FAQs Patent Questions
Question:Why was PSIPS created?
Answer: Mega information is stored and retrieved via PSIPS because it is too large to publish elsewhere.
Question:How do I search for a particular patent number?
Answer:
There are several ways. The easiest is to use the Patent Number Search Page, enter the number you are searching for in the box provided, and hit the 'Search' Button. Alternatively, you can go to the Quick Search Page, select which year(s) you want to search by using the Select years to search menu, type the patent number in the Term 1 text entry box, and select 'Patent Number' from the Field 1 menu. Then hit the 'Search' button.
Question:The requirements for filing a substitute specification is stated under the 37 CFR 1.125
Answer:
When applicants file a substitute specification, the following are required under 37 CFR 1.125: (1) a statement that the substitute specification includes no new matter; (2) a marked-up version of the specification with markings to show all the changes relative to the immediate prior version; and (3) a clean version of the substitute specification.
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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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