USPTO trademark

QUELL

Under examinationUSPTOWord markClass 5Class 40Class 42Class 44

"QUELL" is a word mark owned by Quell Therapeutics Limited, filed at the USPTO on October 13, 2026. It is under examination and covers classes 5, 40, 42 and 44.

Official USPTO record
QUELL trademark as filed
As filed with the USPTO
Status
Under examination
Since October 13, 2026
Filed
October 13, 2026
Registered
Not yet
Expires
Not recorded
Application no.
50158528
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
4 classes
Ownership

Who owns QUELL

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

Goods and services

What the mark covers

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

  • Pharmaceutical and biological preparations for diagnostic, medical, therapeutic, and prophylactic use for inducing tolerance to a transplant and for treating, preventing or ameliorating transplant rejection, Graft-versus-Host Disease (GvHD), autoimmune and allergic disease, undesired inflammation and inflammatory disease, and for promoting tissue repair and regeneration; veterinary preparations for diagnostic, medical, therapeutic, and prophylactic use for inducing tolerance to a transplant and for treating, preventing or ameliorating transplant rejection, Graft-versus-Host Disease (GvHD), autoimmune and allergic disease, undesired inflammation and inflammatory disease, and for promoting tissue repair and regeneration; preparations for cell therapy, namely, preparations comprising T cells having an immunosuppressive phenotype; preparations for gene therapy; pharmaceutical, medical, and clinical preparations for use in treatment, amelioration and prophylaxis of immune system related diseases and disorders; preparations for therapies to modulate the immune system for inducing tolerance to a transplant and for treating, preventing or ameliorating transplant rejection, Graft-versus-Host Disease (GvHD), autoimmune and allergic disease, undesired inflammation and inflammatory disease, and for promoting tissue repair and regeneration; preparations for therapies for autoimmune conditions and immunological disorders; cancer preparations, namely, chimeric antigen receptors and therapeutic preparations thereof for inducing tolerance to a transplant and for treating, preventing or ameliorating transplant rejection, Graft-versus-Host Disease (GvHD), autoimmune and allergic disease, undesired inflammation and inflammatory disease, and for promoting tissue repair and regeneration; diagnostic kits consisting of monoclonal antibodies for use in disease testing and for inducing tolerance to a transplant and for treating, preventing or ameliorating transplant rejection, Graft-versus-Host Disease (GvHD), autoimmune and allergic disease, undesired inflammation and inflammatory disease, and for promoting tissue repair and regeneration; preparations for therapeutic delivery of nucleic acids for inducing tolerance to a transplant and for treating, preventing or ameliorating transplant rejection, Graft-versus-Host Disease (GvHD), autoimmune and allergic disease, undesired inflammation and inflammatory disease, and for promoting tissue repair and regeneration; viral or nucleic acid vectors for therapeutic or prophylactic purposes and preparations containing such vectors for inducing tolerance to a transplant and for treating, preventing or ameliorating transplant rejection, Graft-versus Host Disease (GvHD), autoimmune and allergic disease, undesired inflammation and inflammatory disease, and for promoting tissue repair and regeneration; preparations for genetically modifying human and animal cells for diagnostic and medical purposes; preparations of blood or cells extracted from humans or animals which have been adapted for therapeutic purposes; none of the foregoing having any relation to pain treatment or management

  • Manufacturing and processing pharmaceuticals for others; manufacturing and processing biological, biotechnological and biopharmaceutical preparations for others; processing of biological tissue, blood, cell, and genetic material for others; production and manufacture of viral vectors for others; production and manufacture of gene therapy products for others; custom manufacture of pharmaceutical and biological preparations for others; none of the foregoing having any relation to pain treatment or management

  • Advisory services relating to gene therapy and design; Scientific and technological services, namely, research and design in the field of T cells with an immunosuppressive phenotype and transplant rejection, Graft versus-Host Disease (GvHD), autoimmune and allergic disease, undesired inflammation and inflammatory disease, and for promoting tissue repair and regeneration; industrial analysis and research in the field of cell therapy; medical and veterinary research services in the field of the manipulation of cells within a laboratory or research facility to enable the cells to be used for therapeutic purposes; scientific research in the development of new therapies in the field of autoimmune disorders, immunological disorders and to modulate the immune system; scientific research in human and animal cell therapy; scientific research in human and animal gene therapy; scientific research into vectors and preparations for manipulating and adapting human and animal cells; scientific and technological services, namely, design in the field of cell therapy; none of the foregoing having any relation to pain treatment or management

  • Medical services; medical services in the field of immunology; medical services in the field of surgery; medical services in the field of autoimmune diseases and conditions; medical services in the field of tissue transplant surgery; collection and preservation of biological tissue, blood, cells and genetic materials; medical diagnosis of transplant rejection, Graft-versus Host Disease (GvHD), autoimmune and allergic disease, undesired inflammation and inflammatory disease, and for promoting tissue repair and regeneration; Medical treatment of transplant rejection, Graft-versus-Host Disease (GvHD), autoimmune and allergic disease, undesired inflammation and inflammatory disease, and for promoting tissue repair and regeneration; providing information and data for diagnosis and medical treatment of transplant rejection, Graft-versus-Host Disease (GvHD), autoimmune and allergic disease, undesired inflammation and inflammatory disease, and for promoting tissue repair and regeneration; gene and nucleic acid delivery or modification for therapeutic purposes; medical treatment, namely, administering cell or gene therapies; advisory services in the field of health as it relates to cell or gene therapy; medical advisory services relating to cell or gene therapy; none of the foregoing having any relation to pain treatment or management

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Preliminary/voluntary amendment - entered
  2. Teas voluntary amendment received
  3. Application filing receipt mailed
  4. New application office supplied data entered
  5. New application entered
FAQ

About QUELL

Who owns the trademark "QUELL"?

The USPTO trademark "QUELL" (application 50158528) is owned by Quell Therapeutics Limited.

What is the status of "QUELL"?

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 QUELL 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 /v1/trademarks/{id}
ID=tm_01a13a85-f894-7768-b267-a932bad0f0da
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a13a85-f894-7768-b267-a932bad0f0da",
  "object": "trademark",
  "mark_text": "QUELL",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "50158528",
  "filing_date": "2026-10-13",
  "nice_classes": [
    5,
    40,
    42,
    44
  ],
  "owners": [
    {
      "name": "Quell Therapeutics Limited",
      "entity_id": "ent_019eb713-28ed-72ad-82d5-ad53e70b1c35"
    }
  ]
}