USPTO trademark

CLSS

RegisteredUSPTOWord markClass 42

"CLSS" is a word mark owned by Leepfrog Technologies, Inc., filed at the USPTO on October 28, 2014. It is registered and covers class 42 (Computer and Scientific Services).

View Leepfrog Technologies, Inc. portfolio Get this data via the API

Data current as of August 23, 2025Official USPTO record

As filed with the USPTO

Status: Registered; Since August 23, 2025
Filed: October 28, 2014
Registered: August 18, 2015
Expires: Not recorded
Application no.: 86436922
Registration no.: 4796872
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns CLSS

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

Owner

Leepfrog Technologies, Inc.

Coralville, United States

59 trademarks in the portfolioView company

Representative

Sarah J. Gayer

Nyemaster Goode, P.C.

Goods and services

What the mark covers

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

42Class 42 · Computer and Scientific Services
Providing on-line, non-downloadable software for colleges and universities to determine when to offer their sections and class offerings each term

History

What has happened so far

Steps recorded by the USPTO, newest first.

August 23, 2025Notice of acceptance of sec. 8 & 9 - e-mailed
August 23, 2025Registered and renewed (first renewal - 10 yrs)
August 23, 2025Registered - sec. 8 (10-yr) accepted/sec. 9 granted
August 23, 2025Case assigned to post registration paralegal
April 15, 2025Teas section 8 & 9 received
August 18, 2024Courtesy reminder - sec. 8 (10-yr)/sec. 9 e-mailed
July 28, 2021Notice of acceptance of sec. 8 & 15 - e-mailed
July 28, 2021Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
July 28, 2021Case assigned to post registration paralegal
March 26, 2021Teas section 8 & 15 received

10 earlier steps on the official record.

FAQ

About CLSS

Who owns the trademark "CLSS"?

The USPTO trademark "CLSS" (application 86436922) is owned by Leepfrog Technologies, Inc.

What is the status of "CLSS"?

Its status at the USPTO is: registered.

When was "CLSS" registered?

It was registered on August 18, 2015.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull CLSS 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_019d2a58-bb47-7113-9c58-20b68e8e1a73
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2a58-bb47-7113-9c58-20b68e8e1a73",
  "object": "trademark",
  "mark_text": "CLSS",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "86436922",
  "filing_date": "2014-10-28",
  "nice_classes": [
    42
  ],
  "owners": [
    {
      "name": "LEEPFROG TECHNOLOGIES, INC.",
      "entity_id": "ent_01a10cdd-002a-73df-a11a-aad23dd84764"
    }
  ]
}