Professional patent drawings can clearly show the patented technology in front of Patent examiners, which is particularly important for understanding the patented technology. Therefore, it is suggested that you entrust patent writing through professional institutions. Patent writing requires the patentee to have professional writing ability, which most people can't write; The success rate of patent application is still worthy of consideration by the patentee.
The description of patent drawings mainly requires the patentee to have drawing skills, and some complex groups, such as mechanical drawings, cannot be drawn by ordinary patentees; Of course, if you have the technology to write patents and can draw pictures, you can apply for patents directly; However, it needs to be considered that the patent application is too long and may be rejected for re-examination. At this time, we will find an agency.