title: Patent law. Natural substances and patentable inventions.
authors.affiliation: RAND, Santa Monica, CA 90401, USA. demaine@rand.org
authors.forename: Linda J
authors.initials: LJ
authors.lastname: Demaine
authors.forename: Aaron X
authors.initials: AX
authors.lastname: Fellmeth
mesh_terms: D000537:Aluminum Oxide; D055598:Chemical Phenomena; D002621:Chemistry; D010811:Natural Science Disciplines; D010330:Patents as Topic / Q000331:legislation & jurisprudence*; D010936:Plant Extracts; D018517:Plant Roots; D014025:Titanium; D014481:United States
chemical_list: D010936:Plant Extracts; D014025:Titanium; D000537:Aluminum Oxide