USPTO trademark

ELIXIRON

Under examinationUSPTOWord markClass 5Class 42

"ELIXIRON" is a word mark owned by Elixiron Immunotherapeutics Inc., filed at the USPTO on September 11, 2026. It is under examination and covers classes 5 and 42.

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Official USPTO record
ELIXIRON trademark as filed
As filed with the USPTO
Status
Under examination
Since September 11, 2026
Filed
September 11, 2026
Registered
Not yet
Priority date
September 9, 2026
Claimed from Taiwan
Application no.
50102702
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
2 classes
Ownership

Who owns ELIXIRON

The owner and representative on file with the office.

Owner

Elixiron Immunotherapeutics Inc.

Taipei City 115011, Taiwan

Representative

Michael T. Smith

Birch Stewart Kolasch & Birch, LLP

Goods and services

What the mark covers

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

  • Pharmaceutical preparations for the treatment of Alzheimer’s disease; Pharmaceutical preparations for the treatment of vitiligo; Pharmaceutical preparations for the treatment of hemophagocytic syndrome; Pharmaceutical preparations for the treatment of alopecia; Pharmaceutical preparations for the treatment of ALS (Amyotrophic Lateral Sclerosis); Pharmaceutical preparations for the treatment of Parkinson's disease; Pharmaceutical preparations for the treatment of neurodegenerative diseases; Pharmaceutical preparations for the treatment of immune diseases; Pharmaceutical preparations for the treatment of autoimmune diseases and disorders; Pharmaceutical preparations for the treatment of liver cancer; Pharmaceutical preparations for the treatment of cancer; Pharmaceutical preparations for suppressing tumors

  • Scientific research in the field of immunology; Scientific research in the field of neurodegeneration; Conducting clinical trials for others; Clinical research services; Research and development of antibodies; Scientific and technological services, namely, scientific research, analysis, testing in the field of medical reagents; Culturing of cells for others for scientific research purposes; Research and development of new products for others; Research and development of medicines; Technological research in the field of immunology; Scientific laboratory services; Scientific research; Technical consulting in the field of pharmaceutical studies; Technology consultation in the field of clinical research; Medical research in the field of antibodies; Technological research in the field of neurodegeneration

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Application filing receipt mailed
  2. New application entered
FAQ

About ELIXIRON

Who owns the trademark "ELIXIRON"?

The USPTO trademark "ELIXIRON" (application 50102702) is owned by Elixiron Immunotherapeutics Inc.

What is the status of "ELIXIRON"?

Its status at the USPTO is: under examination.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull ELIXIRON 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_01a095ba-6978-74fe-8a53-59fc4809ea60
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a095ba-6978-74fe-8a53-59fc4809ea60",
  "object": "trademark",
  "mark_text": "ELIXIRON",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "50102702",
  "filing_date": "2026-09-11",
  "nice_classes": [
    5,
    42
  ],
  "owners": [
    {
      "name": "ELIXIRON IMMUNOTHERAPEUTICS INC.",
      "entity_id": null
    }
  ]
}