Which of the following cannot be patentable as inventions under section 101 of the U.S. Patent Act?
ANew and useful machines
BFormulas正確答案
CNew and useful manufactures
DNew and useful compositions of matter
答案與詳解
Formula(公式)屬於抽象概念(abstract idea),依美國最高法院判例屬第101條的司法例外,不可專利。這才是題目要選的答案。
