USPTO trademark

LEO

RegisteredUSPTOWord markClass 9

"LEO" is a word mark owned by RareCyte, Inc., filed at the USPTO on May 9, 2022. It is registered and covers class 9 (Computers and Scientific Devices).

View RareCyte, Inc. portfolio Get this data via the API

Data current as of May 13, 2025Official USPTO record

As filed with the USPTO

Status: Registered; Since May 13, 2025
Filed: May 9, 2022
Registered: May 13, 2025
Expires: Not recorded
Application no.: 97401823
Registration no.: 7795830
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns LEO

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

Owner

RareCyte, Inc.

Seattle, United States

73 trademarks in the portfolioView company

Representative

Gabrielle A. Holley

Holley & Menker, P.A.

Goods and services

What the mark covers

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

09Class 9 · Computers and Scientific Devices
Light irradiation apparatus for reducing autofluorescence in biological samples for scientific or laboratory research purposes

History

What has happened so far

Steps recorded by the USPTO, newest first.

May 13, 2025Notice of registration confirmation emailed
May 13, 2025Registered-principal register
April 23, 2025Notice of acceptance of statement of use e-mailed
April 23, 2025Allowed principal register - sou accepted
March 30, 2025Statement of use processing complete
March 30, 2025Case assigned to intent to use paralegal
January 22, 2025Use amendment filed
January 22, 2025Teas statement of use received
January 22, 2025Notice of approval of extension request e-mailed
January 21, 2025Sou extension 3 granted

10 earlier steps on the official record.

FAQ

About LEO

Who owns the trademark "LEO"?

The USPTO trademark "LEO" (application 97401823) is owned by RareCyte, Inc.

What is the status of "LEO"?

Its status at the USPTO is: registered.

When was "LEO" registered?

It was registered on May 13, 2025.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull LEO 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_019d2a86-a7ce-749b-a872-156ef1035c6a
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2a86-a7ce-749b-a872-156ef1035c6a",
  "object": "trademark",
  "mark_text": "LEO",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "97401823",
  "filing_date": "2022-05-09",
  "nice_classes": [
    9
  ],
  "owners": [
    {
      "name": "RareCyte, Inc.",
      "entity_id": "ent_019ebbc3-cfef-7739-99a3-d0ad0bce4dd0"
    }
  ]
}