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Did You Know?

There is a time limit on patent protection.

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. Note: Patents in force on June 8 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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Disclosure Document

Definition:
A document disclosing an invention, and signed by the inventor or inventors, that is forwarded to the USPTO only as evidence of the date of conception of the invention.

Classification

Definition:
Patents are classified (organized) in the U.S. by a system using a 3 digit class and a 3 digit subclass to describe every similar grouping of patent art.

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