USPTO trademark

SIDERA

Opposition periodUSPTOWord markClass 42

"SIDERA" is a word mark owned by Sidera Bio ApS, filed at the USPTO on March 26, 2026. It is in its opposition period and covers class 42 (Computer and Scientific Services).

Get this data via the API
Official USPTO record
SIDERA trademark as filed
As filed with the USPTO
Status
Opposition period
Since September 8, 2026
Filed
March 26, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99725929
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns SIDERA

The owner and representative on file with the office.

Owner

Sidera Bio ApS

Gentofte, Denmark

Representative

R Glenn Schroeder

Schroeder Law PC

Goods and services

What the mark covers

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

  • Scientific research in the field of human genetics; Pharmaceutical research and development; Biotechnological research; Drug discovery services; Design and development of pharmaceuticals for gene therapies; Genetic testing for scientific research purposes; Development of algorithms and bioinformatics software for genetic data analysis; Software development and product development in the field of genetics

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Official gazette publication confirmation e-mailed
  2. Published for opposition
  3. Notification of notice of publication e-mailed
  4. Approved for pub - principal register
  5. Notification of examiners amendment e-mailed
  6. Examiner's amendment entered
  7. Examiners amendment e-mailed
  8. Examiners amendment -written
  9. Assigned to examiner
  10. New application office supplied data entered

2 earlier steps on the official record.

FAQ

About SIDERA

Who owns the trademark "SIDERA"?

The USPTO trademark "SIDERA" (application 99725929) is owned by Sidera Bio ApS.

What is the status of "SIDERA"?

Its status at the USPTO is: opposition period.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull SIDERA 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_019d4d09-8c4a-71f1-b957-66f9e2fa9921
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d4d09-8c4a-71f1-b957-66f9e2fa9921",
  "object": "trademark",
  "mark_text": "SIDERA",
  "status": {
    "primary": "pending",
    "stage": "pending_opposition"
  },
  "office_code": "US",
  "application_number": "99725929",
  "filing_date": "2026-03-26",
  "nice_classes": [
    42
  ],
  "owners": [
    {
      "name": "Sidera Bio ApS",
      "entity_id": null
    }
  ]
}