Patent:A patent is a legal document that grants the inventor the exclusive right to make, use, and sell their invention for a specified period, typically 20 years from the date of filing.
Prior Art:Prior art refers to the existing knowledge and technology that is publicly available before the filing of a patent application, which is used to determine the novelty and non-obviousness of an invention.
Patentable Subject Matter: Patentable subject matter refers to the types of inventions that are eligible for patent protection, such as processes, machines, manufactures, and compositions of matter.