USPTO trademark

DERF

RegisteredUSPTOWord markClass 19

"DERF" is a word mark owned by Gpre IP, LLC, filed at the USPTO on January 20, 2025. It is registered and covers class 19 (Non-metallic Building Materials).

Get this data via the API

Data current as of April 2, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since October 14, 2025
Filed: January 20, 2025
Registered: October 14, 2025
Expires: Not recorded
Application no.: 99012739
Registration no.: 7982674
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns DERF

The owner and representative on file with the office.

Owner

Gpre IP, LLC

St. Louis, United States

Representative

Joseph E. Walsh, Jr.

Harness, Dickey & Pierce, PLC

Goods and services

What the mark covers

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

19Class 19 · Non-metallic Building Materials
Ceramic bricks for use in refractory furnaces; ceramic troughs for use with refractory furnaces

History

What has happened so far

Steps recorded by the USPTO, newest first.

March 30, 2026Teas change of correspondence received
March 30, 2026Attorney/dom.rep.revoked and/or appointed
March 30, 2026Teas revoke/app/change addr of atty/dom rep received
October 14, 2025Notice of registration confirmation emailed
October 14, 2025Registered-principal register
August 26, 2025Official gazette publication confirmation e-mailed
August 26, 2025Published for opposition
August 20, 2025Notification of notice of publication e-mailed
July 23, 2025Approved for pub - principal register
June 30, 2025Assigned to examiner

3 earlier steps on the official record.

FAQ

About DERF

Who owns the trademark "DERF"?

The USPTO trademark "DERF" (application 99012739) is owned by Gpre IP, LLC.

What is the status of "DERF"?

Its status at the USPTO is: registered.

When was "DERF" registered?

It was registered on October 14, 2025.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull DERF 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_019d2a62-e3ae-7408-a5b8-92f7849a3aa2
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2a62-e3ae-7408-a5b8-92f7849a3aa2",
  "object": "trademark",
  "mark_text": "DERF",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "99012739",
  "filing_date": "2025-01-20",
  "nice_classes": [
    19
  ],
  "owners": [
    {
      "name": "GPRE IP, LLC",
      "entity_id": null
    }
  ]
}