SIZEFERENCE
Live / Registered — Registered (as of 10 Feb 2026)
What this means for you
Registered since 10 Feb 2026. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 10 Feb 2032: the §71 affidavit of use).
Record
- Serial number
- 79399484
- Registration number
- 8131534
- Mark type
- Word mark
- Filed
- 16 Apr 2024
- Published for opposition
- 23 Dec 2025
- Registered
- 10 Feb 2026
- Next maintenance filing
- §71 affidavit of use, due by 10 Feb 2032 (grace period to 10 Aug 2032)
Goods and services
- Class 001 — Chemicals: Chemical substances, chemical materials and chemical preparations all being chemicals for use in science; chemical compositions and materials all being chemicals for use in science; chemical compositions and materials all being chemicals for use in calibrating scientific apparatus and instruments; calibration fluids being chemicals for use in scientific calibration; calibration fluids being chemicals for use in science for calibrating medical apparatus; calibration fluids being chemicals for use in science for use with bioanalysis apparatus; calibration fluids being chemicals for use in science for use with microscopes and electron microscopes
- Class 005 — Pharmaceuticals: Medical and veterinary diagnostic preparations; biological preparations for use with bioanalysis apparatus for medical or veterinary purposes.
Owner
- Refeyn Ltd, Oxford, GB
- Refeyn Ltd, Oxford, GB
- Refeyn Ltd, Oxford, GB
- Refeyn Ltd, GB
Prosecution history
- 03 Sept 2026 — FINAL DECISION TRANSACTION PROCESSED BY IB
- 13 Aug 2026 — FINAL DISPOSITION NOTICE SENT TO IB
- 12 Aug 2026 — FINAL DISPOSITION PROCESSED
- 02 Jul 2026 — NEW REPRESENTATIVE AT IB RECEIVED
- 04 Jun 2026 — WITHDRAWAL OF ATTORNEY GRANTED
- 04 Jun 2026 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED
- 10 May 2026 — FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB
- 10 Feb 2026 — NOTICE OF REGISTRATION CONFIRMATION EMAILED
- 10 Feb 2026 — REGISTERED-PRINCIPAL REGISTER
- 25 Dec 2025 — NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB
- 23 Dec 2025 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 23 Dec 2025 — PUBLISHED FOR OPPOSITION
- 17 Dec 2025 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 10 Dec 2025 — NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB
- 10 Dec 2025 — NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB