Patent Terms Glossary

Patent Infringement

Definition:
Unauthorized making, using, offering to sell, selling or importing into the United States any patented invention.

Serial Number

Definition:
A number assigned to a patent application when it is filed. A serial number is usually used together with a two digit series code to distinguish between applications filed at different times.

National Stage Application

Definition:
An application which has entered the national phase of the Patent Cooperation Treaty by the fulfillment of certain requirements in a national Office, which is an authority entrusted with the granting of national or regional patents.

Doctrine Of Equivalents

Definition:
A judicially created theory for finding patent infringement when the accused process or product falls outside the literal scope of the patent claims.

PAC

Definition:
Patent Assistance Center (prior), now the Inventors Assistance Center or IAC.

Amendment To Allege Use

Definition:
A sworn statement signed by the applicant or a person authorized to sign on behalf of the applicant attesting to use of the mark in commerce.

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