USPTO trademark

STEMFIT

RegisteredUSPTOWord and designClass 5

"STEMFIT" is a word and design mark owned by Ajinomoto Co., Inc., filed at the USPTO on June 3, 2016. It is registered and covers class 5 (Pharmaceuticals).

View Ajinomoto Co., Inc. portfolio Get this data via the API

Data current as of June 21, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since October 11, 2023
Filed: June 3, 2016
Registered: June 20, 2017
Priority date: May 23, 2016; Claimed from Japan
Application no.: 87059311
Registration no.: 5226349
Office: USPTO; United States Patent and Trademark Office
Mark type: Word and design; 1 class

Ownership

Who owns STEMFIT

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

Owner

Ajinomoto Co., Inc.

Chuo-ku, Tokyo, Japan

879 trademarks in the portfolioView company

Representative

Boyuan W. Wang

Procopio Cory Hargreaves & Savitch LLP

Goods and services

What the mark covers

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

05Class 5 · Pharmaceuticals
Cell growth media for medical use; culture media for diagnostic use

History

What has happened so far

Steps recorded by the USPTO, newest first.

June 20, 2026Courtesy reminder - sec. 8 (10-yr)/sec. 9 e-mailed
October 11, 2023Notice of acceptance of sec. 8 & 15 - e-mailed
October 11, 2023Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
October 10, 2023Case assigned to post registration paralegal
April 7, 2023Teas section 8 & 15 received
June 20, 2022Courtesy reminder - sec. 8 (6-yr) e-mailed
June 20, 2017Registered-principal register
April 4, 2017Official gazette publication confirmation e-mailed
April 4, 2017Published for opposition
March 15, 2017Notification of notice of publication e-mailed

10 earlier steps on the official record.

FAQ

About STEMFIT

Who owns the trademark "STEMFIT"?

The USPTO trademark "STEMFIT" (application 87059311) is owned by Ajinomoto Co., Inc.

What is the status of "STEMFIT"?

Its status at the USPTO is: registered.

When was "STEMFIT" registered?

It was registered on June 20, 2017.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull STEMFIT 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_019d2939-6fe6-7499-b681-7ebaa01e4978
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2939-6fe6-7499-b681-7ebaa01e4978",
  "object": "trademark",
  "mark_text": "STEMFIT",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "87059311",
  "filing_date": "2016-06-03",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "Ajinomoto Co., Inc.",
      "entity_id": "ent_019eb74a-6538-701d-9770-c938ed17e265"
    }
  ]
}