How do I - search by Application Number?

Note: To retrieve unpublished applications in progress, Search by Application Number requires the user have a USPTO-issued Entrust/Direct Certificate to view unpublished applications in progress.

To search by Application Number click on the radio button labeled “Application Number”, type in the Application Number at the “Enter number” field, and click on the “Search” button.

Search by Application Number may also be used to retrieve information about reexamination proceedings by entering the eight-digit control number into the “Enter Number” field .

Results of Search by Application Number:

Address & Attorney/Agent displays information regarding the correspondence address of the application and a list of the attorneys having power of attorney.

 Additional selections available once an application number is displayed are:

Assignments (Private PAIR) displays information regarding transfer of ownership of a patent application or patent from one entity to another. Assignments are recorded with the USPTO Assignment Services Division to maintain clear title to pending patent applications and patents.

Continuity Data provides Parent and Child data about the selected application. "Parent Continuity Data" describes previous applications that are relied upon for priority under 35 U.S. C. 119(e) or 120 in this application or patent. "Child Continuity Data" describes later applications that rely upon this application for priority under 35 U.S. C. 120.

Display References (Private PAIR) option appears in the Private PAIR drop-down list only when one or more electronic reference forms (PTO-892 and/or I nformation D isclosure S tatement) are available for download. Select this option to view a list of electronic reference forms, sorted by Mail Date. In the "Form Type" column, click the desired reference form link. The E-Patent Reference service will launch and retrieve a list of cited US references available for download.

File History (Private PAIR) provides information about the history of this patent application within USPTO . Same as Transaction History in Public PAIR.

First Action Prediction (Private Pair) appears when information on approximately when the customer will be receiving a first action from the examiner is available.

Foreign Priority contains information identifying foreign applications that are relied upon under 35 U.S.C. 119 (a) - (d) or (f) by this application.

Image File Wrapper option appears in the Private PAIR drop-down list only when the official USPTO record is electronic and one or more document images are available for online viewing. See Review Image File Wrapper for more details.

Maintenance Fee I information about maintenance fees may also be obtained through PAIR. Patentees and members of the public viewing this data should double check the information with Maintenance Fee Division, before, for example, assuming that 'no fees to pay' means that all of the fees have been paid. Such a message may also appear if the period for payment of maintenance fee has expired and the patent has now expired.

Maintenance Fees - Retrieve fees to pay provides information about maintenance fees to be paid. Maintenance Fees - View payment windows provides information about dates payments are due. Maintenance Statement - View ... year payment window provides information regarding maintenance fees previously paid for the  payment year selected.

Patent Term Adjustment History or Patent Term Extension History displays the calculated adjustment to the term of the patent. All calculations displayed on the PAIR screen are determined by a computer program that uses the information recorded in the Office's automated patent application information system (the Patent Application Location and Monitoring system or "PALM"). Click Patent Term Adjustment or Patent Term Extension for more detailed explanations. The arrow(s) in the Patent Term History display the measuring period for both applicant's delays and administrative delays by the USPTO. The box in which the initial up-arrow is located signifies the starting point of the delay being measured. The box in which the number is located signifies the event which stops the measurement. The number represents the amount of days that either the applicant or the USPTO delayed in prosecution of the application. The column with the heading (PTO) days signifies that the delays in that column reflect administrative delays by the Office. The column APPL (Days) signifies delays that reduce the amount of PTA awarded in the PTO (days) column.

Print View (Public PAIR) or Printer Friendly Version (Private PAIR) provides a black and white display for ease of printing the displayed information.

Published Documents links to the patent or published application in the USPTO Issued Patent and Published Applications web databases. The USPTO Issued Patent and Published Applications text and images for granted patents and published applications is located at:

Publication Dates appears when multiple publications of an application are available, and displays a list for user selection.

Publication Review (Private PAIR) appears in the Private PAIR drop-down list for applications subject to publication under 35 USC 1.22(b). This option allows applicants or their designated representatives to enter and submit Correction Requests to data shown on the Publication Review screen to match previously filed application papers.

Transaction History (Public PAIR) provides information about the history of this application within USPTO. Same as File History in Private PAIR.

Supplemental Content appears when non-TIFF image items are available for the application – e.g. Sequence Listings, mega table sections stored as artifacts, etc.

>> see Glossary definition in new window for definitions of terms and links to additional information

USPTO FAQ - Questions and Answers (12DEC2006)