USPTO trademark

CELLSTREAM

RegisteredUSPTOWord markClass 9Class 10

"CELLSTREAM" is a word mark owned by Cytek Biosciences, Inc., filed at the USPTO on December 8, 2016. It is registered and covers classes 9 and 10.

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

Data current as of April 28, 2025Official USPTO record

As filed with the USPTO

Status: Registered; Since April 28, 2025
Filed: December 8, 2016
Registered: October 30, 2018
Expires: Not recorded
Application no.: 87261835
Registration no.: 5596330
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 2 classes

Ownership

Who owns CELLSTREAM

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 CELLSTREAM is filed for, grouped by Nice class.

09Class 9 · Computers and Scientific Devices
Cell analysis tool for laboratory purposes in cellular research, immunology, molecular biology, cancer research, namely, a flow cytometer
10Class 10 · Medical Apparatus
Cell analysis tool for medical purposes in cellular research, immunology, molecular biology, cancer research, namely, a flow cytometer

History

What has happened so far

Steps recorded by the USPTO, newest first.

April 28, 2025Notice of acceptance of sec. 8 - e-mailed
April 28, 2025Registered - sec. 8 (6-yr) accepted
April 22, 2025Case assigned to post registration paralegal
October 30, 2024Teas section 8 received
October 30, 2023Courtesy reminder - sec. 8 (6-yr) e-mailed
April 5, 2023Automatic update of assignment of ownership
April 2, 2023Applicant/correspondence changes (non-responsive) entered
April 2, 2023Teas change of correspondence received
April 2, 2023Attorney/dom.rep.revoked and/or appointed
April 2, 2023Teas revoke/app/change addr of atty/dom rep received

10 earlier steps on the official record.

FAQ

About CELLSTREAM

Who owns the trademark "CELLSTREAM"?

The USPTO trademark "CELLSTREAM" (application 87261835) is owned by Cytek Biosciences, Inc.

What is the status of "CELLSTREAM"?

Its status at the USPTO is: registered.

When was "CELLSTREAM" registered?

It was registered on October 30, 2018.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull CELLSTREAM 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_019d2b58-e934-7590-9e80-ef31894b9e03
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2b58-e934-7590-9e80-ef31894b9e03",
  "object": "trademark",
  "mark_text": "CELLSTREAM",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "87261835",
  "filing_date": "2016-12-08",
  "nice_classes": [
    9,
    10
  ],
  "owners": [
    {
      "name": "CYTEK BIOSCIENCES, INC.",
      "entity_id": "ent_019eb701-bab3-712d-9a8f-111804d3764e"
    }
  ]
}