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MPEP 100

The following files are open to the public:

  • Issued patents or published statutory invention registrations
  • All reissue applications
  • All requests for reexamination or papers related to reexamination proceedings
  • Files of any interference

Pending or non-published abandoned patents may be viewed by:

  • Absolutely no members of the public, these patents have confidential status
  • Any of the inventors except in cases where the assignee has requested otherwise
  • Any inventor who was named, even if they did not sign the application
  • Any assignee (either entire or partial interest)
  • A licensee of entire interest (not partial interest)
  • An attorney or agent of record, or anyone given written authorization from an inventor