USPTO trademark

X

RegisteredUSPTOWord and designClass 42

"X" is a word and design mark owned by X Development LLC, filed at the USPTO on February 11, 2016. It is registered and covers class 42 (Computer and Scientific Services).

View X Development LLC portfolio Get this data via the API

Data current as of February 13, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since April 13, 2023
Filed: February 11, 2016
Registered: October 4, 2016
Priority date: November 20, 2015; Claimed from Trinidad & Tobago
Application no.: 86905491
Registration no.: 5053558
Office: USPTO; United States Patent and Trademark Office
Mark type: Word and design; 1 class

Ownership

Who owns X

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

Owner

X Development LLC

Mountain View, United States

77 trademarks in the portfolioView company

Representative

Fabricio Vayra

Morgan, Lewis & Bockius LLP

Goods and services

What the mark covers

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

42Class 42 · Computer and Scientific Services
Research and development of new products; providing a website that features information on research and product development; design and testing for new product development

History

What has happened so far

Steps recorded by the USPTO, newest first.

October 4, 2025Courtesy reminder - sec. 8 (10-yr)/sec. 9 e-mailed
April 21, 2025Teas change of correspondence received
April 21, 2025Attorney/dom.rep.revoked and/or appointed
April 21, 2025Teas revoke/app/change addr of atty/dom rep received
April 21, 2025Applicant/correspondence changes (non-responsive) entered
April 21, 2025Teas change of owner address received
April 13, 2023Notice of acceptance of sec. 8 & 15 - e-mailed
April 13, 2023Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
April 13, 2023Case assigned to post registration paralegal
October 3, 2022Teas section 8 & 15 received

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.

opposition91292119OtherJune 17, 2024

FAQ

About X

Who owns the trademark "X"?

The USPTO trademark "X" (application 86905491) is owned by X Development LLC.

What is the status of "X"?

Its status at the USPTO is: registered.

When was "X" registered?

It was registered on October 4, 2016.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull X 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 key View docs

GET /v1/trademarks/{id}

ID=tm_019d28ed-f969-7192-8fa1-9b0290b78164
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d28ed-f969-7192-8fa1-9b0290b78164",
  "object": "trademark",
  "mark_text": "X",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "86905491",
  "filing_date": "2016-02-11",
  "nice_classes": [
    42
  ],
  "owners": [
    {
      "name": "X DEVELOPMENT LLC",
      "entity_id": "ent_019eb7d2-2acb-772b-921e-de089a5700af"
    }
  ]
}