FAQs Patent Questions
Question:Patent application drawings must be drawn on specified standard sized paper.
Answer: Yes. The Office specifies the size of the sheet on which the drawing is made, the type of paper, the margins, and other details relating to the making of the drawing. The reason for specifying the standards in detail is that the drawings are printed and published in a uniform style when the patent issues, and the drawings must also be such that they can be readily understood by persons using the patent descriptions.
Question:Will the USPTO advise me as to whether a certain patent promotion organization is reliable and trustworthy?
Answer:
No. The Office has no control over such organizations. The Office will publish complaints regarding invention promoters and replies from the invention promoters. The Office will not undertake any investigation of the invention promoters.
Question:How long is a patent granted for?
Answer:
Patents expire 20 years from the date of filing. Many other factors can affect the duration of a patent.
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Your invention may already be patented.
Public users may perform preliminary searches of patent information in a variety of formats including on-line, microfilm, and print at the United States Patent and Trademark Office (USPTO) Public Search Facility located in Alexandria, VA. State of the art computer workstations provide automated searching of patents issued from 1790 to the current week of issue. Full document text may be searched on U.S. patents issued since 1971 and OCR text from 1920 to 1970. U.S. patent images from 1790 to the present may be retrieved for viewing or printing. Some foreign patent documents are available.
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