USPTO trademark

UM3+

RegisteredUSPTOWord markClass 9

"UM3+" is a word mark owned by Sentient Energy Holdings, LLC, filed at the USPTO on June 8, 2020. It is registered and covers class 9 (Computers and Scientific Devices).

Get this data via the API

Data current as of January 6, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since January 5, 2021
Filed: June 8, 2020
Registered: January 5, 2021
Expires: Not recorded
Application no.: 88952868
Registration no.: 6237984
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns UM3+

The owner and representative on file with the office.

Owner

Sentient Energy Holdings, LLC

Wichita, United States

Representative

Leah Feinman

Goods and services

What the mark covers

The products and services UM3+ is filed for, grouped by Nice class.

09Class 9 · Computers and Scientific Devices
electronic line monitor for detection of faults and disturbances on power lines and in a power grid

History

What has happened so far

Steps recorded by the USPTO, newest first.

January 5, 2026Courtesy reminder - sec. 8 (6-yr) e-mailed
April 22, 2022Teas change of correspondence received
April 22, 2022Attorney/dom.rep.revoked and/or appointed
April 22, 2022Teas revoke/app/change addr of atty/dom rep received
January 5, 2021Registered-principal register
October 20, 2020Official gazette publication confirmation e-mailed
October 20, 2020Published for opposition
September 30, 2020Notification of notice of publication e-mailed
September 11, 2020Approved for pub - principal register
September 10, 2020Assigned to examiner

2 earlier steps on the official record.

FAQ

About UM3+

Who owns the trademark "UM3+"?

The USPTO trademark "UM3+" (application 88952868) is owned by Sentient Energy Holdings, LLC.

What is the status of "UM3+"?

Its status at the USPTO is: registered.

When was "UM3+" registered?

It was registered on January 5, 2021.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull UM3+ 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_019d2bc8-2a70-75bc-a3d4-6c991ada12e9
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2bc8-2a70-75bc-a3d4-6c991ada12e9",
  "object": "trademark",
  "mark_text": "UM3+",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "88952868",
  "filing_date": "2020-06-08",
  "nice_classes": [
    9
  ],
  "owners": [
    {
      "name": "Sentient Energy Holdings, LLC",
      "entity_id": null
    }
  ]
}