patent
Coco Soodekにより

1. machine or article of manufacture
1.1. article made by man
2. patent requirements
2.1. patentable subject matter
2.1.1. process
2.1.1.1. process industrial or technial
2.1.1.2. method
2.1.1.2.1. business method patent
2.1.2. composition of matter
2.1.2.1. checmical compositions
2.1.2.2. mixtures of ingredients
2.1.2.3. new chemical compounds
2.2. novel
2.2.1. not already in any prior art
2.2.1.1. New node
2.3. useful
2.4. not obvious
2.4.1. to someone in the art