USPTO trademark

DOOR 21

RegisteredUSPTOWord markClass 41

"DOOR 21" is a word mark owned by Door 21 Consulting, LLC, filed at the USPTO on November 4, 2024. It is registered and covers class 41 (Education and Entertainment).

Get this data via the API
Official USPTO record
DOOR 21 trademark as filed
As filed with the USPTO
Status
Registered
Since August 26, 2025
Filed
November 4, 2024
Registered
August 26, 2025
Expires
Not recorded
Application no.
98835778
Registration no.
7914678
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns DOOR 21

The owner and representative on file with the office.

Owner

Door 21 Consulting, LLC

Sharon, United States

Representative

Julia K. O'Neill

Bowditch

Goods and services

What the mark covers

The products and services DOOR 21 is filed for, grouped by Nice class.

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of registration confirmation emailed
  2. Registered-principal register
  3. Official gazette publication confirmation e-mailed
  4. Published for opposition
  5. Notification of notice of publication e-mailed
  6. Approved for pub - principal register
  7. Assigned to examiner
  8. New application office supplied data entered
  9. New application entered
FAQ

About DOOR 21

Who owns the trademark "DOOR 21"?

The USPTO trademark "DOOR 21" (application 98835778) is owned by Door 21 Consulting, LLC.

What is the status of "DOOR 21"?

Its status at the USPTO is: registered.

When was "DOOR 21" registered?

It was registered on August 26, 2025.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull DOOR 21 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 keyView docs
GET /v1/trademarks/{id}
ID=tm_019d2a0b-3022-721a-9ce4-94d8ee5f4ee3
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2a0b-3022-721a-9ce4-94d8ee5f4ee3",
  "object": "trademark",
  "mark_text": "DOOR 21",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "98835778",
  "filing_date": "2024-11-04",
  "nice_classes": [
    41
  ],
  "owners": [
    {
      "name": "Door 21 Consulting, LLC",
      "entity_id": null
    }
  ]
}