It is the right of every investor to possess exclusive rights in their invention. By getting a patent, you can prevent people from making, using, or selling your vision.
Here, the government plays a cooperating role. Without legal permission, the government can debar everyone else from using that particular product for business purposes.
Suppose you have invented a product and wish to have a patent of it in your name. Now, the first step to get a patent is to check whether any similar patent exists. A Patent services provider cannot issue a patent for the same product multiple times.