New and useful
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
The phrase used in the patent laws to describe the two qualities of an invention or discovery which are essential to make it patentable, viz., novelty, or the condition of having been previously unknown, and practical utility.
See In re Gould, 1 MacAr-thur (D. C.) 4lO; Adams v. Turner, 73 Conn. 38, 46 Atl. 247; Lowell v. Lewis, 1 Mason, 182, Fed. Cas. No. 8,568.