---
kind: "section"
citation: "37 C.F.R. § 41.200"
title: "37"
number: "41.200"
heading: "Procedure; pendency."
url: "https://uscodex.org/cfr/37/41.200"
---

# §41.200. Procedure; pendency.

- (a) A patent interference is a contested case subject to the procedures set forth in subpart D of this part.
- (b) Any reference to 35 U.S.C. [102](/usc/35/102.md) or [135](/usc/35/135.md) in this subpart refers to the statute in effect on March 15, 2013, unless otherwise expressly indicated. Any reference to 35 U.S.C. [141](/usc/35/141.md) or [146](/usc/35/146.md) in this subpart refers to the statute applicable to the involved application or patent.
- (c) Patent interferences shall be administered such that pendency before the Board is normally no more than two years.

## Notes

### Amendments

[69 FR 50003, Aug. 12, 2004, as amended at 75 FR 19559, Apr. 15, 2010; 80 FR 17971, Apr. 2, 2015]

### Authority

Authority: 35 U.S.C. 2(b)(2), 3(a)(2)(A), 21, 23, 32, 41, 134, 135, and Public Law 112-29.

### Source

Source: 69 FR 50003, Aug. 12, 2004, unless otherwise noted.

### Amendments

[69 FR 50003, Aug. 12, 2004, as amended at 75 FR 19559, Apr. 15, 2010; 80 FR 17971, Apr. 2, 2015]