USPTO trademark

IXEF

RegisteredUSPTOWord markClass 1Class 17

"IXEF" is a word mark owned by Syensqo, filed at the USPTO on December 9, 1997. It is registered and covers classes 1 and 17.

View Syensqo portfolio Get this data via the API

Data current as of October 16, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since June 20, 2019
Filed: December 9, 1997
Registered: August 31, 1999
Expires: Not recorded
Application no.: 75402331
Registration no.: 2273668
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 2 classes

Ownership

Who owns IXEF

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

Owner

Syensqo

Brussels, Belgium

21 trademarks in the portfolioView company

Representative

Clifford D Hyra

Fresh IP PLC

Goods and services

What the mark covers

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

01Class 1 · Chemicals
UNPROCESSED SYNTHETIC RESINS AND UNPROCESSED PLASTICS FOR USE IN THE MANUFACTURING INDUSTRY
17Class 17 · Rubber Goods
[ PLASTIC MATERIALS IN THE FORM OF SHEETS, PLATES, AND RODS FOR USE IN FURTHER MANUFACTURE ]

History

What has happened so far

Steps recorded by the USPTO, newest first.

October 16, 2026Teas change of correspondence received
October 16, 2026Attorney/dom.rep.revoked and/or appointed
October 16, 2026Teas revoke/app/change addr of atty/dom rep received
September 18, 2024Automatic update of assignment of ownership
November 27, 2023Teas change of correspondence received
November 27, 2023Teas change of domestic representatives address
November 27, 2023Attorney/dom.rep.revoked and/or appointed
November 27, 2023Teas revoke/app/change addr of atty/dom rep received
June 20, 2019Notice of acceptance of sec. 8 & 9 - e-mailed
June 20, 2019Registered and renewed (second renewal - 10 yrs)

10 earlier steps on the official record.

FAQ

About IXEF

Who owns the trademark "IXEF"?

The USPTO trademark "IXEF" (application 75402331) is owned by Syensqo.

What is the status of "IXEF"?

Its status at the USPTO is: registered.

When was "IXEF" registered?

It was registered on August 31, 1999.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull IXEF 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_019d1c3e-4975-77cf-875e-11f07ebdf741
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d1c3e-4975-77cf-875e-11f07ebdf741",
  "object": "trademark",
  "mark_text": "IXEF",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "75402331",
  "filing_date": "1997-12-09",
  "nice_classes": [
    1,
    17
  ],
  "owners": [
    {
      "name": "SYENSQO",
      "entity_id": "ent_019eb6f7-4e43-70e5-a0ee-cf05ab9af2fa"
    }
  ]
}