Under United States law, a patent is a right granted to the inventor of a (1) process, machine, article of manufacture, or composition of matter, (2) that is newuseful and non-obvious. A patent is the right to exclude others, for a limited time (usually, 20 years) from profiting off a patented technology without the consent of the patent-holder. Specifically, it is the right to exclude others from making, using, selling, offering for sale, importing, inducing others to infringe and/or offering a product specially adapted for practice of the patent.