USPTO trademark

YSELTY

RegisteredUSPTOWord markClass 5

"YSELTY" is a word mark owned by Kissei Pharmaceutical Co., Ltd., filed at the USPTO on April 29, 2025. It is registered and covers class 5 (Pharmaceuticals).

Get this data via the API
Official USPTO record
YSELTY trademark as filed
As filed with the USPTO
Status
Registered
Since December 9, 2025
Filed
April 29, 2025
Registered
December 9, 2025
Expires
Not recorded
Application no.
99161689
Registration no.
8058685
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns YSELTY

The owner and representative on file with the office.

Owner

Kissei Pharmaceutical Co., Ltd.

Nagano, Japan

Representative

John M. Mueller

Baker & Hostetler LLP

Goods and services

What the mark covers

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

  • Pharmaceutical preparations for diagnostic purposes, treatment and prevention of endometriosis, uterine fibroids and other disorders of the reproductive system, of hormonally dependent conditions, and of inflammatory and immune system disorders

History

What has happened so far

Steps recorded by the USPTO, newest first.

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

About YSELTY

Who owns the trademark "YSELTY"?

The USPTO trademark "YSELTY" (application 99161689) is owned by Kissei Pharmaceutical Co., Ltd.

What is the status of "YSELTY"?

Its status at the USPTO is: registered.

When was "YSELTY" registered?

It was registered on December 9, 2025.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull YSELTY 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_019d2aba-dd1b-756a-bffb-5b6c74f8e5bc
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2aba-dd1b-756a-bffb-5b6c74f8e5bc",
  "object": "trademark",
  "mark_text": "YSELTY",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "99161689",
  "filing_date": "2025-04-29",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "Kissei Pharmaceutical Co., Ltd.",
      "entity_id": null
    }
  ]
}