USPTO trademark

THERASPHERE

RegisteredUSPTOWord markClass 5

"THERASPHERE" is a word mark owned by Theragenics Corporation, filed at the USPTO on January 27, 1986. It is registered and covers class 5 (Pharmaceuticals).

Get this data via the API

Data current as of September 28, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since September 4, 2026
Filed: January 27, 1986
Registered: September 9, 1986
Expires: Not recorded
Application no.: 73579652
Registration no.: 1408187
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns THERASPHERE

The owner and representative on file with the office.

Owner

Theragenics Corporation

Buford, United States

Representative

Edward Playfair

Adams & Reese LLP

Goods and services

What the mark covers

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

05Class 5 · Pharmaceuticals
IRRADIATED MICROSPHERES USED FOR IN VIVO THERAPEUTIC MEDICAL PURPOSES

History

What has happened so far

Steps recorded by the USPTO, newest first.

September 4, 2026Notice of acceptance of sec. 8 & 9 - e-mailed
September 4, 2026Registered and renewed (third renewal - 10 yrs)
September 4, 2026Registered - sec. 8 (10-yr) accepted/sec. 9 granted
September 4, 2026Case assigned to post registration paralegal
July 13, 2026Teas section 8 & 9 received
March 4, 2026Assignment of ownership not updated automatically
October 22, 2025Teas change of correspondence received
October 22, 2025Attorney/dom.rep.revoked and/or appointed
October 22, 2025Teas revoke/app/change addr of atty/dom rep received
October 22, 2025Applicant/correspondence changes (non-responsive) entered

10 earlier steps on the official record.

Disputes

Oppositions and cancellations

Proceedings recorded against this mark by the USPTO. Reported as recorded, not legal advice.

FAQ

About THERASPHERE

Who owns the trademark "THERASPHERE"?

The USPTO trademark "THERASPHERE" (application 73579652) is owned by Theragenics Corporation.

What is the status of "THERASPHERE"?

Its status at the USPTO is: registered.

When was "THERASPHERE" registered?

It was registered on September 9, 1986.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull THERASPHERE 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_019d16cd-9dc0-7546-8ec2-f5d8e92ca738
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d16cd-9dc0-7546-8ec2-f5d8e92ca738",
  "object": "trademark",
  "mark_text": "THERASPHERE",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "73579652",
  "filing_date": "1986-01-27",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "THERAGENICS CORPORATION",
      "entity_id": null
    }
  ]
}