1. The chapter layout suggested by the United States Patent and Trademark Office (but not strictly required) needs to include: the name of the invention, the background technology of the invention, the summary of the invention, the brief description of the drawings, the detailed description of the invention, the claims, the abstract of the disclosure, the drawings, etc.

2. When preparing the patent application documents for entering the United States, the applicant has many writing skills different from those of China.

3. When writing the background technology of the invention, we should pay attention to the following questions: Don't write too detailed and specific, and explain the technical field of the invention and related existing technologies. ..