In the U.S. Supreme Court case, Graver Tank & Mfg. Co. v. Linde Air Prods., Inc., the court held that "a patentee may invoke this doctrine to proceed against the producer of a device 'if it performs substantially the same function in substantially the same way to obtain the same result.'" Which of the following is "this doctrine" referring to?
AAll elements rule.
BThe doctrine of equivalents.正確答案
CTSM test.
DThe doctrine of exhaustion.
答案與詳解
