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Viewing Patent Application Status and History at USPTO Online with PAIR

USPTO_Public_PAIRThe USPTO provides online access to the file history and the current status of patents and published applications through a system called PAIR (Patent Application Information Retrieval). The file history, sometimes called the file wrapper, is a record of all the documents filed by the applicant and the USPTO regarding a patent or patent application. Review of the file history can be helpful in many circumstances to understand more about what the applicant said to the USPTO, during the prosecution of the application. You can also determine the status of a published application or patent using public PAIR.

Here’s a navigation table to make it easier to skip to the sections that are of interest.

  1. Access and Logging in
  2. Bibliographic Data (Application/Patent Status)
  3. Transaction History
  4. Image File Wrapper (Downloadable Files)
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