USPTO trademark

BIG TUNA

RegisteredUSPTOWord markClass 9

"BIG TUNA" is a word mark owned by Unchained Labs, filed at the USPTO on September 21, 2018. It is registered and covers class 9 (Computers and Scientific Devices).

View Unchained Labs portfolioGet this data via the API
Official USPTO record
BIG TUNA trademark as filed
As filed with the USPTO
Status
Registered
Since January 8, 2026
Filed
September 21, 2018
Registered
October 1, 2019
Expires
Not recorded
Application no.
88127910
Registration no.
5875627
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns BIG TUNA

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

Owner

Unchained Labs

Pleasanton, United States

49 trademarks in the portfolioView company

Representative

Susan P. Christoff

Cooley LLP

Goods and services

What the mark covers

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

  • Protein analysis and sample preparation equipment comprised of computer, hardware, software and display screens for protein formulation, buffer exchange and sample concentration for use in, protein research, antibody research, formulation development, biologic development, and biologic production

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of acceptance of sec. 8 & 15 - e-mailed
  2. Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
  3. Case assigned to post registration paralegal
  4. Teas section 8 & 15 received
  5. Courtesy reminder - sec. 8 (6-yr) e-mailed
  6. Teas withdrawal of attorney received-firm retains
  7. Teas change of correspondence received
  8. Attorney/dom.rep.revoked and/or appointed
  9. Teas revoke/app/change addr of atty/dom rep received
  10. Applicant/correspondence changes (non-responsive) entered

10 earlier steps on the official record.

FAQ

About BIG TUNA

Who owns the trademark "BIG TUNA"?

The USPTO trademark "BIG TUNA" (application 88127910) is owned by Unchained Labs.

What is the status of "BIG TUNA"?

Its status at the USPTO is: registered.

When was "BIG TUNA" registered?

It was registered on October 1, 2019.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull BIG TUNA 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_019d29cd-e08d-749e-87a6-d33ef50224c3
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d29cd-e08d-749e-87a6-d33ef50224c3",
  "object": "trademark",
  "mark_text": "BIG TUNA",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "88127910",
  "filing_date": "2018-09-21",
  "nice_classes": [
    9
  ],
  "owners": [
    {
      "name": "Unchained Labs",
      "entity_id": "ent_019fbe1f-fb2c-725f-a46c-481c2a00e27d"
    }
  ]
}