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Design patents cover the ornamental appearance of an item. Design patents can be invalidated if the design is dictated solely by function (e.g. the outline of a key blade blank). Design patents are valid for 14 years from the date of issue if filed prior to May 13, 2015, or 15 years from the date of issue if filed on or after May 13, 2015.
A patent application or patent may contain drawings, also called patent drawings, illustrating the invention, some of its embodiments (which are particular implementations or methods of carrying out the invention), or the prior art. The drawings may be required by the law to be in a particular form, and the requirements may vary depending on ...
Patent drawing – drawing in a patent application that illustrates the invention, or some of its embodiments (which are particular implementations or methods of carrying out the invention), or the prior art. Drawings may be required by law to be in a particular form, and the requirements may vary depending on the jurisdiction.
A provisional application includes a specification, i.e. a description, and drawing(s) of an invention (drawings are required where necessary for the understanding of the subject matter sought to be patented [2]), but does not require formal patent claims, inventors' oaths or declarations, or any information disclosure statement (IDS).
The design must be recorded in a document after 1989-08-01 (s. 213(6)): designs recorded or used before that date do not qualify (s. 213(7)). The design right lasts for fifteen years after the design is recorded in a document, or for ten years if articles have been made available for sale (s. 216).
The application is examined for formal requirements by the International Bureau of WIPO, which provides the applicant with the opportunity to correct certain irregularities in the application. Once the formal requirements have been met, it is recorded in the International Register and details are published electronically in the International ...