Is the drug patented?

Drug patents, sometimes called drug patents, are patents applied for drugs, including drug product patents, drug preparation technology patents, drug use patents and other different types. Medical patents mainly include pharmaceutical compounds, western medicine compound preparations, traditional Chinese medicine prescriptions and effective components of traditional Chinese medicine. Patents on pharmaceutical methods mainly include preparation methods of pharmaceutical compounds, preparation methods of compound preparations of western medicines, extraction methods of effective components of traditional Chinese medicines, quality control methods and methods of changing old medicines into dosage forms. A patent for pharmaceutical use invention refers to a patent that is applied for and authorized for a known drug when a new unknown use is discovered.