1. Patent application fee: including patent application fee, examination fee and authorization fee.
2. Patent maintenance fee: The validity period of a patent right is usually 20 years, and the patentee needs to pay maintenance fee every year to maintain the validity of the patent.
3. Patent transfer fee: If the patent right is transferred, the transferor usually needs to pay a certain fee.
4. Patent litigation costs: when the patent right is infringed, the patentee needs to sue the infringement, which will generate certain expenses.
5. Patent license fee: Patent holders can license their patents to others and get a certain license fee from them.
It should be noted that the laws, regulations and practices of different countries and regions may lead to different fees, so it needs to be adjusted according to the specific situation when evaluating the patent value. Questions related to the evaluation can be asked by clicking on the avatar, or by consulting the third-party evaluation of Zhenglian Jiang Kun, and any questions will be answered.