Patent Terms Glossary

Administrative Instructions

Definition:
Set out the provisions and requirements in relation to the filing and processing of the international (patent) application under the PCT.

eTEAS

Definition:
Electronic Trademark Examination Application System - electronic trademark filing system. It allows the public to complete various trademark filings and transactions on-line.

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.

Reexamination Proceeding

Definition:
At any time during the enforceability of a patent any person may file a request for the USPTO to conduct a second examination of any claim of the patent on the basis of prior art patents or printed publications.

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.

Combination Patent

Definition:
A patent granted for an invention that unites existing components in a novel way.

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