| Serial Number | 87910463 |
| Word Mark | QUARKCHAIN |
| Filing Date | Monday, May 7, 2018 |
| Status | 702 - SECTION 8 & 15 - ACCEPTED AND ACKNOWLEDGED |
| Status Date | Friday, September 26, 2025 |
| Registration Number | 5759097 |
| Registration Date | Tuesday, May 21, 2019 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, October 23, 2018 |
| Goods and Services | Computer software, namely, downloadable software for use in trading, clearing, confirmation, and financial trading risk management for exchange market transactions in the field of digitized assets such as bitcoins, cryptocurrency, digital tokens, virtual currency, and digital currency; downloadable computer software used for authenticating, facilitating, matching, processing, clearing, storing, receiving, tracking, transferring, and submitting trade data, exchanging of trading transaction details, and management of the overall trading lifecycle of digitized assets such as bitcoins, cryptocurrency, digital tokens, virtual currency, and digital currency; downloadable computer software for use with blockchain technology, namely, for the storage of public, private and encrypted data, transactions and information; mobile application software for management of user accounts and transactions involving digitized assets such as bitcoins, cryptocurrency, digital tokens, virtual currency, and digital currency; downloadable computer software for clearing, allocation, compliance, recordation and settlement of trading related to bitcoins, cryptocurrency, digital tokens, virtual currency, and digital currency; downloadable computer software for use with a blockchain technology-based, distributed database ledger for the storage of public, private and encrypted data, transactions and information |
| Pseudo Mark | QUARK CHAIN |
| 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 | 6 - Active |
| Class Status Date | Wednesday, May 16, 2018 |
| Primary Code | 009 |
| First Use Anywhere Date | Monday, September 17, 2018 |
| First Use In Commerce Date | Monday, September 17, 2018 |
| Party Name | QUARKCHAIN FOUNDATION LTD. |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 11 - Company |
| Address | SINGAPORE 189352 SG |
| Party Name | QuarkTech LTD. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 99 - Other |
| Address | Tortola VG1110 VG |
| Party Name | QuarkTech LTD. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 99 - Other |
| Address | Tortola VG1110 VG |
| Party Name | QuarkTech LTD. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 99 - Other |
| Address | Tortola VG1110 VG |
| Event Date | Event Description |
| Wednesday, September 12, 2018 | ASSIGNED TO LIE |
| Thursday, May 10, 2018 | NEW APPLICATION ENTERED |
| Wednesday, May 16, 2018 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, August 28, 2018 | ASSIGNED TO EXAMINER |
| Thursday, August 30, 2018 | EXAMINERS AMENDMENT -WRITTEN |
| Thursday, August 30, 2018 | EXAMINER'S AMENDMENT ENTERED |
| Thursday, August 30, 2018 | EXAMINERS AMENDMENT E-MAILED |
| Thursday, August 30, 2018 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Thursday, August 30, 2018 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Tuesday, October 23, 2018 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Monday, April 1, 2019 | TEAS STATEMENT OF USE RECEIVED |
| Wednesday, April 17, 2019 | CASE ASSIGNED TO INTENT TO USE PARALEGAL |
| Thursday, April 18, 2019 | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED |
| Wednesday, October 3, 2018 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, October 23, 2018 | PUBLISHED FOR OPPOSITION |
| Tuesday, December 18, 2018 | NOA E-MAILED - SOU REQUIRED FROM APPLICANT |
| Monday, April 1, 2019 | USE AMENDMENT FILED |
| Wednesday, April 17, 2019 | STATEMENT OF USE PROCESSING COMPLETE |
| Wednesday, April 17, 2019 | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED |
| Tuesday, May 21, 2019 | REGISTERED-PRINCIPAL REGISTER |
| Friday, September 26, 2025 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Friday, September 26, 2025 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Friday, September 26, 2025 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |
| Friday, July 25, 2025 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Tuesday, May 21, 2024 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Thursday, May 15, 2025 | TEAS SECTION 8 & 15 RECEIVED |