USPTO trademark

DUET

RegisteredUSPTOWord markClass 9

"DUET" is a word mark owned by Duet, Inc., filed at the USPTO on February 24, 2015. It is registered and covers class 9 (Computers and Scientific Devices).

Get this data via the API
Official USPTO record
DUET trademark as filed
As filed with the USPTO
Status
Registered
Since May 28, 2025
Filed
February 24, 2015
Registered
October 20, 2015
Expires
Not recorded
Application no.
86544398
Registration no.
4835537
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns DUET

The owner and representative on file with the office.

Owner

Duet, Inc.

Miami, United States

Representative

Tobey B. Marzouk

Marzouk & Parry Pllc

Goods and services

What the mark covers

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

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of acceptance of sec. 8 & 9 - e-mailed
  2. Registered and renewed (first renewal - 10 yrs)
  3. Registered - sec. 8 (10-yr) accepted/sec. 9 granted
  4. Case assigned to post registration paralegal
  5. Teas section 8 & 9 received
  6. Courtesy reminder - sec. 8 (10-yr)/sec. 9 e-mailed
  7. Notice of acceptance of sec. 8 & 15 - e-mailed
  8. Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
  9. Case assigned to post registration paralegal
  10. Automatic update of assignment of ownership

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 DUET

Who owns the trademark "DUET"?

The USPTO trademark "DUET" (application 86544398) is owned by Duet, Inc.

What is the status of "DUET"?

Its status at the USPTO is: registered.

When was "DUET" registered?

It was registered on October 20, 2015.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull DUET 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_019d2a9c-a3f9-703c-b620-a57aeac101a7
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2a9c-a3f9-703c-b620-a57aeac101a7",
  "object": "trademark",
  "mark_text": "DUET",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "86544398",
  "filing_date": "2015-02-24",
  "nice_classes": [
    9
  ],
  "owners": [
    {
      "name": "DUET, INC.",
      "entity_id": null
    }
  ]
}