An invention is a unique or novel device, method, composition, idea or process. An invention may be an improvement upon a machine, product, or process for increasing efficiency or lowering cost. It may also be an entirely new concept. If an idea is unique enough either as a stand alone invention or as a significant improvement over the work of others, it can be patented. A patent, if granted, gives the inventor a proprietary interest in the patent over a specific period of time, which can be licensed for financial gain.

Cover of Science and Invention Magazine
'BUILD YOUR OWN TELEVISION RECEIVER.' Science and Invention magazine cover, November 1928

An inventor creates or discovers an invention. The word inventor comes from the Latin verb invenire, invent-, to find.[1][2] Although inventing is closely associated with science and engineering, inventors are not necessarily engineers or scientists.[3] Due to advances in artificial intelligence, the term "inventor" no longer exclusively applies to an occupation (see human computers).[4]

Some inventions can be patented. The system of patents was established to encourage inventors by granting limited-term, limited monopoly on inventions determined to be sufficiently novel, non-obvious, and useful. 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.[5] The Institute for Social Inventions collected many such ideas in magazines and books.[6] Invention is also an important component of artistic and design creativity. Inventions often extend the boundaries of human knowledge, experience or capability.

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