USPTO trademark

CORNERSTONE BUSINESS SERVICES

Opposition periodUSPTOWord and designClass 35Class 36

"CORNERSTONE BUSINESS SERVICES" is a word and design mark owned by Cornerstone Business Services, Inc., filed at the USPTO on May 28, 2026. It is in its opposition period and covers classes 35 and 36.

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Official USPTO record
CORNERSTONE BUSINESS SERVICES trademark as filed
As filed with the USPTO
Status
Opposition period
Since October 27, 2026
Filed
May 28, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99850730
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word and design
2 classes
Ownership

Who owns CORNERSTONE BUSINESS SERVICES

The owner and representative on file with the office.

Owner

Cornerstone Business Services, Inc.

Green Bay, United States

Representative

Craig Fieschko

DeWitt LLP

Goods and services

What the mark covers

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

  • Business appraisals; Business acquisitions consultation; Business merger consultation

  • Investment banking services; Business brokerage services and related consulting pertaining to business sales, mergers, acquisitions and business valuations; Financial consulting and advising in the field of mergers and acquisitions; Business brokerage

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Official gazette publication confirmation e-mailed
  2. Published for opposition
  3. Notification of notice of publication e-mailed
  4. Approved for pub - principal register
  5. Notification of examiners amendment e-mailed
  6. Examiner's amendment entered
  7. Examiners amendment e-mailed
  8. Examiners amendment -written
  9. Assigned to examiner
  10. Notice of design search code e-mailed

3 earlier steps on the official record.

FAQ

About CORNERSTONE BUSINESS SERVICES

Who owns the trademark "CORNERSTONE BUSINESS SERVICES"?

The USPTO trademark "CORNERSTONE BUSINESS SERVICES" (application 99850730) is owned by Cornerstone Business Services, Inc.

What is the status of "CORNERSTONE BUSINESS SERVICES"?

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 CORNERSTONE BUSINESS SERVICES 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_019e774c-d521-73bf-832d-bec12d93366c
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019e774c-d521-73bf-832d-bec12d93366c",
  "object": "trademark",
  "mark_text": "CORNERSTONE BUSINESS SERVICES",
  "status": {
    "primary": "pending",
    "stage": "pending_opposition"
  },
  "office_code": "US",
  "application_number": "99850730",
  "filing_date": "2026-05-28",
  "nice_classes": [
    35,
    36
  ],
  "owners": [
    {
      "name": "Cornerstone Business Services, Inc.",
      "entity_id": null
    }
  ]
}