2. Submit a German patent application to the German Patent and Trademark Office;
3. The German Patent and Trademark Office issued a notice of acceptance;
4. The German Patent and Trademark Office examines the patent format and obvious substantive defects;
5. The German patent application will be published at the expiration of 18 months from the filing date (priority date);
6. The German patent applicant may file a request for substantive examination within seven years from the date of application;
7. The German Patent and Trademark Office has conducted a substantive examination of the patent, and the German patent applicant needs to reply to the notice of examination opinions;
8. If the German patent application meets the legal requirements, the German Patent and Trademark Office grants the invention patent right and publishes the authorized patent.