What are the acts of impersonating patents?

There are several acts of counterfeiting patents: manufacturing or selling non-patented products marked with patent marks; After the patent right is declared invalid, continue to mark the patent mark on the products manufactured or sold; In advertisements or other promotional materials, non-patented technologies are called patented technologies; Non-patented technology is called patented technology in the contract; Forging or altering patent certificates, patent documents or patent application documents.