title: Patent battles continue in biotechnology in the United States.
authors.affiliation: Biotechnology Australia Pty Ltd.
authors.forename: S
authors.initials: S
authors.lastname: Irvine
mesh_terms: D001709:Biotechnology / Q000331:legislation & jurisprudence*; D004921:Erythropoietin; D007376:Interleukin-2; D010330:Patents as Topic; D014481:United States
chemical_list: D007376:Interleukin-2; D004921:Erythropoietin