What is a patent?

So what is a patent? A patent is an exclusive right to be able to make, use and sell
an invention. In the United States, it last for 20 years if it’s a utility patent. There are some other types of patents. There is a design patent that protects the way something looks, not the way it functions. That is a fourteen year right. So there are multiple ways to get a patent. It protects an idea when you’re talking about a utility patent