in exceptional cases where it’s impossible to…
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