CIPO trademark

SI-LINK

RegisteredCIPOWord markClass 1

"SI-LINK" is a word mark owned by Union Carbide Corporation, filed at the CIPO on March 25, 2003. It is registered and covers class 1 (Chemicals).

View Union Carbide Corporation portfolio Get this data via the API

Data current as of April 29, 2026Official CIPO record

SI-LINK

Word mark as filed with the CIPO

Status: Registered; Since July 6, 2005
Filed: March 25, 2003
Registered: July 6, 2005
Expires: July 6, 2030
Application no.: 1172410
Registration no.: TMA643721
Office: CIPO; Canadian Intellectual Property Office
Mark type: Word mark; 1 class

Ownership

Who owns SI-LINK

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

Owner

Union Carbide Corporation

PRU · United States

980 trademarks in the portfolioView company

Representative

Smart & Biggar LP

Goods and services

What the mark covers

The products and services SI-LINK is filed for, grouped by Nice class.

01Class 1 · Chemicals
Silane copolymer-based resin and a catalyst master batch used to manufacture crosslinkable polyethylene for use in the power cable and polyethylene foam industries.

History

What has happened so far

Steps recorded by the CIPO, newest first.

April 21, 2026Agent Changed; Transferred From: 12 To: 59
December 16, 2020Voir Preuve au dossier/See evidence on File No. 1172410
December 16, 2020Amendment to Registration; Owner Address Change / Voir Preuve au dossier/See evidence on File No. 1172410
August 12, 2020Correspondence Created
July 6, 2020Renewed; DP:2020/05/04 RD:2020/05/04 RR:Sally Hall CPA Global Liberation House Jersey JE1 1BL United Kingdom
July 8, 2008Change of Title Registered; Assignment / Voir Preuve au dossier/See evidence on File No. 137128
May 28, 2008FROM: UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION; TO: Union Carbide Corporation; Voir Preuve au dossier/See evidence on File No. 137128
July 26, 2005The register has been amended by correcting the registrant's address.
July 26, 2005Clerical Correction; The register has been amended by correcting the registrant's address.
July 6, 2005Registered

10 earlier steps on the official record.

FAQ

About SI-LINK

Who owns the trademark "SI-LINK"?

The CIPO trademark "SI-LINK" (application 1172410) is owned by Union Carbide Corporation.

What is the status of "SI-LINK"?

Its status at the CIPO is: registered.

When was "SI-LINK" registered?

It was registered on July 6, 2005 and is due to expire on July 6, 2030.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull SI-LINK 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_019deb2d-da6f-76f1-a350-d8fff64c62c6
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019deb2d-da6f-76f1-a350-d8fff64c62c6",
  "object": "trademark",
  "mark_text": "SI-LINK",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "CA",
  "application_number": "1172410",
  "filing_date": "2003-03-25",
  "nice_classes": [
    1
  ],
  "owners": [
    {
      "name": "Union Carbide Corporation",
      "entity_id": "ent_019ee98a-d57d-70d7-85d3-6e01e82dd138"
    }
  ]
}