1400.01 Introduction [R-2]
A patent may be corrected or amended in four ways, namely:
- (A) by reissue,
- (B) by the issuance of a certificate of correction which becomes a part of the patent,
- (C) by disclaimer, and
- (D) by reexamination.
The first three ways are discussed in this chapter while the fourth way (reexamination) is discussed in MPEP Chapter 2200 > for ex parte reexamination and MPEP Chapter 2600 for inter partes reexamination < .