MPEP § 2293 — Intervening Rights (Annotated Rules)

§2293 Intervening Rights

USPTO MPEP version: BlueIron's Update: 2025-12-31

This page consolidates and annotates all enforceable requirements under MPEP § 2293, including statutory authority, regulatory rules, examiner guidance, and practice notes. It is provided as guidance, with links to the ground truth sources. This is information only, it is not legal advice.

Intervening Rights

This section addresses Intervening Rights. Primary authority: 35 U.S.C. 252 and 35 U.S.C. 307. Contains: 2 statements.

Key Rules

Topic

Reissue and Reexamination

1 rules
StatutoryInformativeAlways
[mpep-2293-377c65c7d84156fee6649bff]
Intervening Rights in Reissue and Reexamination Are Equivalent
Note:
The rights granted under reissue and reexamination proceedings are identical, and the rights detailed in 35 U.S.C. 252 apply equally to both situations.

The situation of intervening rights resulting from reexamination proceedings parallels the intervening rights situation resulting from reissue proceedings, and the rights detailed in 35 U.S.C. 252 apply equally in reexamination and reissue situations. See Fortel Corp. v. Phone-Mate, Inc., 825 F.2d 1577, 3 USPQ2d 1771 (Fed. Cir. 1987); Kaufman Co., Inc. v. Lantech, Inc., 807 F.2d 970, 1 USPQ2d 1202 (Fed. Cir. 1986); Tennant Co. v. Hako Minuteman, Inc., 4 USPQ2d 1167 (N.D. Ill. 1987); Key Mfg. Group, Inc. v. Microdot, Inc., 679 F. Supp. 648, 4 USPQ2d 1687 (E.D. Mich. 1987).

Jump to MPEP SourceReissue and ReexaminationConcurrent Reissue ProceedingsReissue Patent Practice
Topic

Reexamination Certificate

1 rules
StatutoryInformativeAlways
[mpep-2293-d0d2b047756696d3552f1ee7]
Reexamination Certificate Rights Apply Equally to Reissue
Note:
The rights detailed in the reexamination certificate apply equally to reissue proceedings, mirroring the intervening rights situation.

The situation of intervening rights resulting from reexamination proceedings parallels the intervening rights situation resulting from reissue proceedings, and the rights detailed in 35 U.S.C. 252 apply equally in reexamination and reissue situations. See Fortel Corp. v. Phone-Mate, Inc., 825 F.2d 1577, 3 USPQ2d 1771 (Fed. Cir. 1987); Kaufman Co., Inc. v. Lantech, Inc., 807 F.2d 970, 1 USPQ2d 1202 (Fed. Cir. 1986); Tennant Co. v. Hako Minuteman, Inc., 4 USPQ2d 1167 (N.D. Ill. 1987); Key Mfg. Group, Inc. v. Microdot, Inc., 679 F. Supp. 648, 4 USPQ2d 1687 (E.D. Mich. 1987).

Jump to MPEP SourceReexamination CertificateConclusion of Ex Parte ReexaminationEx Parte Reexamination

Citations

Primary topicCitation
Reexamination Certificate
Reissue and Reexamination
35 U.S.C. § 252
Reexamination Certificate
Reissue and Reexamination
Group, Inc. v. Microdot, Inc., 679 F. Supp. 648, 4 USPQ2d 1687 (E.D. Mich. 1987)
Reexamination Certificate
Reissue and Reexamination
Kaufman Co., Inc. v. Lantech, Inc., 807 F.2d 970, 1 USPQ2d 1202 (Fed. Cir. 1986)
Reexamination Certificate
Reissue and Reexamination
See Fortel Corp. v. Phone-Mate, Inc., 825 F.2d 1577, 3 USPQ2d 1771 (Fed. Cir. 1987)
Reexamination Certificate
Reissue and Reexamination
Tennant Co. v. Hako Minuteman, Inc., 4 USPQ2d 1167 (N.D. Ill. 1987)

Source Text from USPTO’s MPEP

This is an exact copy of the MPEP from the USPTO. It is here for your reference to see the section in context.

BlueIron Last Updated: 2025-12-31