USPTO trademark

GLK

Opposition periodUSPTOWord markClass 45

"GLK" is a word mark owned by Gersowitz, Libo & Korek, P.C., filed at the USPTO on April 27, 2026. It is in its opposition period and covers class 45 (Legal and Personal).

Get this data via the API
Official USPTO record
GLK trademark as filed
As filed with the USPTO
Status
Opposition period
Since October 27, 2026
Filed
April 27, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99788914
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns GLK

The owner and representative on file with the office.

Owner

Gersowitz, Libo & Korek, P.C.

New York, United States

Representative

Lindsay Cohen Schneider

Bryan Cave Leighton Paisner LLP

Goods and services

What the mark covers

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

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Extension of time to oppose received
  2. Teas change of correspondence received
  3. Applicant/correspondence changes (non-responsive) entered
  4. Teas change of owner address received
  5. Official gazette publication confirmation e-mailed
  6. Published for opposition
  7. Notification of notice of publication e-mailed
  8. Approved for pub - principal register
  9. Assigned to examiner
  10. New application office supplied data entered

2 earlier steps on the official record.

FAQ

About GLK

Who owns the trademark "GLK"?

The USPTO trademark "GLK" (application 99788914) is owned by Gersowitz, Libo & Korek, P.C.

What is the status of "GLK"?

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 GLK 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_019ddc01-b32c-77dc-83f6-f9abe455a351
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019ddc01-b32c-77dc-83f6-f9abe455a351",
  "object": "trademark",
  "mark_text": "GLK",
  "status": {
    "primary": "pending",
    "stage": "pending_opposition"
  },
  "office_code": "US",
  "application_number": "99788914",
  "filing_date": "2026-04-27",
  "nice_classes": [
    45
  ],
  "owners": [
    {
      "name": "Gersowitz, Libo & Korek, P.C.",
      "entity_id": null
    }
  ]
}