1. mechanical invention examination department: responsible for the substantive examination of invention patent applications in mechanical engineering, transportation, mechatronics, precision instruments, refrigeration and air conditioning and other technical fields.
2. Electrical invention examination department: responsible for substantive examination of invention patent applications in technical fields such as communication, computer and dynamic information storage.
3. Chemical invention examination department: responsible for the substantive examination of invention patent applications in technical fields such as medicinal chemistry, polymer chemistry, petrochemical industry, inorganic chemistry, pesticides and environmental engineering.
4. Communication invention examination department: responsible for the substantive examination of invention patent applications in the technical fields of semiconductor components, image transmission processing, data identification processing, electronic circuits, household appliances and so on.
5. Photoelectric technology invention examination department: responsible for substantive examination of optical devices, applied optics, photoelectric materials, measurement engineering, medical devices, automatic control and other technical fields.
6. Medical biological invention examination department: responsible for substantive examination in the fields of genetic engineering, bioengineering, food engineering, western medicine, traditional Chinese medicine and preparations.
7. Material invention review department: responsible for substantive review in inorganic materials, chemical engineering, environmental engineering, petroleum engineering, material processing, coating materials, construction engineering, thermal energy engineering, HVAC engineering and other fields.