| Serial Number | 86712640 |
| Word Mark | BLOCKSTACK |
| Filing Date | Monday, August 3, 2015 |
| Status | 710 - CANCELLED - SECTION 8 |
| Status Date | Friday, April 14, 2023 |
| Registration Number | 5052528 |
| Registration Date | Tuesday, October 4, 2016 |
| Mark Drawing | 4000 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, February 16, 2016 |
| Goods and Services | 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 |
| Pseudo Mark | BLOCK STACK |
| Goods and Services | 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 |
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021, 023, 026, 036, 038 |
| Class Status Code | 2 - Sec. 8 - Entire Registration |
| Class Status Date | Friday, April 14, 2023 |
| Primary Code | 009 |
| First Use Anywhere Date | Wednesday, February 18, 2015 |
| First Use In Commerce Date | Friday, May 1, 2015 |
| International Class | 042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software. |
| US Class Codes | 100, 101 |
| Class Status Code | 2 - Sec. 8 - Entire Registration |
| Class Status Date | Friday, April 14, 2023 |
| Primary Code | 042 |
| First Use Anywhere Date | Wednesday, February 18, 2015 |
| First Use In Commerce Date | Friday, May 1, 2015 |
| Party Name | BLOCKSTACK PBC |
| Party Type | 32 - New Owner After Registration |
| Legal Entity Type | 58 - NOT AVAILABLE |
| Address | NEW YORK, NY 10011 |
| Party Name | BLOCKSTACK INC. |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | NEW YORK, NY 10012 |
| Party Name | HALFMOON LABS INC. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | NEW YORK, NY 10013 |
| Party Name | HALFMOON LABS INC. |
| Party Type | 21 - New Owner After Publication |
| Legal Entity Type | 03 - Corporation |
| Address | NEW YORK, NY 10013 |
| Party Name | Blockstack, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | New York, NY 10012 |
| Party Name | Blockstack, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | San Francisco, CA 94118 |
| Event Date | Event Description |
| Friday, April 14, 2023 | CANCELLED SEC. 8 (6-YR) |
| Thursday, December 8, 2022 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Thursday, December 8, 2022 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Thursday, December 8, 2022 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Thursday, December 8, 2022 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Thursday, December 8, 2022 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Monday, October 4, 2021 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Friday, April 19, 2019 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Friday, April 19, 2019 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Wednesday, March 20, 2019 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Wednesday, April 18, 2018 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Tuesday, October 4, 2016 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, September 6, 2016 | ASSIGNMENT OF OWNERSHIP UPDATED MANUALLY |
| Tuesday, August 30, 2016 | EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED |
| Wednesday, August 10, 2016 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Monday, August 8, 2016 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Monday, August 8, 2016 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Monday, August 8, 2016 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Monday, August 8, 2016 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Monday, March 14, 2016 | EXTENSION OF TIME TO OPPOSE RECEIVED |
| Tuesday, February 16, 2016 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, February 16, 2016 | PUBLISHED FOR OPPOSITION |
| Wednesday, January 27, 2016 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Monday, December 7, 2015 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Monday, November 23, 2015 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Monday, November 23, 2015 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, November 23, 2015 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Friday, November 20, 2015 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Friday, November 20, 2015 | NON-FINAL ACTION E-MAILED |
| Friday, November 20, 2015 | NON-FINAL ACTION WRITTEN |
| Saturday, November 14, 2015 | ASSIGNED TO EXAMINER |
| Saturday, August 8, 2015 | NOTICE OF PSEUDO MARK E-MAILED |
| Friday, August 7, 2015 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, August 6, 2015 | NEW APPLICATION ENTERED |