L-PLEX
Live / Allowed — Fourth extension granted (statement of use) (as of 24 Sept 2026)
What this means for you
Approved and waiting on proof of use. It will register unless the applicant drops it, and its 21 Nov 2023 filing date already counts against anyone who files later.
Record
- Serial number
- 98280449
- Mark type
- Word mark
- Filed
- 21 Nov 2023
- Published for opposition
- 30 Jul 2024
- Attorney of record
- Keith A. Weltsch
Goods and services
- Class 001 — Chemicals: Biological assays for research purposes; biological kits comprising arrays and reagents for detection and measurement of biological analytes for use in the fields of biological and diagnostic testing for industrial, scientific and/or research use; biological kits comprising reagents for detection and measurement of biological analytes for use in the fields of biological and diagnostic testing for industrial, scientific and/or research use; biological kits comprising arrays for detection and measurement of biological analytes for use in the fields of biological and diagnostic testing for industrial, scientific and/or research use
- Class 005 — Pharmaceuticals: Biological medical and veterinary assays for medical and diagnostic testing purposes; biological kits comprising arrays and reagents for detection of biological analytes and for use in the fields of biological and diagnostic testing for medical and/or veterinary use; biological kits comprising arrays for detection of biological analytes and for use in the fields of biological and diagnostic testing for medical and/or veterinary use; biological kits comprising reagents for detection of biological analytes and for use in the fields of biological and diagnostic testing for medical and/or 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; Cartridges for use in chemical or biological analysis for scientific, laboratory or medical research use
- Class 042 — Scientific and technological services: Research and development in the fields of assays, selection, screening, testing, imaging and diagnostics using electrochemiluminescence; providing biological and biochemical sample testing for others through the performance of assays in the fields of scientific and clinical research; scientific research and development
Owner
- Meso Scale Diagnostics, LLC., Rockville, MD, US
- Meso Scale Diagnostics, LLC., Rockville, MD, US
Prosecution history
- 25 Sept 2026 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 24 Sept 2026 — SOU EXTENSION 4 GRANTED
- 24 Sept 2026 — SOU EXTENSION 4 FILED
- 24 Sept 2026 — SOU TEAS EXTENSION RECEIVED
- 25 Mar 2026 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 24 Mar 2026 — SOU EXTENSION 3 GRANTED
- 24 Mar 2026 — SOU EXTENSION 3 FILED
- 24 Mar 2026 — SOU TEAS EXTENSION RECEIVED
- 25 Sept 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 24 Sept 2025 — SOU EXTENSION 2 GRANTED
- 24 Sept 2025 — SOU EXTENSION 2 FILED
- 24 Sept 2025 — SOU TEAS EXTENSION RECEIVED
- 25 Mar 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 25 Mar 2025 — SOU EXTENSION 1 GRANTED
- 24 Mar 2025 — SOU EXTENSION 1 FILED