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Trademark Dashboard – UK Trademark Search & ClearanceUK Trademark — IPO
Sero
Application UK00000418689 · Dead
Quick Facts
| Application Number | UK00000418689 |
| Status | Dead |
| Owner | Ciro Pearls Limited |
| Filed | 1921-09-20 |
| Registered | 1921-09-20 |
| Renewal Due | 2005-09-20 |
| Type | Individual |
| Feature | Figurative |
| Attorney | See claim section below |
Is this trademark active?
Sero has a current status of Dead.
Goods & Services
The specification below is taken directly from the filed record at the UK IPO for each Nice class this trademark is registered in.
Class 14 — Jewellery & Watches
Imitation pearls
Device Elements (Vienna Classification)
This figurative mark is indexed under the following Vienna categories by the UK IPO:
- 27.08.00 — Forms of writing, numerals
Timeline
- Filed: 1921-09-20
- First published: 1921-12-14 (Journal 2281)
- Registered: 1921-09-20
- Renewal due: 2005-09-20
About This Trademark
'Sero' is a dead trademark on the UK IPO register, owned by Ciro Pearls Limited. The application (UK00000418689) was filed on 20 September 1921 and registered on 20 September 1921. The registration is set to expire on 20 September 2005.
This mark is recorded under Class 14 (precious metals, jewellery & watches).
The trademark is represented by Cleveland Scott York.
Frequently Asked Questions
Who owns 'Sero'?
According to the UK IPO register, 'Sero' is owned by Ciro Pearls Limited.
Is 'Sero' currently a registered trademark?
No — the UK IPO records the status of 'Sero' as dead.
What goods or services does 'Sero' cover?
'Sero' is registered in Class 14 (precious metals, jewellery & watches). The filed specification reads: Class 14: Imitation pearls
When was 'Sero' first filed?
The application for 'Sero' was filed on 20 September 1921 and the trademark was registered on 20 September 1921.
When was 'Sero' first published?
The UK IPO first published / advertised 'Sero' on 14 December 1921.
When does 'Sero' need to be renewed?
The current registration of 'Sero' is recorded as valid until 20 September 2005, at which point it will need to be renewed to remain in force.
Attorney of Record
This trademark has an attorney of record listed on the UK register. The firm has not yet claimed its listing on Trademark Dashboard.
Cross-Register Filings
Trademarks matching "Sero" have been found on the following foreign registers. Exact matches appear first; where the name also appears inside longer filings, those are listed below as similar marks. Same-owner matches are flagged where applicant names align across offices.
US — United States (USPTO)
| Mark | Ref | Status | Filed | Same Owner |
|---|---|---|---|---|
| SERO MENTAL HEALTH | 99504563 | 630 | 2025-11-19 | — |
Similar names
| Mark | Ref | Status | Filed | Same Owner |
|---|---|---|---|---|
| SERONOESIN | 99669831 | 630 | 2026-02-25 | — |
| SEROTONIN LONGEVITY & PERFORMANCE | 99668604 | 630 | 2026-02-24 | — |
| SEROVITALS360 | 99668632 | 630 | 2026-02-24 | — |
| SEROTONIN LONGEVITY CENTERS | 99668636 | 630 | 2026-02-24 | — |
Japan — Japan (Japan Patent Office)
| Mark | Ref | Status | Filed | Same Owner |
|---|---|---|---|---|
| seroinfiniteiseroinfinitei seroinfinitei sero infinitei | 2025036896 | Registered | 2025-04-04 | — |
Similar names
| Mark | Ref | Status | Filed | Same Owner |
|---|---|---|---|---|
| seroru | 2026024891 | Registered | 2026-03-06 | — |
| serora | 2025149040 | Registered | 2025-12-25 | — |
| seroshia | 2025118918 | Registered | 2025-10-16 | — |
| cheroshisutaazu seroshisutaazu | 2025123656 | Registered | 2025-10-15 | — |
Australia — Australia (IP Australia)
| Mark | Ref | Status | Filed | Same Owner |
|---|---|---|---|---|
| SERO | 2107440 | protected | 2020-07-29 | — |
| SERO-X | 2072811 | protected | 2020-03-02 | — |
Similar names
| Mark | Ref | Status | Filed | Same Owner |
|---|---|---|---|---|
| Calm of Serotonin | 2594544 | accepted | 2025-10-17 | — |
| SEROPAS HUT | 2496493 | protected | 2024-11-06 | — |
| SEROCEN | 2259236 | protected | 2022-03-28 | — |
Data Source
UK trademark data is supplied by the Intellectual Property Office under the Open Government Licence v3.0.
The “About This Trademark” summary and FAQ above are AI-generated from the register data shown on this page. They are factual summaries only — always verify details against the official register before making legal decisions.