Can I apply for a patent for an integrated circuit?

1, integrated circuit layout design, protected by copyright, but registered in China National Intellectual Property Administration; 2. If there are improvements in the circuit and manufacturing process, you can apply for an invention patent; 3, the improvement of the circuit or other structural improvement, you can apply for a patent for utility model. Article 42 of the Patent Law, the term of the invention patent right is 20 years, and the term of the utility model patent right and the design patent right is 10 years, both of which are counted from the date of application.