A license to print money?
D004345:Drug Industry / Q000191:economics* / Q000331:legislation & jurisprudence*; D008004:Licensure / Q000191:economics* / Q000331:legislation & jurisprudence*; D010067:Ownership / Q000191:economics* / Q000331:legislation & jurisprudence*; D010330:Patents as Topic / Q000331:legislation & jurisprudence*; D014481:United States