USPTO trademark

STEDFEYO

AllowedUSPTOWord markClass 5

"STEDFEYO" is a word mark owned by Pfizer Inc., filed at the USPTO on January 29, 2026. It has been allowed and covers class 5 (Pharmaceuticals).

View Pfizer Inc. portfolioGet this data via the API
Official USPTO record
STEDFEYO trademark as filed
As filed with the USPTO
Status
Allowed
Since June 9, 2026
Filed
January 29, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99623442
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns STEDFEYO

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

Owner

Pfizer Inc.

PFE · New York, United States

6,826 trademarks in the portfolioView company

Representative

Heather A. McDonald

Pfizer Inc.

Goods and services

What the mark covers

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

  • Pharmaceutical preparations for the treatment of autoimmune, cardiovascular, endocrine, gastrointestinal, genetic, infectious, inflammatory, kidney, liver, menopausal, metabolic, musculoskeletal, neurodegenerative, neurological, neuromuscular and viral diseases and disorders; Pharmaceutical preparations for the treatment of blood disorders, bone growth disorders, hormonal disorders, skin disorders, arthritis, cancer, cachexia, hypertension, migraine, pain, stroke, obesity and diabetes; Pharmaceuticals, namely, anti-infectives; Medicated dermatological preparations and substances; Antifungal preparations; Smoking cessation preparations; Vaccines for human use

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Noa e-mailed - sou required from applicant
  2. Official gazette publication confirmation e-mailed
  3. Published for opposition
  4. Notification of notice of publication e-mailed
  5. Approved for pub - principal register
  6. Assigned to examiner
  7. Application filing receipt mailed
  8. New application office supplied data entered
  9. New application entered
FAQ

About STEDFEYO

Who owns the trademark "STEDFEYO"?

The USPTO trademark "STEDFEYO" (application 99623442) is owned by Pfizer Inc.

What is the status of "STEDFEYO"?

Its status at the USPTO is: allowed.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull STEDFEYO 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_019d2b98-381c-70dc-b0e1-d6a5cb80c62c
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2b98-381c-70dc-b0e1-d6a5cb80c62c",
  "object": "trademark",
  "mark_text": "STEDFEYO",
  "status": {
    "primary": "pending",
    "stage": "allowed"
  },
  "office_code": "US",
  "application_number": "99623442",
  "filing_date": "2026-01-29",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "Pfizer Inc.",
      "entity_id": "ent_019f2853-15ff-713b-878b-ed770179b310"
    }
  ]
}