FAQs Patent Questions

Question:How can I find out the inventor's name of a particular patent?

Answer:
Search may also be conducted at a Patent and Trademark Depository Library (PTDL) established throughout the United States. These libraries have copies of patents in multiple formats arranged in numerical order. They also have classification search tools, automated search aids, and photocopy facilities available to the public.

Question:How do I obtain the status of a patent?

Answer:
The Patent Application Information Retrieval (PAIR) system permits third parties to obtain information about applications that have been published pursuant to 35 U.S.C. 122(b) and issued patents, such as the status of maintenance fee payments and whether or not a reissue application or reexamination request has been filed. PAIR can be accessed on the United States Patent and Trademark Office (USPTO) web site at http://portal.uspto.gov/external/portal/pair.

Question:Once the patent is granted, it is outside the jurisdiction of the USPTO

Answer:
Once the patent is granted, it is outside the jurisdiction of the USPTO except in a few respects. The Office may issue without charge a certificate correcting a clerical error it has made in the patent when the printed patent does not correspond to the record in the Office. These are mostly corrections of typographical errors made in printing.

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