- 藍∮玲Lv 71 0 年前最佳解答
The United States patent laws dictate certain
situations under which an inventor may be prohibited from obtaining a patent
even though an invention is new, useful, and non-obvious. These situations are
referred to as “statutory bars” because they operate to bar (preclude) a patent
on an invention.
- GrtreykLv 41 0 年前