Both patent and copyright are the forms of intellectual property rights and servers different purposes. The difference between this two are given below:

Copyright serves authors or the art work while patent focuses on inventors or the inventions.

Companies typically adopt copyright to safeguard their intellectual and creative works and copyright safeguard the art of idea.

Patent has a complex way by its registration and verification while copyright is easy to get.

Copyright emphasizes art, music, and photography. In comparison, the patent is applied to technologies and medical devices which have unique purpose.

Copyright registration renders the time limit from 70-170 years, depending on the type of artwork. On the contrary, the patent last for 15-20 years. That simply means copyright has a much higher validity while patent has less.