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For applications filed on or after June 8, 1995, utility
and plant patents are granted for a term
which begins with the date of the grant
and usually ends 20 years from the date you first applied
for the patent subject to the payment of appropriate maintenance
fees. Design patents last 14 years
from the date you are granted the patent. No maintenance
fees are required for design patents.
Note: Patents in force on June 8, 1995 and patents
issued thereafter on applications filed prior to June
8, 1995 automatically have a term that is the greater
of the twenty year term discussed above or seventeen years
from the patent grant.
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