USPTO trademark

CIRCADIN

RegisteredUSPTOWord markClass 5

"CIRCADIN" is a word mark owned by Neurim Pharmaceuticals (1991) Ltd., filed at the USPTO on December 18, 2023. It is registered and covers class 5 (Pharmaceuticals).

View Neurim Pharmaceuticals (1991) Ltd. portfolioGet this data via the API
Official USPTO record
CIRCADIN trademark as filed
As filed with the USPTO
Status
Registered
Since August 12, 2025
Filed
December 18, 2023
Registered
August 12, 2025
Expires
Not recorded
Application no.
98318886
Registration no.
7886243
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns CIRCADIN

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

Owner

Neurim Pharmaceuticals (1991) Ltd.

Tel Aviv, Israel

68 trademarks in the portfolioView company

Representative

Kevin D. McCarthy

Roach Brown McCarthy & Gruber, P.C.

Goods and services

What the mark covers

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

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of registration confirmation emailed
  2. Registered-principal register
  3. 1(b) basis deleted; proceed to registration
  4. Applicant/correspondence changes (non-responsive) entered
  5. Teas post publication amendment received
  6. Case assigned to intent to use paralegal
  7. Amendment after noa not entered
  8. Teas delete 1(b) basis received
  9. Noa e-mailed - sou required from applicant
  10. Official gazette publication confirmation e-mailed

10 earlier steps on the official record.

FAQ

About CIRCADIN

Who owns the trademark "CIRCADIN"?

The USPTO trademark "CIRCADIN" (application 98318886) is owned by Neurim Pharmaceuticals (1991) Ltd.

What is the status of "CIRCADIN"?

Its status at the USPTO is: registered.

When was "CIRCADIN" registered?

It was registered on August 12, 2025.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull CIRCADIN 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_019d2c6a-ab42-744f-809f-5021c4e78d59
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2c6a-ab42-744f-809f-5021c4e78d59",
  "object": "trademark",
  "mark_text": "CIRCADIN",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "98318886",
  "filing_date": "2023-12-18",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "Neurim Pharmaceuticals (1991) Ltd.",
      "entity_id": "ent_019ebb02-db1b-74f3-82b8-1bcf9104359a"
    }
  ]
}