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Trademark Dashboard – UK Trademark Search & ClearanceUK Trademark — IPO
LK
Application UK00000433870 · Dead
Quick Facts
| Application Number | UK00000433870 |
| Status | Dead |
| Owner | Laur Knudsen Aktieselskab |
| Filed | 1923-02-02 |
| Registered | 1923-02-02 |
| Renewal Due | 2007-02-02 |
| Type | Individual |
| Feature | Figurative |
| Attorney | See claim section below |
Is this trademark active?
LK has a current status of Dead.
Mark Details (as filed at the IPO)
Disclaimer
No claim is made to the exclusive use of the letters "L.K."
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 9 — Electrical & IT
Electrical apparatus and instruments, all for use in science, surveying, photography, cinematography, weighing, measuring, signalling, checking (supervision), lifesaving and teaching; electric nautical apparatus and instruments; electric optical apparatus and instruments; electric apparatus for recording, transmission or reproduction of sound or images; electric coin and counter freed apparatus; electric talking machines; electric calculating machines; electro-magnets; electric cables; x-ray apparatus; electric testing apparatus; batteries; electric thermometers.
Class 11 — Lighting & Heating
Electric lighting apparatus.
Device Elements (Vienna Classification)
This figurative mark is indexed under the following Vienna categories by the UK IPO:
- 26.03.00 — Geometrical figures and solids
- 27.05.01 — Forms of writing, numerals
Timeline
- Filed: 1923-02-02
- First published: 1923-06-06 (Journal 2358)
- Registered: 1923-02-02
- Renewal due: 2007-02-02
About This Trademark
'LK' is a dead trademark on the UK IPO register, owned by Laur Knudsen Aktieselskab. The application (UK00000433870) was filed on 2 February 1923 and registered on 2 February 1923. The registration is set to expire on 2 February 2007.
This mark is recorded under multiple classes: Class 9 (scientific, electrical & IT apparatus); Class 11 (lighting, heating, cooking & refrigeration apparatus).
The trademark is represented by Elkington and Fife LLP.
Frequently Asked Questions
Who owns 'LK'?
According to the UK IPO register, 'LK' is owned by Laur Knudsen Aktieselskab.
Is 'LK' currently a registered trademark?
No — the UK IPO records the status of 'LK' as dead.
Which Nice classes is 'LK' registered under?
'LK' is recorded in Class 9 (scientific, electrical & IT apparatus); Class 11 (lighting, heating, cooking & refrigeration apparatus). The filed specification reads: Class 9: Electrical apparatus and instruments, all for use in science, surveying, photography, cinematography, weighing, measuring, signalling, checking (supervision), lifesaving and teaching; electric nautical apparatus and instruments; electric optical apparatus and instruments; electric apparatus for recording, t…
When was 'LK' first filed?
The application for 'LK' was filed on 2 February 1923 and the trademark was registered on 2 February 1923.
When was 'LK' first published?
The UK IPO first published / advertised 'LK' on 6 June 1923.
When does 'LK' need to be renewed?
The current registration of 'LK' is recorded as valid until 2 February 2007, 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 "LK" 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 |
|---|---|---|---|---|
| LK METHOD SECURITY FOCUSED MODERNIZATION | 99641901 | 630 | 2026-02-09 | — |
| LK DOG | 99638859 | 630 | 2026-02-06 | — |
| LK LIQUID KICKS | 99610930 | 681 | 2026-01-23 | — |
| LK | 99610937 | 681 | 2026-01-23 | — |
Similar names
| Mark | Ref | Status | Filed | Same Owner |
|---|---|---|---|---|
| LKT GLOBAL HOLDINGS | 99667507 | 630 | 2026-02-24 | — |
Australia — Australia (IP Australia)
| Mark | Ref | Status | Filed | Same Owner |
|---|---|---|---|---|
| LK REEVES | 2112553 | protected | 2020-08-21 | — |
| LK BENNETT | 1848609 | protected | 2017-06-01 | — |
Similar names
| Mark | Ref | Status | Filed | Same Owner |
|---|---|---|---|---|
| LKI | 2624997 | published | 2026-02-05 | — |
| LKE | 2511582 | protected | 2025-01-05 | — |
| LKII | 2495778 | protected | 2024-11-03 | — |
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.