NA85
NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
10/30/2025
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Official data from USPTO
STACK OVERFLOW
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
STACK OVERFLOW
ST13
US500000087772598Class
9, 42
Filing
87772598
Registration
5803103
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
29
Latest update
10/31/2025
Trademark type
Word
Nice classes
9, 42
Filing date
01/26/2018
Registration date
07/16/2019
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
10/30/2025
Last transaction
10/31/2025
Responsible office
United States Patent and Trademark Office
Status code
702
Official register
Principal Register
First use anywhere
03/31/2016
First use in commerce
03/31/2016
Drawing code
4
Owner type
03
Owner location
New York, CO
Examiner
BUONGIORNO,CHRISTOPHER L
Current location
Historical data usage
Holders and representatives
Holders
Stack Exchange, Inc.
Stack Exchange, Inc.
Representatives
Michael A. Geller DLA Piper LLP (US)
Technical classification
Nice Classes
Class 9Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
Downloadable computer program allowing users within an organization to ask and answer questions on a variety of topics of general interestto search for and obtain information requested by usersto locate specific information requested by usersto create a community within an organization for registered users to participate in discussionsto get feedback from peers within an organizationto form virtual communitiesto engage in social networking; downloadable mobile applications featuring user-defined informationallowing users to ask and answer questions on a variety of topics of general interestproviding search engines for obtaining information requested by usersproviding customized searching to locate specific information requested by userscreating a community for registered users to participate in discussionsgetting feedback from peersforming virtual communitiesengaging in social networking
Class 42
Computer servicesproviding customized online websites featuring user-defined information; computer serviceshosting a webpage for users to ask and answer questions on a variety of topics of general interestproviding search engines for obtaining information requested by users on a global computer networkproviding customized computer searching of a webpage to locate specific information requested by userscreating an on-line community for registered users to participate in discussionsget feedback from their peersform virtual communitiesengage in social networking; application service provider featuring application programming interface (API) software for use in building software applications
Publications
History of USPTO decisions and trademark events.
29 publications found
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
10/30/2025
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
10/30/2025
E815
TEAS SECTION 8 & 15 RECEIVED
07/03/2025
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
07/16/2024
R.PR
REGISTERED-PRINCIPAL REGISTER
07/16/2019
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
04/30/2019
PUBO
PUBLISHED FOR OPPOSITION
04/30/2019
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
04/10/2019
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
03/20/2019
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
03/05/2019
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
03/05/2019
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/05/2019
ALIE
ASSIGNED TO LIE
03/01/2019
ERSI
TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED
02/26/2019
GNS3
NOTIFICATION OF LETTER OF SUSPENSION E-MAILED
10/26/2018
GNSL
LETTER OF SUSPENSION E-MAILED
10/26/2018
CNSL
SUSPENSION LETTER WRITTEN
10/26/2018
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
10/08/2018
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
10/08/2018
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
10/08/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/20/2018
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/20/2018
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
05/10/2018
GNRT
NON-FINAL ACTION E-MAILED
05/10/2018
CNRT
NON-FINAL ACTION WRITTEN
05/10/2018
DOCK
ASSIGNED TO EXAMINER
05/08/2018
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
02/07/2018
NWAP
NEW APPLICATION ENTERED
01/30/2018
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