FAQs Patent Questions
Question:You can find a list of PTDL libraries on the official Gazette and on the USPTO Web site.
Answer: A list of PTDL libraries can be found in the Official Gazette and on the USPTO Web site.
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:A Patent office sometimes requires a physical model for invention if necessary
Answer:
Models or exhibits are not required in most patent applications since the description of the invention in the specification and the drawings must be sufficiently full, clear, and complete and capable of being understood to disclose the invention without the aid of a model. A working model, or other physical exhibit, may be required by the Office if deemed necessary.
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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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