CIPO trademark

TETRAHEDRON

RegisteredCIPOWord markClass 9Class 16Class 41

"TETRAHEDRON" is a word mark owned by Elsevier Limited, filed at the CIPO on March 15, 2007. It is registered and covers classes 9, 16 and 41.

View Elsevier Limited portfolio Get this data via the API

Data current as of February 18, 2026Official CIPO record

TETRAHEDRON

Word mark as filed with the CIPO

Status: Registered; Since May 9, 2008
Filed: March 15, 2007
Registered: May 9, 2008
Expires: May 9, 2033
Application no.: 1339517
Registration no.: TMA714008
Office: CIPO; Canadian Intellectual Property Office
Mark type: Word mark; 3 classes

Ownership

Who owns TETRAHEDRON

The owner on file, matched to the company behind it. Every owner-name spelling for that company is grouped on its page.

Owner

Elsevier Limited

United Kingdom

56 trademarks in the portfolioView company

Representative

Gowling WLG (Canada) LLP

Goods and services

What the mark covers

The products and services TETRAHEDRON is filed for, grouped by Nice class.

09Class 9 · Computers and Scientific Devices
Electronic downloadable publications, namely journals in the fields of science and chemistry.
16Class 16 · Paper Goods and Printed Matter
Printed publications, namely, journals in the fields of science and chemistry.
41Class 41 · Education and Entertainment
Providing on-line publications, namely, journals in the fields of science and chemistry.

History

What has happened so far

Steps recorded by the CIPO, newest first.

February 13, 2026Agent Changed; From/De: 10425 To/A: 8390
May 9, 2023Renewed; DP:2022/11/22 RD:2022/11/22 RR:(10425) RIDOUT & MAYBEE LLP
March 8, 2023Adjusted Renewal Fee Received
February 23, 2023Adjusted Renewal Fee Notice Sent; Additional Classes:2
February 23, 2023Nice Class(es) Acceptance Letter Sent
November 16, 2022Agent Changed; From/De: 8390 To/A: 10425
February 25, 2016Rep for Service Name Changed
May 9, 2008Registered
December 28, 2007Allowance Notice Sent
December 28, 2007Allowed

6 earlier steps on the official record.

FAQ

About TETRAHEDRON

Who owns the trademark "TETRAHEDRON"?

The CIPO trademark "TETRAHEDRON" (application 1339517) is owned by Elsevier Limited.

What is the status of "TETRAHEDRON"?

Its status at the CIPO is: registered.

When was "TETRAHEDRON" registered?

It was registered on May 9, 2008 and is due to expire on May 9, 2033.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull TETRAHEDRON and marks like it into your own product with one request.

GET/v1/trademarks/{id}
The full record: owners, classes, dates and images
GET/v1/trademarks/{id}/events
Every step in the office history
GET/v1/proceedings?trademark_id={id}
Oppositions and cancellations against the mark

Get API key View docs

GET /v1/trademarks/{id}

ID=tm_019deb64-a73f-733c-ad32-2ba63408a627
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019deb64-a73f-733c-ad32-2ba63408a627",
  "object": "trademark",
  "mark_text": "TETRAHEDRON",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "CA",
  "application_number": "1339517",
  "filing_date": "2007-03-15",
  "nice_classes": [
    9,
    16,
    41
  ],
  "owners": [
    {
      "name": "ELSEVIER LIMITED",
      "entity_id": "ent_019eb70c-91c2-71a2-a8ef-67d66b5d9fd9"
    }
  ]
}