USPTO trademark

GERON

RegisteredUSPTOWord markClass 5Class 42

"GERON" is a word mark owned by Geron Corporation, filed at the USPTO on July 25, 2002. It is registered and covers classes 5 and 42.

View Geron Corporation portfolio Get this data via the API

Data current as of October 29, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since November 13, 2025
Filed: July 25, 2002
Registered: July 4, 2006
Expires: Not recorded
Application no.: 78976715
Registration no.: 3113186
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 2 classes

Ownership

Who owns GERON

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

Owner

Geron Corporation

GERN · Foster City, United States

55 trademarks in the portfolioView company

Representative

Maury M. Tepper, III

Tepper & Eyster, PLLC

Goods and services

What the mark covers

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

05Class 5 · Pharmaceuticals
THERAPEUTIC, DIAGNOSTIC, AND PROPHYLACTIC PREPARATIONS, PHARMACEUTICAL PRODUCTS AND AGENTS FOR THE TREATMENT, DIAGNOSIS OR PROPHYLAXIS OF HUMAN DISEASES, DISORDERS AND CONDITIONS, NAMELY, CANCER, DISEASES, DISORDERS AND CONDITIONS OF THE HEMATOLOGICAL SYSTEMS
42Class 42 · Computer and Scientific Services
Scientific research and development of preparations, agents and biotechnology for the treatment, diagnosis or prophylaxis of human diseases, disorders and conditions, namely cancer, diabetes, arthritis, osteoporosis, bone fractures and wound healing, and diseases, disorders and conditions of the cardiovascular, hematological, neuronal and nervous systems; scientific research and development of cosmetics, sundries and nutraceuticals; providing medical and scientific information to scientists, physicians and other health care providers

History

What has happened so far

Steps recorded by the USPTO, newest first.

November 13, 2025Notice of acceptance of sec. 8 & 9 - e-mailed
November 13, 2025Registered and renewed (second renewal - 10 yrs)
November 13, 2025Registered - sec. 8 (10-yr) accepted/sec. 9 granted
November 13, 2025Case assigned to post registration paralegal
August 25, 2025Teas change of correspondence received
August 25, 2025Attorney/dom.rep.revoked and/or appointed
August 25, 2025Teas revoke/app/change addr of atty/dom rep received
August 25, 2025Applicant/correspondence changes (non-responsive) entered
August 25, 2025Teas change of owner address received
July 28, 2025Teas section 8 & 9 received

10 earlier steps on the official record.

FAQ

About GERON

Who owns the trademark "GERON"?

The USPTO trademark "GERON" (application 78976715) is owned by Geron Corporation.

What is the status of "GERON"?

Its status at the USPTO is: registered.

When was "GERON" registered?

It was registered on July 4, 2006.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull GERON 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_019d2a22-b41c-769b-89ba-f41298357fd0
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2a22-b41c-769b-89ba-f41298357fd0",
  "object": "trademark",
  "mark_text": "GERON",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "78976715",
  "filing_date": "2002-07-25",
  "nice_classes": [
    5,
    42
  ],
  "owners": [
    {
      "name": "Geron Corporation",
      "entity_id": "ent_019ebba3-9b14-73fa-bb65-97abafcde0aa"
    }
  ]
}