USPTO trademark

SIDERA BIO

Opposition periodUSPTOWord markClass 42

"SIDERA BIO" 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).

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Official USPTO record
SIDERA BIO 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.
99725968
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns SIDERA BIO

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 BIO 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 BIO

Who owns the trademark "SIDERA BIO"?

The USPTO trademark "SIDERA BIO" (application 99725968) is owned by Sidera Bio ApS.

What is the status of "SIDERA BIO"?

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 BIO 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_019d4d09-8d80-7379-ae28-7b57916c4431
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d4d09-8d80-7379-ae28-7b57916c4431",
  "object": "trademark",
  "mark_text": "SIDERA BIO",
  "status": {
    "primary": "pending",
    "stage": "pending_opposition"
  },
  "office_code": "US",
  "application_number": "99725968",
  "filing_date": "2026-03-26",
  "nice_classes": [
    42
  ],
  "owners": [
    {
      "name": "Sidera Bio ApS",
      "entity_id": null
    }
  ]
}