USPTO trademark

CK

Under examinationUSPTOFigurative markClass 25

"CK" is a figurative mark owned by John Brinkman, filed at the USPTO on September 17, 2026. It is under examination and covers class 25 (Clothing).

Get this data via the API
Official USPTO record
CK trademark as filed
As filed with the USPTO
Status
Under examination
Since September 17, 2026
Filed
September 17, 2026
Registered
Not yet
Expires
Not recorded
Application no.
50114472
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Figurative mark
1 class
Ownership

Who owns CK

The owner and representative on file with the office.

Owner

John Brinkman

Blackwell, United States

Representative

Cline H. White

Jackson Walker LLP

Goods and services

What the mark covers

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

  • Clothing, namely, sportswear, sunglasses, shoes; athletic gear, namely, paintball equipment, paintballs, paintball guns, gym equipment, sports equipment, baseball gloves, bats, catchers gear, helmets, football gloves, football pads, gear bags, and back packs

History

What has happened so far

Steps recorded by the USPTO, newest first.

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

About CK

Who owns the trademark "CK"?

The USPTO trademark "CK" (application 50114472) is owned by John Brinkman.

What is the status of "CK"?

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 CK 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_01a0b4a2-2629-7736-a24c-91fb2afa08d1
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a0b4a2-2629-7736-a24c-91fb2afa08d1",
  "object": "trademark",
  "mark_text": "CK",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "50114472",
  "filing_date": "2026-09-17",
  "nice_classes": [
    25
  ],
  "owners": [
    {
      "name": "John Brinkman",
      "entity_id": null
    }
  ]
}