Legal Representation
Attorney
Susan Piascik Christoff
USPTO Deadlines
Next Deadline
14 days remaining
Non-Final Action E-Mailed
Due Date
January 29, 2026
Extension Available
Until April 29, 2026
Application History
10 events| Date | Code | Type | Description | Documents |
|---|---|---|---|---|
| Nov 19, 2025 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Nov 19, 2025 | ARAA | I | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | Loading... |
| Nov 19, 2025 | REAP | I | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | Loading... |
| Oct 29, 2025 | GNRN | O | NOTIFICATION OF NON-FINAL ACTION E-MAILED | Loading... |
| Oct 29, 2025 | GNRT | F | NON-FINAL ACTION E-MAILED | Loading... |
| Oct 29, 2025 | CNRT | R | NON-FINAL ACTION WRITTEN | Loading... |
| Oct 27, 2025 | DOCK | D | ASSIGNED TO EXAMINER | Loading... |
| Oct 12, 2025 | NWOS | I | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | Loading... |
| Jun 5, 2025 | MAFR | O | APPLICATION FILING RECEIPT MAILED | Loading... |
| Jun 5, 2025 | NWAP | I | NEW APPLICATION ENTERED | Loading... |
Detailed Classifications
Class 042
User authentication services using blockchain technology for building verifiable-trust infrastructure
First Use Anywhere:
Jan 30, 2025
First Use in Commerce:
Jun 3, 2025
Additional Information
Pseudo Mark
MILLENIUM
Classification
International Classes
042