- Certificate of correction
- Special petition to waive the rules
Reissue is a process for correcting a defective patent. A request to reissue a patent, unlike a request for reexamination, can only be filed by the applicant or the assignee.
A certificate of correction can be issued to correct clerical errors.
A disclaimer is a complete forfeiture of one or more claims or a portion of a patent term.
A patentee may file a special petition to have the commissioner waive the rules. This technique is rarely used.