###### Editorial Note on Part 1

#### Editorial Notes:

1. In Patent and Trademark Office publications and usage the part number is omitted from the numbers of §§ 1.1 to 1.352 and the numbers to the right of the decimal point correspond with the respective rule numbers.

2. For nomenclature changes to part 1, see 68 FR 14335, Mar. 25, 2003; 87 FR 68904, Nov. 17, 2022.

#### § 1.570 Issuance and publication of *ex parte* reexamination certificate concludes *ex parte* reexamination proceeding.

(a) To conclude an *ex parte* reexamination proceeding, the Director will issue and publish an *ex parte* reexamination certificate in accordance with 35 U.S.C. 307 setting forth the results of the *ex parte* reexamination proceeding and the content of the patent following the *ex parte* reexamination proceeding.

(b) An *ex parte* reexamination certificate will be issued and published in each patent in which an *ex parte* reexamination proceeding has been ordered under § 1.525 and has not been merged with any *inter partes* reexamination proceeding pursuant to § 1.989(a). Any statutory disclaimer filed by the patent owner will be made part of the *ex parte* reexamination certificate.

(c) The *ex parte* reexamination certificate will be mailed on the day of its date to the patent owner at the address as provided for in § 1.33(c). A copy of the *ex parte* reexamination certificate will also be mailed to the requester of the *ex parte* reexamination proceeding.

(d) If an *ex parte* reexamination certificate has been issued and published which cancels all of the claims of the patent, no further Office proceedings will be conducted with that patent or any reissue applications or any reexamination requests relating thereto.

(e) If the *ex parte* reexamination proceeding is terminated by the grant of a reissued patent as provided in § 1.565(d), the reissued patent will constitute the *ex parte* reexamination certificate required by this section and 35 U.S.C. 307.

(f) A notice of the issuance of each *ex parte* reexamination certificate under this section will be published in the *Official Gazette* on its date of issuance.

[65 FR 76777, Dec. 7, 2000, as amended at 72 FR 18905, Apr. 16, 2007]

###### Editorial Note on Subchapter A of Chapter I

#### Editorial Note:

Part 2 is placed in the separate grouping of parts pertaining to trademarks regulations.

###### Editorial Note on Subchapter A of Chapter I

#### Editorial Note:

Part 6 is placed in the separate grouping of parts pertaining to trademarks regulations.

###### Editorial Note on Subchapter A of Chapter I

#### Editorial Note:

Part 7 is placed in the separate grouping of parts pertaining to trademarks regulations.

###### Editorial Note on Subchapter A of Chapter I

#### Editorial Note:

Part 1 is placed in the separate grouping of parts pertaining to patents regulations.

###### Editorial Note on Subchapter A of Chapter I

#### Editorial Note:

Part 3 pertaining to both patents and trademarks is placed in the grouping pertaining to patents regulations.

###### Editorial Note on Subchapter A of Chapter I

#### Editorial Note:

Part 4 is placed in the separate grouping of parts pertaining to patents regulations.

###### Editorial Note on Subchapter A of Chapter I

#### Editorial Note:

Part 5 is placed in the separate grouping of parts pertaining to patents regulations.