USPTO trademark

DAY ONE

RegisteredUSPTOWord markClass 42

"DAY ONE" is a word mark owned by Day One Biopharmaceuticals, Inc., filed at the USPTO on November 14, 2018. It is registered and covers class 42 (Computer and Scientific Services).

View Day One Biopharmaceuticals, Inc. portfolioGet this data via the API
Official USPTO record
DAY ONE trademark as filed
As filed with the USPTO
Status
Registered
Since October 20, 2026
Filed
November 14, 2018
Registered
November 17, 2020
Expires
Not recorded
Application no.
88193220
Registration no.
6201030
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns DAY ONE

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

Owner

Day One Biopharmaceuticals, Inc.

DAWN · Brisbane, United States

17 trademarks in the portfolioView company

Representative

Maury M. Tepper, III

Tepper & Eyster, PLLC

Goods and services

What the mark covers

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

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of acceptance of sec. 8 & 15 - e-mailed
  2. Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
  3. Case assigned to post registration paralegal
  4. Teas section 8 & 15 received
  5. Teas change of correspondence received
  6. Attorney/dom.rep.revoked and/or appointed
  7. Teas revoke/app/change addr of atty/dom rep received
  8. Courtesy reminder - sec. 8 (6-yr) e-mailed
  9. Teas change of correspondence received
  10. Attorney/dom.rep.revoked and/or appointed

10 earlier steps on the official record.

Disputes

Oppositions and cancellations

Proceedings recorded against this mark by the USPTO. Reported as recorded, not legal advice.

FAQ

About DAY ONE

Who owns the trademark "DAY ONE"?

The USPTO trademark "DAY ONE" (application 88193220) is owned by Day One Biopharmaceuticals, Inc.

What is the status of "DAY ONE"?

Its status at the USPTO is: registered.

When was "DAY ONE" registered?

It was registered on November 17, 2020.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull DAY ONE 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_019d29f8-9e80-77d7-9a75-93ad41fd8723
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d29f8-9e80-77d7-9a75-93ad41fd8723",
  "object": "trademark",
  "mark_text": "DAY ONE",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "88193220",
  "filing_date": "2018-11-14",
  "nice_classes": [
    42
  ],
  "owners": [
    {
      "name": "DAY ONE BIOPHARMACEUTICALS, INC.",
      "entity_id": "ent_019eb70d-dcad-750c-ae09-14c47ca4aad6"
    }
  ]
}