An invention is a unique or novel device, method, composition or process. The invention process is a process within an overall engineering and product development process. It may be an improvement upon a machine or product or a new process for creating an object or a result . An invention that achieves a completely unique function or result may be a radical breakthrough. Such works are novel and not obvious to others skilled in the same field . An inventor may be taking a big step toward success or failure.
Some inventions can be patented. A patent legally protects the intellectual property rights of the inventor and legally recognizes that a claimed invention is actually an invention . The rules and requirements for patenting an invention vary by country and the process of obtaining a patent is often expensive.
Another meaning of invention is cultural invention , which is an innovative set of useful social behaviours adopted by people and passed on to others.