###### 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.

#### § 41.201 Definitions.

In addition to the definitions in §§ 41.2 and 41.100, the following definitions apply to proceedings under this subpart:

*Accord benefit* means Board recognition that a patent application provides a proper constructive reduction to practice under 35 U.S.C. 102(g)(1).

*Constructive reduction to practice* means a described and enabled anticipation under 35 U.S.C. 102(g)(1), in a patent application of the subject matter of a count. Earliest constructive reduction to practice means the first constructive reduction to practice that has been continuously disclosed through a chain of patent applications including in the involved application or patent. For the chain to be continuous, each subsequent application must comply with the requirements of 35 U.S.C. 119-121, 365, or 386.

*Count* means the Board's description of the interfering subject matter that sets the scope of admissible proofs on priority. Where there is more than one count, each count must describe a patentably distinct invention.

*Involved claim* means, for the purposes of 35 U.S.C. 135(a), a claim that has been designated as corresponding to the count.

*Senior party* means the party entitled to the presumption under § 41.207(a)(1) that it is the prior inventor. Any other party is a *junior party.*

*Threshold issue* means an issue that, if resolved in favor of the movant, would deprive the opponent of standing in the interference. Threshold issues may include:

(1) No interference-in-fact, and

(2) In the case of an involved application claim first made after the publication of the movant's application or issuance of the movant's patent:

(i) Repose under 35 U.S.C. 135(b) in view of the movant's patent or published application, or

(ii) Unpatentability for lack of written description under 35 U.S.C. 112 of an involved application claim where the applicant suggested, or could have suggested, an interference under § 41.202(a).

[69 FR 50003, Aug. 12, 2004, as amended at 77 FR 46631, Aug. 6, 2012; 80 FR 17971, Apr. 2, 2015]