Trademark: 86712640
Word
BLOCKSTACK
Status
Dead
Status Code
710
Status Date
Friday, April 14, 2023
Serial Number
86712640
Registration Number
5052528
Registration Date
Tuesday, October 4, 2016
Mark Type
4000
Filing Date
Monday, August 3, 2015
Published for Opposition
Tuesday, February 16, 2016
Cancellation Date
Friday, April 14, 2023

Trademark Owner History
BLOCKSTACK PBC -
BLOCKSTACK INC. -
HALFMOON LABS INC. - Original Registrant
Blockstack, Inc. - Owner At Publication

Classifications
9 Computer software for encryption; Software for enterprise blockchain development and implementation, execution and management of secure data transactions, management of data escrow, and provisioning of shared and/or distributed ledgers; Software for representation of data involved in and/or described in data transactions; Computer software platforms for enterprise blockchains; Application programming interface (API) software for development, testing, and integration of blockchain software applications to shared and/or distributed ledgers
42 Application service provider featuring application programming interface (API) software for providing a platform for the development, testing, and integration of blockchain software applications; Computer services, namely, acting as an application service provider in the field of information management to host computer application software for the purpose of developing, testing, and integrating blockchain applications and software
BLOCK STACK

Trademark Events
Apr 14, 2023
Cancelled Sec. 8 (6-Yr)
Dec 8, 2022
Applicant/Correspondence Changes (Non-Responsive) Entered
Dec 8, 2022
Teas Change Of Correspondence Received
Dec 8, 2022
Attorney/Dom.Rep.Revoked And/Or Appointed
Dec 8, 2022
Teas Revoke/App/Change Addr Of Atty/Dom Rep Received
Dec 8, 2022
Teas Change Of Owner Address Received
Oct 4, 2021
Courtesy Reminder - Sec. 8 (6-Yr) E-Mailed
Apr 19, 2019
Applicant/Correspondence Changes (Non-Responsive) Entered
Apr 19, 2019
Teas Change Of Owner Address Received
Mar 20, 2019
Automatic Update Of Assignment Of Ownership
Apr 18, 2018
Automatic Update Of Assignment Of Ownership
Oct 4, 2016
Registered-Principal Register
Sep 6, 2016
Assignment Of Ownership Updated Manually
Aug 30, 2016
Extension Of Time To Oppose Process - Terminated
Aug 10, 2016
Assignment Of Ownership Not Updated Automatically
Aug 8, 2016
Applicant/Correspondence Changes (Non-Responsive) Entered
Aug 8, 2016
Teas Change Of Owner Address Received
Aug 8, 2016
Attorney/Dom.Rep.Revoked And/Or Appointed
Aug 8, 2016
Teas Revoke/App/Change Addr Of Atty/Dom Rep Received
Mar 14, 2016
Extension Of Time To Oppose Received
Feb 16, 2016
Official Gazette Publication Confirmation E-Mailed
Feb 16, 2016
Published For Opposition
Jan 27, 2016
Notification Of Notice Of Publication E-Mailed
Dec 7, 2015
Approved For Pub - Principal Register
Nov 23, 2015
Teas/Email Correspondence Entered
Nov 23, 2015
Correspondence Received In Law Office
Nov 23, 2015
Teas Response To Office Action Received
Nov 20, 2015
Notification Of Non-Final Action E-Mailed
Nov 20, 2015
Non-Final Action E-Mailed
Nov 20, 2015
Non-Final Action Written
Nov 14, 2015
Assigned To Examiner
Aug 8, 2015
Notice Of Pseudo Mark E-Mailed
Aug 7, 2015
New Application Office Supplied Data Entered
Aug 6, 2015
New Application Entered

Trademark Alertz updated from USPTO on 2030-01-24