USPTO trademark

ZEFTYS

Under examinationUSPTOWord markClass 5

"ZEFTYS" is a word mark owned by Dren Bio Management, Inc., filed at the USPTO on October 19, 2026. It is under examination and covers class 5 (Pharmaceuticals).

Get this data via the API
Official USPTO record
ZEFTYS trademark as filed
As filed with the USPTO
Status
Under examination
Since October 19, 2026
Filed
October 19, 2026
Registered
Not yet
Expires
Not recorded
Application no.
50168785
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns ZEFTYS

The owner and representative on file with the office.

Owner

Dren Bio Management, Inc.

San Carlos, United States

Representative

Aaron D. Hendelman

Wilson Sonsini Goodrich & Rosati

Goods and services

What the mark covers

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

  • Pharmaceutical and biological preparations for use in lymphoma, leukemia, lymphoproliferative disorder, cancer, neurological disorders, allergies, infectious diseases, metabolic diseases, immunologic diseases, orphan diseases, rare diseases, and autoimmune disease treatment; pharmaceutical and biological preparations for use in the fields of oncology, hematology, rheumatology, neurology, allergy, infectiology, immunology, autoimmunity, orphan diseases, rare diseases, and immunity; pharmaceutical and biological preparations for tumor treatment; pharmaceutical and biological preparations for suppressing tumors; pharmaceutical products for the prevention and treatment of cancer, neurological disorders, allergies, infectious diseases, immunologic diseases, orphan diseases, rare diseases, metabolic diseases, lymphoma, leukemia, lymphoproliferative disorders, and autoimmune diseases

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. New application office supplied data entered
  2. Application filing receipt mailed
  3. New application entered
FAQ

About ZEFTYS

Who owns the trademark "ZEFTYS"?

The USPTO trademark "ZEFTYS" (application 50168785) is owned by Dren Bio Management, Inc.

What is the status of "ZEFTYS"?

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 ZEFTYS 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_01a1596f-d6e3-75ab-825e-6aa404ca07dd
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a1596f-d6e3-75ab-825e-6aa404ca07dd",
  "object": "trademark",
  "mark_text": "ZEFTYS",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "50168785",
  "filing_date": "2026-10-19",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "Dren Bio Management, Inc.",
      "entity_id": null
    }
  ]
}