USPTO trademark

THERASEED

RegisteredUSPTOWord markClass 5

"THERASEED" is a word mark owned by Theragenics Corporation, filed at the USPTO on October 11, 1988. It is registered and covers class 5 (Pharmaceuticals).

View Theragenics Corporation portfolio Get this data via the API

Data current as of March 5, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since August 11, 2020
Filed: October 11, 1988
Registered: June 26, 1990
Expires: Not recorded
Application no.: 73756833
Registration no.: 1603353
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns THERASEED

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

Owner

Theragenics Corporation

Buford, United States

30 trademarks in the portfolioView company

Representative

Edward Playfair

Adams & Reese LLP

Goods and services

What the mark covers

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

05Class 5 · Pharmaceuticals
RADIOACTIVE MICRO IMPLANTS USED AS A RADIOACTIVE SOURCE IN THE INTERSTITIAL TREATMENT OF TUMORS

History

What has happened so far

Steps recorded by the USPTO, newest first.

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
October 22, 2025Teas change of owner address received
October 20, 2025Teas change of correspondence received
October 20, 2025Attorney/dom.rep.revoked and/or appointed
October 20, 2025Teas revoke/app/change addr of atty/dom rep received
October 20, 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.

opposition91253005OtherDecember 18, 2019

FAQ

About THERASEED

Who owns the trademark "THERASEED"?

The USPTO trademark "THERASEED" (application 73756833) is owned by Theragenics Corporation.

What is the status of "THERASEED"?

Its status at the USPTO is: registered.

When was "THERASEED" registered?

It was registered on June 26, 1990.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull THERASEED 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_019d1788-7a79-732b-987c-c95f02183201
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d1788-7a79-732b-987c-c95f02183201",
  "object": "trademark",
  "mark_text": "THERASEED",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "73756833",
  "filing_date": "1988-10-11",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "THERAGENICS CORPORATION",
      "entity_id": "ent_019eb6fa-efa7-72dc-ac07-10dd5d79c2fe"
    }
  ]
}