Reexamination Information

How To View Documents In A Reexamination File

From "Public PAIR", type the two verification words and hit "Continue".  Then enter the control number of the reexamination and hit "SEARCH".  Ex parte reexaminations have a control number of the form 90/000,000; inter partes reexaminations have the form 95/000,000.

Reexamination Statistics

These historical statistics are data for requests for reexamination filed since 7/1/1981 (for ex parte) or since 11/29/1999 (for inter partes). They are updated quarterly.

• ex parte reexamination historical statistics
• inter partes reexamination historical statistics

These operational statistics show quarterly volume and timing in processing requests for reexamination. They are updated quarterly.

• Reexamination operational statistics

Filing Compliant Reexamination Requests

• Best Practices and FAQs for filing compliant reexamination requests

Terminology of Reexamination

• Terminology And Procedural Milestones In USPTO Reexamination Proceedings