USPTO trademark

COMPLEX CARBON

RegisteredUSPTOWord markClass 35

"COMPLEX CARBON" is a word mark owned by Stephen Falsetti, filed at the USPTO on August 28, 2023. It is registered and covers class 35 (Advertising and Business).

Get this data via the API

Data current as of October 28, 2025Official USPTO record

As filed with the USPTO

Status: Registered; Since October 28, 2025
Filed: August 28, 2023
Registered: October 28, 2025
Expires: Not recorded
Application no.: 98153120
Registration no.: 8005731
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns COMPLEX CARBON

The owner and representative on file with the office.

Owner

Stephen Falsetti

Ridgefield, United States

Representative

Stephen Lesavich, PHD

Lesavich High-Tech Law Group, S.C.

Goods and services

What the mark covers

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

35Class 35 · Advertising and Business
Online retail store services featuring health and wellness products, namely, natural and organic skin care, body care, hair care, and cosmetic products

History

What has happened so far

Steps recorded by the USPTO, newest first.

October 28, 2025Notice of registration confirmation emailed
October 28, 2025Registered-principal register
October 6, 2025Notice of acceptance of statement of use e-mailed
October 6, 2025Allowed principal register - sou accepted
October 4, 2025Statement of use processing complete
October 4, 2025Case assigned to intent to use paralegal
May 6, 2025Use amendment filed
May 6, 2025Teas statement of use received
March 4, 2025Notice of approval of extension request e-mailed
January 6, 2025Sou extension 1 granted

10 earlier steps on the official record.

FAQ

About COMPLEX CARBON

Who owns the trademark "COMPLEX CARBON"?

The USPTO trademark "COMPLEX CARBON" (application 98153120) is owned by Stephen Falsetti.

What is the status of "COMPLEX CARBON"?

Its status at the USPTO is: registered.

When was "COMPLEX CARBON" registered?

It was registered on October 28, 2025.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull COMPLEX CARBON 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_019d2c0a-2673-7099-8e4d-02e460277497
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2c0a-2673-7099-8e4d-02e460277497",
  "object": "trademark",
  "mark_text": "COMPLEX CARBON",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "98153120",
  "filing_date": "2023-08-28",
  "nice_classes": [
    35
  ],
  "owners": [
    {
      "name": "Stephen Falsetti",
      "entity_id": null
    }
  ]
}