How do I - search by Patent Number?


To search by Patent Number click on the radio button labeled “Patent Number”, type in the Patent Number at the “Enter number” field, and click on the “Search” button.
Public and Private PAIR customers may search by patent number,required that the patent has been issued. Text and images for both granted patents and published applications is located at USPTO Issued Patent and Published Applications.

Results of Search by Patent Number:

Application Data displays:

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

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) appearswhen one or more electronic reference forms (PTO-892 and/or Information Disclosure Statement) 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 application within USPTO. Same as Transaction History in Public PAIR.

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 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 information 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"). Read 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. For text and images for granted patents and published applications see USPTO Issued Patent and Published Applications.

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

Publication Review (Private PAIR) appears 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.

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

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

Additional selections available once a patent is displayed are:

Continuity Data provides Parent and Child data about the selected patent. "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 option appears in the Private PAIR drop-down list only when one or more electronic reference forms (PTO-892 and/or IDS) 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 provides information about the history of this patent within USPTO. "Foreign Priority" contains information identifying foreign applications that are relied upon under 35 U.S.C. 119 (a) - (d) or (f) by this application.

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 one or more document images are available for online viewing. 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.

Printer Friendly Version 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.

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

Publication Review appears in the Private PAIR drop-down list for applications subject to publication under 35 USC 1.22(b). This option allows applicants to enter and submit Correction Requests to data shown on the Publication Review screen to match previously filed application papers.
USPTO FAQ - Questions and Answers (12DEC2006)