Topic summary
Patentable

Extracted from the Wikipedia article Patentability.
Requirements
- Patentable subject matter, i.e., a kind of subject-matter eligible for patent protection (also called "statutory patentable subject-matter")
- Novel (i.e. at least some aspect of it must be new)
- Non-obvious (in United States patent law) or involve an inventive step (in European patent law and under the Patent Cooperation Treaty)
- Useful (in U.S. patent law) or be susceptible of industrial application (in European patent law)