USPTO trademark

H

AllowedUSPTOFigurative markClass 9

"H" is a figurative mark owned by Quantinuum Ltd, filed at the USPTO on November 3, 2025. It has been allowed and covers class 9 (Computers and Scientific Devices).

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Official USPTO record
H trademark as filed
As filed with the USPTO
Status
Allowed
Since June 23, 2026
Filed
November 3, 2025
Registered
Not yet
Expires
Not recorded
Application no.
99476969
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Figurative mark
1 class
Ownership

Who owns H

The owner and representative on file with the office.

Owner

Quantinuum Ltd

London, United Kingdom

Representative

Mary Grace Gallagher

Alston & Bird LLP

Goods and services

What the mark covers

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

  • Downloadable computer software for data and source code processing in the field of quantum qubit-based computing and hybrid quantum-classical computing; downloadable computer software for constructing, analyzing and running quantum qubit-based programs and algorithms and quantum-classical programs and algorithms; downloadable application programming interface (API) software for use in quantum qubit-based computing and hybrid quantum-classical computing, particularly, programming and developing and testing quantum qubit-based algorithms and hybrid quantum-classical algorithms; downloadable computer software for developing and testing quantum qubit-based algorithms and hybrid quantum-classical algorithms; downloadable computer software for solving quantum qubit-based and hybrid quantum-classical algorithms, simulation of quantum qubit-based and hybrid quantum-classical processes, quantum qubit-based and hybrid quantum-classical machine learning, quantum qubit-based and hybrid quantum-classical analytics, and solving quantum qubit-based and hybrid quantum-classical mathematical problems; downloadable computer software for acquiring, analyzing, processing, storing, or providing quantum qubit-level information and hybrid quantum-classical information; downloadable computer software for developing and deploying quantum and hybrid quantum-classical web applications; downloadable computer software for quantum and hybrid quantum-classical coding; downloadable interactive computer software for quantum and hybrid quantum-classical coding; downloadable personal computer application software for quantum and hybrid quantum-classical coding; Downloadable computer software featuring runtime for developing, deploying and managing quantum and hybrid quantum-classical microservices; downloadable software for representing, referring to, and displaying data as a graph structure for qubit-based programs and algorithms and quantum-classical programs

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Noa e-mailed - sou required from applicant
  2. Official gazette publication confirmation e-mailed
  3. Published for opposition
  4. Notification of notice of publication e-mailed
  5. Approved for pub - principal register
  6. Examiner's amendment entered
  7. Notification of examiners amendment e-mailed
  8. Examiners amendment e-mailed
  9. Examiners amendment -written
  10. Assigned to examiner

3 earlier steps on the official record.

FAQ

About H

Who owns the trademark "H"?

The USPTO trademark "H" (application 99476969) is owned by Quantinuum Ltd.

What is the status of "H"?

Its status at the USPTO is: allowed.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull H 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_019d2b54-ca5e-73cd-8c3f-58abeb0e8b31
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2b54-ca5e-73cd-8c3f-58abeb0e8b31",
  "object": "trademark",
  "mark_text": "H",
  "status": {
    "primary": "pending",
    "stage": "allowed"
  },
  "office_code": "US",
  "application_number": "99476969",
  "filing_date": "2025-11-03",
  "nice_classes": [
    9
  ],
  "owners": [
    {
      "name": "Quantinuum Ltd",
      "entity_id": null
    }
  ]
}