USPTO trademark

LEST

Under examinationUSPTOWord markClass 41Class 42

"LEST" is a word mark owned by Vlad Zamfir, filed at the USPTO on December 14, 2021. It is under examination and covers classes 41 and 42.

Get this data via the API
Official USPTO record
LEST trademark as filed
As filed with the USPTO
Status
Under examination
Since October 15, 2025
Filed
December 14, 2021
Registered
Not yet
Expires
Not recorded
Application no.
97172169
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
2 classes
Ownership

Who owns LEST

The owner and representative on file with the office.

Owner

Vlad Zamfir

Castries, Canada

Representative

Jennifer A. Golinveaux

Winston & Strawn LLP

Goods and services

What the mark covers

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

  • Provision of technology information about research and development of new technology and products; Provision of information in the technical fields of governance, management and operations of blockchain, cryptocurrency, websites and other multidisciplinary virtual technologies, services and products

  • Research and development of new technology and products; Research and development of new technologies in the fields of governance, management and operations of blockchain, cryptocurrency, web and other multidisciplinary virtual technologies, services and products; Software-as-a-service (SaaS) services featuring software in the fields of governance, management and operations of blockchain, cryptocurrency, websites and other multidisciplinary virtual technologies, services and products

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Previous allowance count withdrawn
  2. Withdrawn from pub - og review query
  3. Notification of notice of publication e-mailed
  4. Approved for pub - principal register
  5. Teas/email correspondence entered
  6. Correspondence received in law office
  7. Assigned to lie
  8. Teas request for reconsideration received
  9. Application extension granted/receipt provided
  10. Application extension to response period - received

10 earlier steps on the official record.

FAQ

About LEST

Who owns the trademark "LEST"?

The USPTO trademark "LEST" (application 97172169) is owned by Vlad Zamfir.

What is the status of "LEST"?

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 LEST 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_019d29f9-bf87-7108-b0c6-349d8c657585
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d29f9-bf87-7108-b0c6-349d8c657585",
  "object": "trademark",
  "mark_text": "LEST",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "97172169",
  "filing_date": "2021-12-14",
  "nice_classes": [
    41,
    42
  ],
  "owners": [
    {
      "name": "Vlad Zamfir",
      "entity_id": null
    }
  ]
}