China Marketed Drug Patent Query

Query Chinese marketed drug patent records with multi-dimensional filters including drug name, approval number, specification, dosage form, holder, patent number, patent name, public date range, and drug type. Returns paginated results with detailed patent information.; Retrieves registered patent information for marketed drugs in China from CDE's disclosure platform. Supports multi-dimensional filtering by drug name, approval number, specification, dosage form, MAH, patent number, patent name, disclosure date, and drug type (chemical drugs, biological products, traditional Chinese medicine). Returns paginated results with detailed patent records including authorization files and claim relationships.