USPTO trademark

SK

RegisteredUSPTOWord markClass 8

"SK" is a word mark owned by Great Star Tools USA, Inc., filed at the USPTO on October 9, 2015. 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 September 14, 2025
Filed
October 9, 2015
Registered
May 10, 2016
Expires
Not recorded
Application no.
86783780
Registration no.
4955936
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
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, wire cutters, snips, chisels, punches, pry bars, hammers, hex keys, wire strippers, screwdriver bits, bit sockets, wire crimpers, magnetic pickup tools, hook and picks tools, flaring and swaging tools, and tubing benders

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 (first 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. Courtesy reminder - sec. 8 (10-yr)/sec. 9 e-mailed
  7. Teas change of correspondence received
  8. Attorney/dom.rep.revoked and/or appointed
  9. Teas revoke/app/change addr of atty/dom rep received
  10. Applicant/correspondence changes (non-responsive) entered

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 86783780) 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 May 10, 2016.

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_019d2885-9523-728e-9b11-5e40712e4561
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2885-9523-728e-9b11-5e40712e4561",
  "object": "trademark",
  "mark_text": "SK",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "86783780",
  "filing_date": "2015-10-09",
  "nice_classes": [
    8
  ],
  "owners": [
    {
      "name": "GREAT STAR TOOLS USA, INC.",
      "entity_id": "ent_019ebbc5-d5b5-75f8-8337-1c261b8eee88"
    }
  ]
}