FAQs Patent Questions
Question:Public Law 91577 provides a system of protection for sexually reproduced varieties, for which protection was not previously provided,
Answer: Public Law 91577, approved December 24, 1970, provides for a system of protection for sexually reproduced varieties, for which protection was not previously provided, under the administration of a Plant Variety Protection Office within the Department of Agriculture.
Question:If two or more persons make an invention jointly, they apply for a patent as joint inventors
Answer:
If two or more persons make an invention jointly, they apply for a patent as joint inventors. A person who makes only a financial contribution is not a joint inventor and cannot be joined in the application as an inventor.
Question:How can I view the patent images?
Answer:
The PTO Web Patent Full-Text Database includes the full text of all patents granted since 1976, and the patent number, issue date, and current US classification for all patents granted from 1790 through 1975. At the top of each text display page is a button marked "Images". Clicking on that button will display the full-page image of the first printed page of that particular patent, along with navigational tools allowing the viewing of all the other pages.
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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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