USPTO trademark

QUARTUS

Under examinationUSPTOWord markClass 10

"QUARTUS" is a word mark owned by MagVenture A/S, filed at the USPTO on October 21, 2026. It is under examination and covers class 10 (Medical Apparatus).

Get this data via the API
Official USPTO record
QUARTUS trademark as filed
As filed with the USPTO
Status
Under examination
Since October 21, 2026
Filed
October 21, 2026
Registered
Not yet
Expires
Not recorded
Application no.
50173922
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns QUARTUS

The owner and representative on file with the office.

Owner

MagVenture A/S

Farum, Denmark

Representative

Robert Henning Greene Lockwood

Robert Lockwood, LLC

Goods and services

What the mark covers

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

  • Magnetic stimulator system and stimulator to be used for diagnostic and therapeutic use, including transcranial magnetic stimulation.

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Application filing receipt mailed
  2. New application entered
FAQ

About QUARTUS

Who owns the trademark "QUARTUS"?

The USPTO trademark "QUARTUS" (application 50173922) is owned by MagVenture A/S.

What is the status of "QUARTUS"?

Its status at the USPTO is: under examination.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull QUARTUS 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_01a163b6-d646-724f-adc3-a7f2710fa0a4
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a163b6-d646-724f-adc3-a7f2710fa0a4",
  "object": "trademark",
  "mark_text": "QUARTUS",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "50173922",
  "filing_date": "2026-10-21",
  "nice_classes": [
    10
  ],
  "owners": [
    {
      "name": "MagVenture A/S",
      "entity_id": null
    }
  ]
}