USPTO trademark

CAPSTACKS

Opposition periodUSPTOWord markClass 9Class 35

"CAPSTACKS" is a word mark owned by Bret Griffin, filed at the USPTO on May 28, 2026. It is in its opposition period and covers classes 9 and 35.

Get this data via the API

Data current as of October 26, 2026Official USPTO record

As filed with the USPTO

Status: Opposition period; Since October 27, 2026
Filed: May 28, 2026
Registered: Not yet
Expires: Not recorded
Application no.: 99851056
Registration no.: Not yet
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 2 classes

Ownership

Who owns CAPSTACKS

The owner and representative on file with the office.

Owner

Bret Griffin

Lake Forest, United States

Representative

Katherine Sales

Concourse Law Group

Goods and services

What the mark covers

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

09Class 9 · Computers and Scientific Devices
Downloadable software in the nature of a mobile application for buying and selling hats and headwear
35Class 35 · Advertising and Business
Provision of an online marketplace for buyers and sellers of goods and services; Provision of an on-line marketplace for buyers and sellers of hats and headwear

History

What has happened so far

Steps recorded by the USPTO, newest first.

October 27, 2026Official gazette publication confirmation e-mailed
October 27, 2026Published for opposition
October 21, 2026Notification of notice of publication e-mailed
September 28, 2026Approved for pub - principal register
September 28, 2026Assigned to examiner
September 27, 2026New application office supplied data entered
June 18, 2026Teas change of correspondence received
June 18, 2026Attorney/dom.rep.revoked and/or appointed
June 18, 2026Teas revoke/app/change addr of atty/dom rep received
May 28, 2026Application filing receipt mailed

1 earlier step on the official record.

FAQ

About CAPSTACKS

Who owns the trademark "CAPSTACKS"?

The USPTO trademark "CAPSTACKS" (application 99851056) is owned by Bret Griffin.

What is the status of "CAPSTACKS"?

Its status at the USPTO is: opposition period.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull CAPSTACKS 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 key View docs

GET /v1/trademarks/{id}

ID=tm_019e774c-e133-773d-b83e-a6c215d0322e
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019e774c-e133-773d-b83e-a6c215d0322e",
  "object": "trademark",
  "mark_text": "CAPSTACKS",
  "status": {
    "primary": "pending",
    "stage": "pending_opposition"
  },
  "office_code": "US",
  "application_number": "99851056",
  "filing_date": "2026-05-28",
  "nice_classes": [
    9,
    35
  ],
  "owners": [
    {
      "name": "Bret Griffin",
      "entity_id": null
    }
  ]
}