35 U.S.C. § 101 : US Code - Section 101: Inventions patentable

Search 35 U.S.C. § 101 : US Code - Section 101: Inventions patentable

Whoever invents or discovers any new and useful process, machine,
manufacture, or composition of matter, or any new and useful
improvement thereof, may obtain a patent therefor, subject to the
conditions and requirements of this title.