While preparing iP drawings, there are many important rules which should not be ignored for good patent practices. Herein, we have mentioned foremost iP rules and regulations for your convenience. Please be informed that each and every described information below is sourced by USPTO WIPO PTO official web portals. we are not responsible for any change by the patent offices. For best practices, keep updating with the source links below.
The use of shading in views is encouraged if it aids in understanding the invention and if it does not reduce legibility. Shading is used to indicate the surface or shape of spherical, cylindrical, and conical elements of an object. Flat parts may also be lightly shaded. Such shading is preferred in the case of parts shown in perspective, but not for cross sections. See discussion of sectional views above. Spaced lines for shading are preferred. These lines must be thin, as few in number as practicable, and they must contrast with the rest of the drawings.
The sheets of drawings should be numbered in consecutive Arabic numerals, starting with 1, within the sight. These numbers, if present, must be placed in the middle of the top of the sheet but not in the margin. The numbers can be placed on the right-hand side if the drawing extends too close to the middle of the top edge of the usable surface. The drawing sheet numbering must be clear and larger than the numbers used as reference characters to avoid confusion. The number of each sheet should be shown by two Arabic numerals placed on either side of an oblique line, with the first being the sheet number and the second being the total number of sheets of drawings, with no other marking.
Information on drawing requirements is based substantially on 37 CFR § 1.84. Black and white drawings are normally required. India ink, or …
Drawings shall be executed in durable, black, sufficiently dense, and dark, uniformly thick, and well-defined, lines and strokes without colorings. Cross-sections shall …
The drawings shall not contain text matter, except a single word or words, when absolutely indispensable, such as “water,” “steam,” “open,” “closed,” …
Margins-–-Patent-Drawing-Sheet-Margins-Solidlines
The size of the sheets shall be A4 (29.7 cm x 21 cm). However, any receiving Office may accept international applications on …
A design consists of the visual ornamental characteristics embodied in, or applied to, an article of manufacture. Since a design is manifested …
The elements of a design patent application should include the following: (a) Preamble, stating name of the applicant, title of the design, …
A design for an article of manufacture that is dictated primarily by the function of the article lacks ornamentality and is not …