USPTO trademark

TAUDX

Opposition periodUSPTOWord markClass 5Class 44

"TAUDX" is a word mark owned by C2N Diagnostics, LLC, filed at the USPTO on March 6, 2026. It is in its opposition period and covers classes 5 and 44.

Get this data via the API
Official USPTO record
TAUDX trademark as filed
As filed with the USPTO
Status
Opposition period
Since September 2, 2026
Filed
March 6, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99687583
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
2 classes
Ownership

Who owns TAUDX

The owner and representative on file with the office.

Owner

C2N Diagnostics, LLC

St. Louis, United States

Representative

Lisa Iverson

Iverson IP

Goods and services

What the mark covers

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

  • Medical diagnostic reagents and assays for testing of body fluids; Diagnostic kits comprised of medical diagnostic reagents and assays for testing of bodily fluids for use in disease detection, namely, neurodegenerative diseases and neurological diseases

  • Medical testing for diagnostic or treatment purposes; Medical analysis services for diagnostic and treatment purposes provided by medical laboratories; Medical testing for diagnostic or treatment purposes in the field of neurodegenerative diseases and neurological diseases; Medical diagnostic testing, monitoring and reporting services; medical testing services

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Extension of time to oppose received
  2. Official gazette publication confirmation e-mailed
  3. Published for opposition
  4. Notification of notice of publication e-mailed
  5. Approved for pub - principal register
  6. Assigned to examiner
  7. New application office supplied data entered
  8. Application filing receipt mailed
  9. New application entered
FAQ

About TAUDX

Who owns the trademark "TAUDX"?

The USPTO trademark "TAUDX" (application 99687583) is owned by C2N Diagnostics, LLC.

What is the status of "TAUDX"?

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 TAUDX 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_019d3eca-ff03-70f9-9c5b-9045b89adf34
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d3eca-ff03-70f9-9c5b-9045b89adf34",
  "object": "trademark",
  "mark_text": "TAUDX",
  "status": {
    "primary": "pending",
    "stage": "pending_opposition"
  },
  "office_code": "US",
  "application_number": "99687583",
  "filing_date": "2026-03-06",
  "nice_classes": [
    5,
    44
  ],
  "owners": [
    {
      "name": "C2N Diagnostics, LLC",
      "entity_id": null
    }
  ]
}