USPTO trademark

CORNERSTONE

Under examinationUSPTOWord markClass 43

"CORNERSTONE" is a word mark owned by Boyd Gaming Corporation, filed at the USPTO on September 17, 2026. It is under examination and covers class 43 (Hotels and Restaurants).

View Boyd Gaming Corporation portfolioGet this data via the API
Official USPTO record
CORNERSTONE trademark as filed
As filed with the USPTO
Status
Under examination
Since September 17, 2026
Filed
September 17, 2026
Registered
Not yet
Expires
Not recorded
Application no.
50113366
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns CORNERSTONE

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

Owner

Boyd Gaming Corporation

BYD · Las Vegas, United States

550 trademarks in the portfolioView company

Representative

Daniel H. Bliss

Howard & Howard Attorneys PLLC

Goods and services

What the mark covers

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

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Application filing receipt mailed
  2. New application office supplied data entered
  3. New application entered
FAQ

About CORNERSTONE

Who owns the trademark "CORNERSTONE"?

The USPTO trademark "CORNERSTONE" (application 50113366) is owned by Boyd Gaming Corporation.

What is the status of "CORNERSTONE"?

Its status at the USPTO is: under examination.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull CORNERSTONE 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_01a0b4a1-c610-73c4-9fbe-2a7024ad2936
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a0b4a1-c610-73c4-9fbe-2a7024ad2936",
  "object": "trademark",
  "mark_text": "CORNERSTONE",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "50113366",
  "filing_date": "2026-09-17",
  "nice_classes": [
    43
  ],
  "owners": [
    {
      "name": "Boyd Gaming Corporation",
      "entity_id": "ent_019eb6fa-1f3d-7066-bd81-3ddebe4d348b"
    }
  ]
}