USPTO trademark

MUSTANG

Under examinationUSPTOWord markClass 5

"MUSTANG" is a word mark owned by Rule One Proteins, LLC, filed at the USPTO on February 5, 2026. It is under examination and covers class 5 (Pharmaceuticals).

Get this data via the API
Official USPTO record
MUSTANG trademark as filed
As filed with the USPTO
Status
Under examination
Since September 25, 2026
Filed
February 5, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99636528
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns MUSTANG

The owner and representative on file with the office.

Owner

Rule One Proteins, LLC

Downers Grove, United States

Representative

Ronald Dicerbo

McAndrews, Held & Malloy

Goods and services

What the mark covers

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

  • Dietary and nutritional supplements; Protein dietary supplements; Weight management supplements; Vitamin supplements; Amino acids for nutritional purposes; Dietary and nutritional supplements used for weight loss; Nutritional supplements for mental alertness, muscle endurance, and energy

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notification of final refusal emailed
  2. Final refusal e-mailed
  3. Final refusal written
  4. Teas/email correspondence entered
  5. Correspondence received in law office
  6. Teas response to office action received
  7. Notification of non-final action e-mailed
  8. Non-final action e-mailed
  9. Non-final action written
  10. Assigned to examiner

3 earlier steps on the official record.

FAQ

About MUSTANG

Who owns the trademark "MUSTANG"?

The USPTO trademark "MUSTANG" (application 99636528) is owned by Rule One Proteins, LLC.

What is the status of "MUSTANG"?

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 MUSTANG 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_019d2b9e-dfbc-76f2-b1b4-11f61134a736
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2b9e-dfbc-76f2-b1b4-11f61134a736",
  "object": "trademark",
  "mark_text": "MUSTANG",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "99636528",
  "filing_date": "2026-02-05",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "Rule One Proteins, LLC",
      "entity_id": null
    }
  ]
}