USPTO trademark

QUADRAFUSE

Under examinationUSPTOWord markClass 5

"QUADRAFUSE" is a word mark owned by VB Spine LLC, filed at the USPTO on September 4, 2026. It is under examination and covers class 5 (Pharmaceuticals).

Get this data via the API
Official USPTO record
QUADRAFUSE trademark as filed
As filed with the USPTO
Status
Under examination
Since September 4, 2026
Filed
September 4, 2026
Registered
Not yet
Expires
Not recorded
Application no.
50090702
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns QUADRAFUSE

The owner and representative on file with the office.

Owner

VB Spine LLC

Leesburg, United States

Representative

Tram Anh Nguyen

Farber LLC

Goods and services

What the mark covers

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

  • Human allograft tissue; Human allograft bone and tissue; Surgical implants comprising living tissue; Bone graft material comprising cancellous bone chips with viable cells, demineralized bone matrix, and periosteum; Bone fillers consisting of living materials; Biological implants comprising human tissue

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Application filing receipt mailed
  2. New application office supplied data entered
  3. New application entered
FAQ

About QUADRAFUSE

Who owns the trademark "QUADRAFUSE"?

The USPTO trademark "QUADRAFUSE" (application 50090702) is owned by VB Spine LLC.

What is the status of "QUADRAFUSE"?

Its status at the USPTO is: under examination.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull QUADRAFUSE 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_01a071ae-8342-7126-b608-748b5e06c4e1
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a071ae-8342-7126-b608-748b5e06c4e1",
  "object": "trademark",
  "mark_text": "QUADRAFUSE",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "50090702",
  "filing_date": "2026-09-04",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "VB Spine LLC",
      "entity_id": null
    }
  ]
}