USPTO trademark

FOG

RegisteredUSPTOFigurative markClass 5

"FOG" is a figurative mark owned by Dongguan Hengtai Biotechnology Co., Ltd, filed at the USPTO on January 31, 2025. It is registered and covers class 5 (Pharmaceuticals).

Get this data via the API

Data current as of April 21, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since April 21, 2026
Filed: January 31, 2025
Registered: April 21, 2026
Expires: Not recorded
Application no.: 99025552
Registration no.: 8226211
Office: USPTO; United States Patent and Trademark Office
Mark type: Figurative mark; 1 class

Ownership

Who owns FOG

The owner and representative on file with the office.

Owner

Dongguan Hengtai Biotechnology Co., Ltd

Dongguan City, Guangdong Province, China

Representative

Alex Patel

Patel & Almeida, P. C.

Goods and services

What the mark covers

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

05Class 5 · Pharmaceuticals
Nicotine gum for use as an aid to stop smoking; Nicotine pouches for use as aids to stop smoking

History

What has happened so far

Steps recorded by the USPTO, newest first.

April 21, 2026Notice of registration confirmation emailed
April 21, 2026Registered-principal register
April 1, 2026Notice of acceptance of statement of use e-mailed
April 1, 2026Allowed principal register - sou accepted
March 23, 2026Statement of use processing complete
March 23, 2026Case assigned to intent to use paralegal
September 18, 2025Use amendment filed
September 18, 2025Teas statement of use received
May 27, 2025Noa e-mailed - sou required from applicant
April 1, 2025Official gazette publication confirmation e-mailed

7 earlier steps on the official record.

FAQ

About FOG

Who owns the trademark "FOG"?

The USPTO trademark "FOG" (application 99025552) is owned by Dongguan Hengtai Biotechnology Co., Ltd.

What is the status of "FOG"?

Its status at the USPTO is: registered.

When was "FOG" registered?

It was registered on April 21, 2026.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull FOG 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_019d2a6a-835d-708b-8956-73aa7a13f357
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2a6a-835d-708b-8956-73aa7a13f357",
  "object": "trademark",
  "mark_text": "FOG",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "99025552",
  "filing_date": "2025-01-31",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "Dongguan Hengtai Biotechnology Co., Ltd",
      "entity_id": null
    }
  ]
}