---
kind: "section"
citation: "37 C.F.R. § 42.224"
title: "37"
number: "42.224"
heading: "Discovery."
url: "https://uscodex.org/cfr/37/42.224"
---

# §42.224. Discovery.


Notwithstanding the discovery provisions of subpart A:

- (a) Requests for additional discovery may be granted upon a showing of good cause as to why the discovery is needed; and
- (b) Discovery is limited to evidence directly related to factual assertions advanced by either party in the proceeding.

## Notes

### Source

Source: 77 FR 48729, Aug. 14, 2012, unless otherwise noted.

### Authority

Authority: 35 U.S.C. 2(b)(2), 3, 6, 21, 23, 41, 134, 135, 143, 153, 311, 312, 314, 316, 318, 321-326, 328; Pub. L. 112-29, 125 Stat. 284; and Pub. L. 112-274, 126 Stat. 2456.

### Source

Source: 77 FR 48669, Aug. 14, 2012, unless otherwise noted.