Dude, look it up on the internet. A patent lasts 20 years. The US Congress adjusted the number of years granted to a patent holder to 20 years from the time of the holder's application. This term is for any patent that was applied for on or after June 8, 1995. These patent terms apply for products alone, as design patents are granted for only 14 years. During this time, no person or company can make or recreate the product without express permission from the patent holder.
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