XDNASE
Live / Applied — Fourth extension granted (statement of use) (as of 15 Jan 2026)
What this means for you
Not registered yet, but its 25 Jan 2022 filing date beats anything filed after it. If it registers, the owner can stop confusingly similar uses in the classes it covers.
Record
- Serial number
- 97236766
- Mark type
- Stylized text
- Filed
- 25 Jan 2022
- Published for opposition
- 18 Jul 2023
- Attorney of record
- Alyce Zawacki
Goods and services
- Class 001 — Chemicals: Cells for scientific and research use
- Class 005 — Pharmaceuticals: Cells for medical or clinical use; Therapeutic agents for medical or clinical use in the nature of cancer treatment, namely, protein therapeutics
Owner
- XENETIC BIOSCIENCES, INCORPORATED, Framingham, MA, US
- XENETIC BIOSCIENCES, INCORPORATED, Framingham, MA, US
Prosecution history
- 16 Jan 2026 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 15 Jan 2026 — SOU EXTENSION 4 GRANTED
- 12 Sept 2025 — SOU EXTENSION 4 FILED
- 12 Sept 2025 — SOU EXTENSION 3 GRANTED
- 12 Mar 2025 — SOU EXTENSION 3 FILED
- 09 Jan 2026 — NOTICE OF REVIVAL - E-MAILED
- 09 Jan 2026 — PETITION GRANTED - EXTENSION REQUEST FILED
- 09 Jan 2026 — TEAS RESPONSE TO PETITION DEFICIENCY RECEIVED
- 16 Dec 2025 — TEAS RESPONSE TO PETITION DEFICIENCY RECEIVED
- 11 Dec 2025 — INCOMPLETE PETITION NOTICE MAILED
- 10 Dec 2025 — ASSIGNED TO PETITION STAFF
- 12 Sept 2025 — PETITION TO REVIVE-RECEIVED
- 06 Nov 2025 — CASE ASSIGNED TO INTENT TO USE PARALEGAL
- 12 Sept 2025 — SOU EXTENSION RECEIVED WITH TEAS PETITION
- 12 Sept 2025 — NOTICE OF REVIVAL - E-MAILED