USPTO trademark

LIFERNA

Opposition periodUSPTOWord markClass 5

"LIFERNA" is a word mark owned by Liferna, Inc., filed at the USPTO on May 29, 2026. It is in its opposition period and covers class 5 (Pharmaceuticals).

Get this data via the API
Official USPTO record
LIFERNA trademark as filed
As filed with the USPTO
Status
Opposition period
Since October 27, 2026
Filed
May 29, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99853635
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns LIFERNA

The owner and representative on file with the office.

Owner

Liferna, Inc.

Encinitas, United States

Representative

Michael R. Graif

Brown Rudnick LLP

Goods and services

What the mark covers

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

  • Pharmaceutical preparations for the treatment of cancer and autoimmune, fibrotic, musculoskeletal and neurological diseases

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. Letter of protest evidence reviewed-no further action taken
  6. Assigned to examiner
  7. Letter of protest evidence forwarded
  8. Application filing receipt mailed
  9. New application office supplied data entered
  10. New application entered
FAQ

About LIFERNA

Who owns the trademark "LIFERNA"?

The USPTO trademark "LIFERNA" (application 99853635) is owned by Liferna, Inc.

What is the status of "LIFERNA"?

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 LIFERNA 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_019e7c71-e062-75f8-9172-e2de512b654f
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019e7c71-e062-75f8-9172-e2de512b654f",
  "object": "trademark",
  "mark_text": "LIFERNA",
  "status": {
    "primary": "pending",
    "stage": "pending_opposition"
  },
  "office_code": "US",
  "application_number": "99853635",
  "filing_date": "2026-05-29",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "Liferna, Inc.",
      "entity_id": null
    }
  ]
}