DIFFUSPHERE
Live / Applied — Third extension granted (statement of use) (as of 31 Mar 2026)
What this means for you
Not registered yet, but its 27 Nov 2023 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
- 98286765
- Mark type
- Stylized text
- Filed
- 27 Nov 2023
- Published for opposition
- 10 Sept 2024
- Attorney of record
- Brandon P. Leahy
Goods and services
- Class 005 — Pharmaceuticals: drug delivery agents consisting of compounds that facilitate delivery of a wide range of pharmaceuticals; pharmaceutical drug delivery systems, namely, polymer-based drug delivery formulations being oral tablets used with various medications for sustained release of medication into the body; drug delivery formulations for medical use, namely, drug delivery agents in the form of powder and liquid that provide diffused release in the nature of controlled release of the active ingredients for a wide variety of pharmaceuticals; drug delivery formulations for medical use, namely, drug delivery agents in the form of micro-thin polymer coated microspheres for sustained drug delivery
Owner
- Eupraxia Pharmaceuticals, Inc., Victoria, CA
- Eupraxia Pharmaceuticals, Inc., Victoria, CA
Prosecution history
- 02 Apr 2026 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 31 Mar 2026 — SOU EXTENSION 3 GRANTED
- 31 Mar 2026 — SOU EXTENSION 3 FILED
- 31 Mar 2026 — SOU TEAS EXTENSION RECEIVED
- 15 Oct 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 15 Oct 2025 — SOU EXTENSION 2 GRANTED
- 14 Oct 2025 — SOU EXTENSION 2 FILED
- 14 Oct 2025 — SOU TEAS EXTENSION RECEIVED
- 04 Mar 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 04 Mar 2025 — SOU EXTENSION 1 GRANTED
- 03 Mar 2025 — SOU EXTENSION 1 FILED
- 03 Mar 2025 — SOU TEAS EXTENSION RECEIVED
- 05 Nov 2024 — NOA E-MAILED - SOU REQUIRED FROM APPLICANT
- 10 Sept 2024 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 10 Sept 2024 — PUBLISHED FOR OPPOSITION