37 CFR 41.100 : Patents, Trademarks, And Copyrights (Section 2.11 To Chapter V) — United States Patent And Trademark Office, Department Of Commerce (Parts 1 - 199) (Section 2.11 To Parts 151-199) — Unknown Title (Parts 2 - 90) (Section 2.11 To Section 90.3) — Practice Before The Patent Trial And Appeal Board (Section 41.1 To Section 41.208) — Contested Cases (Section 41.100 To Section 41.158) — Definitions.

31 Dec 2014

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

Business day means a day other than a Saturday, Sunday, or Federal holiday within the District of Columbia.

Involved means the Board has declared the patent application, patent, or claim so described to be a subject of the contested case.

37 CFR 41.100