USPTO trademark

D

RegisteredUSPTOFigurative markClass 6Class 20Class 25

"D" is a figurative mark owned by Duke University, filed at the USPTO on September 30, 1991. It is registered and covers classes 6, 20 and 25.

View Duke University portfolio Get this data via the API

Data current as of May 15, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since February 11, 2023
Filed: September 30, 1991
Registered: August 18, 1992
Expires: Not recorded
Application no.: 74209067
Registration no.: 1707766
Office: USPTO; United States Patent and Trademark Office
Mark type: Figurative mark; 3 classes

Ownership

Who owns D

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

Owner

Duke University

Durham, United States

117 trademarks in the portfolioView company

Representative

William B. Cannon

Parker Poe Adams & Bernstein LLP

Goods and services

What the mark covers

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

06Class 6 · Common Metals
key chains made primarily of metal
20Class 20 · Furniture and Articles Not Otherwise Classified
[ tables ]
25Class 25 · Clothing
scarves, hats, socks, shirts, sweaters and pants

History

What has happened so far

Steps recorded by the USPTO, newest first.

May 14, 2026Notice of suit
March 20, 2024Teas change of correspondence received
March 20, 2024Attorney/dom.rep.revoked and/or appointed
March 20, 2024Teas revoke/app/change addr of atty/dom rep received
February 11, 2023Notice of acceptance of sec. 8 - e-mailed
February 11, 2023Registered and renewed (third renewal - 10 yrs)
February 11, 2023Registered - sec. 9 granted/check record for sec. 8
February 11, 2023Registered - partial sec. 8 (10-yr) accepted
February 11, 2023Case assigned to post registration paralegal
July 27, 2022Teas section 8 & 9 received

10 earlier steps on the official record.

Disputes

Oppositions and cancellations

Proceedings recorded against this mark by the USPTO. Reported as recorded, not legal advice.

FAQ

About D

Who owns the trademark "D"?

The USPTO trademark "D" (application 74209067) is owned by Duke University.

What is the status of "D"?

Its status at the USPTO is: registered.

When was "D" registered?

It was registered on August 18, 1992.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull D 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_019d1873-46aa-7123-8ab1-3539e20339a4
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d1873-46aa-7123-8ab1-3539e20339a4",
  "object": "trademark",
  "mark_text": "D",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "74209067",
  "filing_date": "1991-09-30",
  "nice_classes": [
    6,
    20,
    25
  ],
  "owners": [
    {
      "name": "Duke University",
      "entity_id": "ent_019f2854-ed4f-74de-bc9c-4bb3ce6e4d7b"
    }
  ]
}