Patents are expensive. Patents are important. You might think, therefore, that it would be easy to determine how long a patent lasts, right?
Sadly, you’d be wrong.
In the past, it was pretty easy: The first US patent was granted 227 years ago today, on July 31, 1790. It had a “term not exceeding fourteen years” as can be plainly seen at 1 Stat. 110.
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