PXI
Live / Allowed — Notice of allowance issued (as of 24 Feb 2026)
What this means for you
Approved and waiting on proof of use. It will register unless the applicant drops it, and its 26 Feb 2025 filing date already counts against anyone who files later.
Record
- Serial number
- 99057853
- Mark type
- Stylized text
- Filed
- 26 Feb 2025
- Published for opposition
- 30 Dec 2025
- Attorney of record
- Keith A. Weltsch
Goods and services
- Class 001 — Chemicals: Biological assays for research purposes; biological kits comprising reagents for the detection of biological analytes and for use in the fields of biological and diagnostic testing for industrial, scientific and research use; reagents for scientific purposes; reagents for medical research use
- Class 005 — Pharmaceuticals: Diagnostic reagents for medicinal and veterinary use; Biological medical and veterinary assays and reagents for medical and diagnostic testing purposes; biological kits comprising reagents for detection of biological analytes and for use in the fields of biological and diagnostic testing for medical and veterinary use
- Class 009 — Scientific and electric apparatus: Multi-well plates that can be used in chemical or biological analysis for scientific, laboratory or medical research use
- Class 042 — Scientific and technological services: Research and development in the field of assays for the detection and measurement of molecules, proteins, and peptides in biological samples and environmental samples; providing biological and biochemical sample testing services through the performance of assays in the fields of scientific and clinical research; laboratory biomarker analysis services and related data analysis, namely, data analysis relating to the detection and measurement of biomarkers in samples in the fields of scientific and clinical research
Owner
- Meso Scale Diagnostics, LLC., Rockville, MD, US
- Meso Scale Diagnostics, LLC., Rockville, MD, US
Prosecution history
- 24 Feb 2026 — NOA E-MAILED - SOU REQUIRED FROM APPLICANT
- 30 Dec 2025 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 30 Dec 2025 — PUBLISHED FOR OPPOSITION
- 24 Dec 2025 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 02 Dec 2025 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 02 Dec 2025 — EXAMINER'S AMENDMENT ENTERED
- 02 Dec 2025 — NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
- 02 Dec 2025 — EXAMINERS AMENDMENT E-MAILED
- 02 Dec 2025 — EXAMINERS AMENDMENT -WRITTEN
- 05 Nov 2025 — TEAS/EMAIL CORRESPONDENCE ENTERED
- 05 Nov 2025 — CORRESPONDENCE RECEIVED IN LAW OFFICE
- 05 Nov 2025 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
- 05 Aug 2025 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
- 05 Aug 2025 — NON-FINAL ACTION E-MAILED
- 05 Aug 2025 — NON-FINAL ACTION WRITTEN