USPTO trademark

C-FREE

RegisteredUSPTOWord markClass 9

"C-FREE" is a word mark owned by Curiox Biosystems Co., Ltd., filed at the USPTO on January 11, 2024. It is registered and covers class 9 (Computers and Scientific Devices).

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Official USPTO record
C-FREE trademark as filed
As filed with the USPTO
Status
Registered
Since November 11, 2025
Filed
January 11, 2024
Registered
November 11, 2025
Expires
Not recorded
Application no.
98976408
Registration no.
8025256
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns C-FREE

The owner and representative on file with the office.

Owner

Curiox Biosystems Co., Ltd.

Geumchun-Gu, Seoul, South Korea

Representative

Andrew J. Gray IV

Morgan, Lewis & Bockius LLP

Goods and services

What the mark covers

The products and services C-FREE is filed for, grouped by Nice class.

  • Scientific apparatus for automated and integrated washing of blood cell products, cells, beads, microparticles, and organoids and fluid transfer devices to perform liquid exchange for biological and physical materials such as blood cell products, cells, beads, microparticles, and organoids; Scientific kits comprising containers, tubing, connectors, and/or pumps, and fluid transfer devices to wash, concentrate, and/or dilute blood cell products, cells, beads, microparticles, and organoids, with all of the foregoing for scientific and laboratory use

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of registration confirmation emailed
  2. Registered-principal register
  3. Notice of acceptance of statement of use e-mailed
  4. Allowed principal register - sou accepted
  5. Statement of use processing complete
  6. Divisional processing complete
  7. Case assigned to intent to use paralegal
  8. Use amendment filed
  9. Divisional request received
  10. Teas request to divide received

10 earlier steps on the official record.

FAQ

About C-FREE

Who owns the trademark "C-FREE"?

The USPTO trademark "C-FREE" (application 98976408) is owned by Curiox Biosystems Co., Ltd.

What is the status of "C-FREE"?

Its status at the USPTO is: registered.

When was "C-FREE" registered?

It was registered on November 11, 2025.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull C-FREE 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_019d2a5a-90cd-76db-9ce6-d4de430a3c6f
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2a5a-90cd-76db-9ce6-d4de430a3c6f",
  "object": "trademark",
  "mark_text": "C-FREE",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "98976408",
  "filing_date": "2024-01-11",
  "nice_classes": [
    9
  ],
  "owners": [
    {
      "name": "Curiox Biosystems Co., Ltd.",
      "entity_id": null
    }
  ]
}