Patent Terms Glossary

USPTO

Definition:
United States Patent and Trademark Office, designation became effective April 3, 2000; a result of the American Inventors Protection Act of 1999.

Blackout Period

Definition:
The period between the date the examining attorney approves the mark for publication and the date of issuance of the Notice of Allowance.

Defensive publication

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

Confirmation Number

Definition:
The confirmation number, in combination with the application number, is used to verify the accuracy of the application number placed on correspondence filed with the Office to avoid misidentification.

Canceled

Definition:
Trademark registration is no longer viable. It may be due to the registrant's failure to file the required continued use affidavit under Section 8 of the Trademark Act.

Patent and Trademark Depository Library

Definition:
A library designated by the USPTO to receive copies of patents, CD-ROMs containing registered and pending marks, and patent and trademark materials that are made available to the public for free.

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