USPTO trademark

KEYSTONE

Under examinationUSPTOWord markClass 42Class 45

"KEYSTONE" is a word mark owned by Keystone Strategy LLC, filed at the USPTO on September 29, 2026. It is under examination and covers classes 42 and 45.

Get this data via the API
Official USPTO record
KEYSTONE trademark as filed
As filed with the USPTO
Status
Under examination
Since September 29, 2026
Filed
September 29, 2026
Registered
Not yet
Expires
Not recorded
Application no.
50134718
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
2 classes
Ownership

Who owns KEYSTONE

The owner and representative on file with the office.

Owner

Keystone Strategy LLC

Boston, United States

Representative

Craig A. Beaker

Holland & Hart LLP

Goods and services

What the mark covers

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

  • Consulting services in the fields of artificial intelligence, machine learning, and data science for business applications; technology consulting services in the fields of artificial intelligence strategy and governance, cloud computing, and technology platform strategy; consulting services in the fields of information technology, data analytics, and cybersecurity risk assessment; consulting services, namely, providing expert analysis and advisory services in the fields of technology, software, and digital platforms for use in litigation, regulatory proceedings, and business strategy

  • Consulting services in the fields of regulatory compliance and legal strategy relating to technology, artificial intelligence, data privacy, and digital platforms; litigation consulting services, namely, providing expert analysis, economic testimony support, and advisory services in legal disputes

History

What has happened so far

Steps recorded by the USPTO, newest first.

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

About KEYSTONE

Who owns the trademark "KEYSTONE"?

The USPTO trademark "KEYSTONE" (application 50134718) is owned by Keystone Strategy LLC.

What is the status of "KEYSTONE"?

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 KEYSTONE 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_01a0f275-56ae-73a9-884d-e26233a97cfe
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a0f275-56ae-73a9-884d-e26233a97cfe",
  "object": "trademark",
  "mark_text": "KEYSTONE",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "50134718",
  "filing_date": "2026-09-29",
  "nice_classes": [
    42,
    45
  ],
  "owners": [
    {
      "name": "Keystone Strategy LLC",
      "entity_id": null
    }
  ]
}