USPTO trademark

SEA

RegisteredUSPTOWord markClass 1Class 40Class 42

"SEA" is a word mark owned by Birchtech Corp., filed at the USPTO on November 20, 2025. It is registered and covers classes 1, 40 and 42.

View Birchtech Corp. portfolioGet this data via the API
Official USPTO record
SEA trademark as filed
As filed with the USPTO
Status
Registered
Since June 23, 2026
Filed
November 20, 2025
Registered
June 23, 2026
Expires
Not recorded
Application no.
99508135
Registration no.
8312199
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
3 classes
Ownership

Who owns SEA

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

Owner

Birchtech Corp.

BCHT · Corsicana, United States

8 trademarks in the portfolioView company

Representative

David D'Zurilla

Schwegman, Lundberg, & Woessner, P.A.

Goods and services

What the mark covers

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

  • Chemicals for purification of water and the removal of containments from water; chemicals that enhance the ability of a sorbent to capture mercury for use in industrial, manufacturing and power generation facilities

  • providing services and technologies for cleaner water and air, namely, environmental remediation services in the treatment of water and air

  • environmental services, namely technical consultation in the field of environmental science; environmental engineering, testing, and inspection services; engineering services in the field of environmental compliance

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 SEA

Who owns the trademark "SEA"?

The USPTO trademark "SEA" (application 99508135) is owned by Birchtech Corp.

What is the status of "SEA"?

Its status at the USPTO is: registered.

When was "SEA" registered?

It was registered on June 23, 2026.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull SEA 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_019d2b63-1496-7705-9be1-7622805a71c4
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2b63-1496-7705-9be1-7622805a71c4",
  "object": "trademark",
  "mark_text": "SEA",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "99508135",
  "filing_date": "2025-11-20",
  "nice_classes": [
    1,
    40,
    42
  ],
  "owners": [
    {
      "name": "Birchtech Corp.",
      "entity_id": "ent_019eb70e-712e-75c9-be12-98575158f48c"
    }
  ]
}