Merck & Co., Inc., applied for a patent on September 14, 1989, for a drug to treat

Question:

Merck & Co., Inc., applied for a patent on September 14, 1989, for a drug to treat manic depression, and the patent was granted on January 1, 1991. How long does patent protection for this drug last?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Question Posted: