1, power of attorney and entrustment contract
2. A list of entrustment, including the following contents: the name and address of the applicant (in Chinese and English); Name and address of the inventor (in Chinese and English); Category of patent application; Applicant country; The date and number of the original application and the category of the patent application; Whether priority is required; Whether to submit a request for substantive examination at the same time as the application, etc.
3, the original China patent application request, acceptance notice, the original patent application documents (including instructions, claims, drawings and abstracts).
4. Existing technical data (patent documents, scientific and technological documents closely related to the invention known by the applicant, etc.). ).
Second, the procedure.
1, German patent application and examination
(1) Invention patent: substantive examination; (2) Utility model patent: format examination only, generally 6-8 months for approval and registration.
(3) Design: Registration system is adopted.
2. Validity period:
(1) invention patent: the invention patent lasts for 20 years from the day after the invention application date;
(2) utility model: it can be extended to ten years at the longest from the date of application;
(3) Design: It can be extended for up to 20 years from the date of application.