USPTO trademark

DUOLINK

Opposition periodUSPTOWord markClass 10

"DUOLINK" is a word mark owned by LSI Solutions, Inc., filed at the USPTO on July 23, 2026. It is in its opposition period and covers class 10 (Medical Apparatus).

View LSI Solutions, Inc. portfolioGet this data via the API
Official USPTO record
DUOLINK trademark as filed
As filed with the USPTO
Status
Opposition period
Since September 15, 2026
Filed
July 23, 2026
Registered
Not yet
Expires
Not recorded
Application no.
50008990
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns DUOLINK

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

Owner

LSI Solutions, Inc.

Victor, United States

391 trademarks in the portfolioView company

Representative

Michael E. Coyne

LSI Solutions, Inc.

Goods and services

What the mark covers

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

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. Assigned to examiner
  6. New application office supplied data entered
  7. Application filing receipt mailed
  8. New application entered
FAQ

About DUOLINK

Who owns the trademark "DUOLINK"?

The USPTO trademark "DUOLINK" (application 50008990) is owned by LSI Solutions, Inc.

What is the status of "DUOLINK"?

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 DUOLINK 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_019f943a-4bfa-7088-a174-012b0546693b
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019f943a-4bfa-7088-a174-012b0546693b",
  "object": "trademark",
  "mark_text": "DUOLINK",
  "status": {
    "primary": "pending",
    "stage": "pending_opposition"
  },
  "office_code": "US",
  "application_number": "50008990",
  "filing_date": "2026-07-23",
  "nice_classes": [
    10
  ],
  "owners": [
    {
      "name": "LSI Solutions, Inc.",
      "entity_id": "ent_019fc38c-d79f-71d8-9520-1f2c1e010b64"
    }
  ]
}