USPTO trademark

DARK PENGUIN

Under examinationUSPTOWord markClass 5

"DARK PENGUIN" is a word mark owned by Rule One Proteins, LLC, filed at the USPTO on May 21, 2026. It is under examination and covers class 5 (Pharmaceuticals).

Get this data via the API
Official USPTO record
DARK PENGUIN trademark as filed
As filed with the USPTO
Status
Under examination
Since September 16, 2026
Filed
May 21, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99838726
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns DARK PENGUIN

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 DARK PENGUIN is filed for, grouped by Nice class.

  • Dietary and nutritional supplements; Protein dietary supplements; Weight management supplements; Vitamin supplements; Vitamins; Amino acids for nutritional purposes; Dietary and nutritional supplements used for weight loss; Powdered nutritional supplement concentrate; 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 letter of suspension e-mailed
  2. Letter of suspension e-mailed
  3. Suspension letter written
  4. Assigned to examiner
  5. Application filing receipt mailed
  6. New application office supplied data entered
  7. New application entered
FAQ

About DARK PENGUIN

Who owns the trademark "DARK PENGUIN"?

The USPTO trademark "DARK PENGUIN" (application 99838726) is owned by Rule One Proteins, LLC.

What is the status of "DARK PENGUIN"?

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 DARK PENGUIN 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_019e5341-3ef6-724e-b585-570a87222f9e
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019e5341-3ef6-724e-b585-570a87222f9e",
  "object": "trademark",
  "mark_text": "DARK PENGUIN",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "99838726",
  "filing_date": "2026-05-21",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "Rule One Proteins, LLC",
      "entity_id": null
    }
  ]
}