Patent text: No. 4 Song Dynasty. Patent law requires: Description of drawings: If the specification has drawings, a brief description of each drawing shall be provided; the size and clarity of the drawings shall ensure that the drawings can still be clearly distinguished when the drawings are reduced to two-thirds. every detail in. Article 57 If the patentee exploits the patent without the permission of the patentee, it will infringe upon the patent right and cause a dispute, which shall be resolved by negotiation between the parties; if the parties are unwilling to negotiate or the negotiation fails, the patentee or interested party may file a lawsuit with the People's Court. To file a lawsuit, you can also request the patent management department to handle it.