USPTO trademark

CARBON CALCULUS

Under examinationUSPTOWord markClass 42

"CARBON CALCULUS" is a word mark owned by William Joseph Leighton III, filed at the USPTO on June 17, 2026. It is under examination and covers class 42 (Computer and Scientific Services).

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Official USPTO record
CARBON CALCULUS trademark as filed
As filed with the USPTO
Status
Under examination
Since October 11, 2026
Filed
June 17, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99891173
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns CARBON CALCULUS

The owner and representative on file with the office.

Owner

William Joseph Leighton III

Ocean City, United States

Representative

John J O'Malley

Volpe Koenig

Goods and services

What the mark covers

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

  • Providing temporary use of online non-downloadable computer software applications for calculating, modeling, analyzing, forecasting, and reporting the financial value and environmental impact of carbon dioxide emissions, carbon dioxide reductions, carbon offsets, carbon credits, carbon capture, carbon storage, carbon sequestration, greenhouse gas emissions, and carbon reduction projects accessible via a website and online non-downloadable web application software; Providing on-line non-downloadable software for calculating, modeling, analyzing, forecasting, and reporting the financial value and environmental impact of carbon dioxide emissions, carbon dioxide reductions, carbon offsets, carbon credits, carbon capture, carbon storage, carbon sequestration, greenhouse gas emissions, and carbon reduction projects accessible via a website and online non-downloadable web application software; Providing a website that gives computer users the ability to calculate, modeling, analyze, forecast, and report the financial value and environmental impact of carbon dioxide emissions, carbon dioxide reductions, carbon offsets, carbon credits, carbon capture, carbon storage, carbon sequestration, greenhouse gas emissions, and carbon reduction projects accessible via a website and online non-downloadable web application software

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notification of non-final action e-mailed
  2. Non-final action e-mailed
  3. Non-final action written
  4. Assigned to examiner
  5. Preliminary/voluntary amendment - entered
  6. Assigned to lie
  7. Teas voluntary amendment received
  8. Application filing receipt mailed
  9. New application office supplied data entered
  10. New application entered
FAQ

About CARBON CALCULUS

Who owns the trademark "CARBON CALCULUS"?

The USPTO trademark "CARBON CALCULUS" (application 99891173) is owned by William Joseph Leighton III.

What is the status of "CARBON CALCULUS"?

Its status at the USPTO is: under examination.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull CARBON CALCULUS 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_019ede4e-0ce0-7505-99c5-5d4036b1f7c5
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019ede4e-0ce0-7505-99c5-5d4036b1f7c5",
  "object": "trademark",
  "mark_text": "CARBON CALCULUS",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "99891173",
  "filing_date": "2026-06-17",
  "nice_classes": [
    42
  ],
  "owners": [
    {
      "name": "William Joseph Leighton III",
      "entity_id": null
    }
  ]
}