title: US Patent Office issues guidelines on natural product patent eligibility.
authors.forename: Charlotte
authors.initials: C
authors.lastname: Harrison
mesh_terms: D001688:Biological Products; D006077:Government Agencies; D017408:Guidelines as Topic; D006801:Humans; D010330:Patents as Topic / Q000331:legislation & jurisprudence*; D035521:Supreme Court Decisions; D014481:United States
chemical_list: D001688:Biological Products