USPTO trademark

STERFLOW FR

Pending issuanceUSPTOWord markClass 1

"STERFLOW FR" is a word mark owned by Sterling Specialty Chemicals Holding UK Limited, filed at the USPTO on August 26, 2025. It is on file and covers class 1 (Chemicals).

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Official USPTO record
STERFLOW FR trademark as filed
As filed with the USPTO
Status
Pending issuance
Since October 16, 2026
Filed
August 26, 2025
Registered
Not yet
Expires
Not recorded
Application no.
99358369
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns STERFLOW FR

The owner and representative on file with the office.

Owner

Sterling Specialty Chemicals Holding UK Limited

Harrow, Middlesex, United Kingdom

Representative

Frederick A. Spaeth

Dilworth IP, LLC

Goods and services

What the mark covers

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

  • Chemicals for use as friction reducers for use in hydraulic fracturing, enhanced oil recovery, and treatment of oil sands tailings, water and industrial effluent; polymers for chemical enhanced oil recovery; flocculants; polymer flocculants; polymers for use in underground fluids for hydraulic fracking

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notification of non-final action e-mailed
  2. Non-final action e-mailed
  3. Su - non-final action - written
  4. Statement of use processing complete
  5. Use amendment filed
  6. Teas statement of use received
  7. Noa e-mailed - sou required from applicant
  8. Official gazette publication confirmation e-mailed
  9. Published for opposition
  10. Notification of notice of publication e-mailed

5 earlier steps on the official record.

FAQ

About STERFLOW FR

Who owns the trademark "STERFLOW FR"?

The USPTO trademark "STERFLOW FR" (application 99358369) is owned by Sterling Specialty Chemicals Holding UK Limited.

What is the status of "STERFLOW FR"?

Its status at the USPTO is: pending issuance.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull STERFLOW FR 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_019d2b19-ea47-77ef-84cf-1105067fcd40
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2b19-ea47-77ef-84cf-1105067fcd40",
  "object": "trademark",
  "mark_text": "STERFLOW FR",
  "status": {
    "primary": "pending",
    "stage": "pending_issuance"
  },
  "office_code": "US",
  "application_number": "99358369",
  "filing_date": "2025-08-26",
  "nice_classes": [
    1
  ],
  "owners": [
    {
      "name": "Sterling Specialty Chemicals Holding UK Limited",
      "entity_id": null
    }
  ]
}