USPTO trademark

GHOST DYE

RegisteredUSPTOWord markClass 1

"GHOST DYE" is a word mark owned by Cytek Biosciences, Inc., filed at the USPTO on October 2, 2013. It is registered and covers class 1 (Chemicals).

View Cytek Biosciences, Inc. portfolio Get this data via the API

Data current as of September 20, 2025Official USPTO record

As filed with the USPTO

Status: Registered; Since September 20, 2025
Filed: October 2, 2013
Registered: June 2, 2015
Expires: Not recorded
Application no.: 86081235
Registration no.: 4748764
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns GHOST DYE

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

Owner

Cytek Biosciences, Inc.

CTKB · Fremont, United States

66 trademarks in the portfolioView company

Representative

William E. Alford

Alford Law Group, Inc.

Goods and services

What the mark covers

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

01Class 1 · Chemicals
Biochemicals, namely, monoclonal antibodies for in vitro scientific or research use

History

What has happened so far

Steps recorded by the USPTO, newest first.

September 20, 2025Notice of acceptance of sec. 8 & 9 - e-mailed
September 20, 2025Registered and renewed (first renewal - 10 yrs)
September 20, 2025Registered - sec. 8 (10-yr) accepted/sec. 9 granted
September 20, 2025Case assigned to post registration paralegal
May 27, 2025Teas section 8 & 9 received
June 2, 2024Teas change of correspondence received
June 2, 2024Attorney/dom.rep.revoked and/or appointed
June 2, 2024Teas revoke/app/change addr of atty/dom rep received
June 2, 2024Applicant/correspondence changes (non-responsive) entered
June 2, 2024Teas change of owner address received

10 earlier steps on the official record.

FAQ

About GHOST DYE

Who owns the trademark "GHOST DYE"?

The USPTO trademark "GHOST DYE" (application 86081235) is owned by Cytek Biosciences, Inc.

What is the status of "GHOST DYE"?

Its status at the USPTO is: registered.

When was "GHOST DYE" registered?

It was registered on June 2, 2015.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull GHOST DYE 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_019d2daa-4575-7655-a8b6-18d4ec6f7763
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2daa-4575-7655-a8b6-18d4ec6f7763",
  "object": "trademark",
  "mark_text": "GHOST DYE",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "86081235",
  "filing_date": "2013-10-02",
  "nice_classes": [
    1
  ],
  "owners": [
    {
      "name": "CYTEK BIOSCIENCES, INC.",
      "entity_id": "ent_019eb701-bab3-712d-9a8f-111804d3764e"
    }
  ]
}