USPTO trademark

BLACK FLAG

RegisteredUSPTOWord markClass 35Class 36

"BLACK FLAG" is a word mark owned by Harpoon Ventures, LLC, filed at the USPTO on July 25, 2025. It is registered and covers classes 35 and 36.

Get this data via the API

Data current as of April 21, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since April 21, 2026
Filed: July 25, 2025
Registered: April 21, 2026
Expires: Not recorded
Application no.: 99304145
Registration no.: 8219288
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 2 classes

Ownership

Who owns BLACK FLAG

The owner and representative on file with the office.

Owner

Harpoon Ventures, LLC

Coronado, United States

Representative

Heather A. Dunn, Esq.

DLA Piper LLP (US)

Goods and services

What the mark covers

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

35Class 35 · Advertising and Business
Business management consulting, strategic planning and business advisory services provided to companies in transition; Providing advice and assistance to commercial entities relating to the establishment and maintenance of business and contractual relationships with federal, state and local governments; Business development services, namely, providing start-up support for businesses of others; Business networking; Business advice and analysis of markets; Business consulting services, namely, providing assistance in development of business strategies and creative ideation
36Class 36 · Insurance and Financial
Funds investment; Investment advice; Investment management; Private equity fund investment services; Providing venture capital, development capital, private equity and investment funding; Financial asset management; Financial due diligence; Financial portfolio management; Management of private equity funds

History

What has happened so far

Steps recorded by the USPTO, newest first.

April 21, 2026Notice of registration confirmation emailed
April 21, 2026Registered-principal register
March 3, 2026Official gazette publication confirmation e-mailed
March 3, 2026Published for opposition
February 25, 2026Notification of notice of publication e-mailed
February 9, 2026Approved for pub - principal register
January 7, 2026Teas/email correspondence entered
January 7, 2026Correspondence received in law office
January 7, 2026Teas response to office action received
December 11, 2025Notification of non-final action e-mailed

6 earlier steps on the official record.

FAQ

About BLACK FLAG

Who owns the trademark "BLACK FLAG"?

The USPTO trademark "BLACK FLAG" (application 99304145) is owned by Harpoon Ventures, LLC.

What is the status of "BLACK FLAG"?

Its status at the USPTO is: registered.

When was "BLACK FLAG" registered?

It was registered on April 21, 2026.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull BLACK FLAG 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 key View docs

GET /v1/trademarks/{id}

ID=tm_019d2b00-f66f-7254-9c2e-15115582adef
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2b00-f66f-7254-9c2e-15115582adef",
  "object": "trademark",
  "mark_text": "BLACK FLAG",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "99304145",
  "filing_date": "2025-07-25",
  "nice_classes": [
    35,
    36
  ],
  "owners": [
    {
      "name": "Harpoon Ventures, LLC",
      "entity_id": null
    }
  ]
}