Patent Terms Glossary

Practitioner

Definition:
One who stands for or acts on behalf of another. A patent attorney or patent agent may represent the inventors named in a patent application.

Coinventor

Definition:
An inventor who is named with at least one other inventor in a patent application, wherein each inventor contributes to the conception creation of the invention.

Express Mail Mailing Label

Definition:
Patent correspondence delivered to the USPTO via the "Express Mail Post Office to Addressee" service of the USPS which is considered filed in the Office on the date of deposit with the USPS.

Appeal (trademark)

Definition:
An applicant who wants to contest a final refusal from an examining attorney may file an appeal to the Trademark Trial and Appeal Board.

Assignor

Definition:
The owner of record of a patent application, patent, trademark application or trademark registration who is transferring ownership to another entity (assignee)

Defensive publication

Definition:
A publication and disclosure to the public of a pending patent application.

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