USPTO trademark

SK

RegisteredUSPTOWord and designClass 8

"SK" is a word and design mark owned by Great Star Tools USA, Inc., filed at the USPTO on January 17, 2006. It is registered and covers class 8 (Hand Tools and Cutlery).

View Great Star Tools USA, Inc. portfolioGet this data via the API
Official USPTO record
SK trademark as filed
As filed with the USPTO
Status
Registered
Since July 6, 2026
Filed
January 17, 2006
Registered
April 10, 2007
Expires
Not recorded
Application no.
78792812
Registration no.
3227220
Office
USPTO
United States Patent and Trademark Office
Mark type
Word and design
1 class
Ownership

Who owns SK

The owner on file, matched to the company behind it. Every owner-name spelling for that company is grouped on its page.

Owner

Great Star Tools USA, Inc.

Saddle Brook, United States

249 trademarks in the portfolioView company

Representative

Yue (Robert) Xu

Apex Attorneys at Law, LLP

Goods and services

What the mark covers

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

  • Hand tools, namely, screwdrivers, pliers, ratchet wrenches, socket wrenches and socket sets, wrenches, cutters, snips, chisels, punches, pry bars, saws, files, and hammers

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of acceptance of sec. 8 & 9 - e-mailed
  2. Registered and renewed (second renewal - 10 yrs)
  3. Registered - sec. 8 (10-yr) accepted/sec. 9 granted
  4. Case assigned to post registration paralegal
  5. Teas section 8 & 9 received
  6. Teas change of correspondence received
  7. Attorney/dom.rep.revoked and/or appointed
  8. Teas revoke/app/change addr of atty/dom rep received
  9. Applicant/correspondence changes (non-responsive) entered
  10. Teas change of owner address received

10 earlier steps on the official record.

Disputes

Oppositions and cancellations

Proceedings recorded against this mark by the USPTO. Reported as recorded, not legal advice.

FAQ

About SK

Who owns the trademark "SK"?

The USPTO trademark "SK" (application 78792812) is owned by Great Star Tools USA, Inc.

What is the status of "SK"?

Its status at the USPTO is: registered.

When was "SK" registered?

It was registered on April 10, 2007.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull SK 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_019d2dea-8db6-752d-b3a2-b702e3080c4b
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2dea-8db6-752d-b3a2-b702e3080c4b",
  "object": "trademark",
  "mark_text": "SK",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "78792812",
  "filing_date": "2006-01-17",
  "nice_classes": [
    8
  ],
  "owners": [
    {
      "name": "GREAT STAR TOOLS USA, INC.",
      "entity_id": "ent_019ebbc5-d5b5-75f8-8337-1c261b8eee88"
    }
  ]
}