USPTO trademark

YELFEVY

AllowedUSPTOWord markClass 5

"YELFEVY" is a word mark owned by Sanofi Pasteur, filed at the USPTO on February 28, 2025. It has been allowed and covers class 5 (Pharmaceuticals).

Official USPTO record
YELFEVY trademark as filed
As filed with the USPTO
Status
Allowed
Since September 16, 2026
Filed
February 28, 2025
Registered
Not yet
Priority date
October 9, 2024
Claimed from France
Application no.
99061236
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns YELFEVY

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

Owner

Sanofi Pasteur

Lyon, France

901 trademarks in the portfolioView company

Representative

Alexandra Kochian

Fross Zelnick Lehrman & Zissu, P.C.

Goods and services

What the mark covers

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

  • Pharmaceutical preparations for the treatment of immune system related diseases and disorders; Antibodies for medical purposes; Pharmaceutical products for treating respiratory diseases; Anti-inflammatories; Vaccines for human use

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of approval of extension request e-mailed
  2. Sou extension 2 granted
  3. Sou extension 2 filed
  4. Sou teas extension received
  5. Notice of approval of extension request e-mailed
  6. Sou extension 1 granted
  7. Sou extension 1 filed
  8. Sou teas extension received
  9. Noa e-mailed - sou required from applicant
  10. Official gazette publication confirmation e-mailed

10 earlier steps on the official record.

FAQ

About YELFEVY

Who owns the trademark "YELFEVY"?

The USPTO trademark "YELFEVY" (application 99061236) is owned by Sanofi Pasteur.

What is the status of "YELFEVY"?

Its status at the USPTO is: allowed.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull YELFEVY 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 /v1/trademarks/{id}
ID=tm_019d2a7f-b036-7199-ab0f-55b180d8856e
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2a7f-b036-7199-ab0f-55b180d8856e",
  "object": "trademark",
  "mark_text": "YELFEVY",
  "status": {
    "primary": "pending",
    "stage": "allowed"
  },
  "office_code": "US",
  "application_number": "99061236",
  "filing_date": "2025-02-28",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "Sanofi Pasteur",
      "entity_id": "ent_019eb6f9-bed4-7290-b67b-a35bf95894cf"
    }
  ]
}