Second, we should pay attention to patents. Most inventions are represented by others.
Third, the patent has different purposes, so the patent highlights can be different. I wonder if you can stand out well.
4, the patent is so valuable, it is not good to make a piece of waste paper.
The government subsidizes individuals and companies that manufacture patents. Even if you find an agent, it won't cost you much.
6. refuse to waste time and money. Two or three years after the invention, when he refused, he missed the opportunity to find another agent.