1. Prepare the patent examination documents or other materials that need to be stamped, and confirm the position and quantity that need to be stamped with the business seal of patent examination.
2. Clean the position to be sealed and avoid stains or impurities to ensure the sealing effect.
3. Take out the seal of patent examination business and put it on the stamp pad, and daub purple inkpad on the printing surface of the seal. Be careful not to use too much inkpad to avoid poor sealing effect.
4. Gently press the stamp pad to make the seal completely fit the place to be stamped, and wait for a moment for the stamp pad to completely saturate the material.
5. Lift the stamp pad, remove the seal, and check whether the seal effect is clear. If there is any ambiguity or omission, it should be printed or replaced in time.