USPTO trademark

H2KPLUS

RegisteredUSPTOWord markClass 42

"H2KPLUS" is a word mark owned by Kellogg Brown & Root LLC, filed at the USPTO on October 30, 2025. It is registered and covers class 42 (Computer and Scientific Services).

View Kellogg Brown & Root LLC portfolioGet this data via the API
Official USPTO record
H2KPLUS trademark as filed
As filed with the USPTO
Status
Registered
Since May 26, 2026
Filed
October 30, 2025
Registered
May 26, 2026
Expires
Not recorded
Application no.
99470475
Registration no.
8273335
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns H2KPLUS

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

Owner

Kellogg Brown & Root LLC

Houston, United States

89 trademarks in the portfolioView company

Representative

Dyan M. House

Baker & McKenzie, LLP

Goods and services

What the mark covers

The products and services H2KPLUS is filed for, grouped by Nice class.

  • Consulting services in the field of design and development of engineering processes; Research and development in the field of carbon capture and storage; Engineering design services; Engineering services in the field of hydrogen production

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of registration confirmation emailed
  2. Registered-principal register
  3. Official gazette publication confirmation e-mailed
  4. Published for opposition
  5. Notification of notice of publication e-mailed
  6. Approved for pub - principal register
  7. Assigned to examiner
  8. New application office supplied data entered
  9. Application filing receipt mailed
  10. New application entered
FAQ

About H2KPLUS

Who owns the trademark "H2KPLUS"?

The USPTO trademark "H2KPLUS" (application 99470475) is owned by Kellogg Brown & Root LLC.

What is the status of "H2KPLUS"?

Its status at the USPTO is: registered.

When was "H2KPLUS" registered?

It was registered on May 26, 2026.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull H2KPLUS 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_019d2b51-c903-713a-b79d-ba5df7edb3b6
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2b51-c903-713a-b79d-ba5df7edb3b6",
  "object": "trademark",
  "mark_text": "H2KPLUS",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "99470475",
  "filing_date": "2025-10-30",
  "nice_classes": [
    42
  ],
  "owners": [
    {
      "name": "Kellogg Brown & Root LLC",
      "entity_id": "ent_019f2861-d192-735d-bbd0-cf518bff8bf5"
    }
  ]
}