USPTO trademark

LF

RegisteredUSPTOWord and designClass 28

"LF" is a word and design mark owned by Life Fitness, LLC, filed at the USPTO on April 25, 2024. It is registered and covers class 28 (Toys and Sporting Goods).

View Life Fitness, LLC portfolioGet this data via the API
Official USPTO record
LF trademark as filed
As filed with the USPTO
Status
Registered
Since January 21, 2025
Filed
April 25, 2024
Registered
January 21, 2025
Expires
Not recorded
Application no.
98519580
Registration no.
7662509
Office
USPTO
United States Patent and Trademark Office
Mark type
Word and design
1 class
Ownership

Who owns LF

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

Owner

Life Fitness, LLC

BC · Rosemont, United States

42 trademarks in the portfolioView company

Representative

Christopher R. Liro

Andrus Intellectual Property Law, LLP

Goods and services

What the mark covers

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

  • Exercise equipment, namely stationary exercise cycles, rowing machines, weight machines, exercise treadmills, elliptical trainers, cross trainers, and aerobic step machines

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Teas change of correspondence received
  2. Attorney/dom.rep.revoked and/or appointed
  3. Teas revoke/app/change addr of atty/dom rep received
  4. Applicant/correspondence changes (non-responsive) entered
  5. Teas change of owner address received
  6. Notice of registration confirmation emailed
  7. Registered-principal register
  8. Official gazette publication confirmation e-mailed
  9. Published for opposition
  10. Notification of notice of publication e-mailed

5 earlier steps on the official record.

FAQ

About LF

Who owns the trademark "LF"?

The USPTO trademark "LF" (application 98519580) is owned by Life Fitness, LLC.

What is the status of "LF"?

Its status at the USPTO is: registered.

When was "LF" registered?

It was registered on January 21, 2025.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull LF 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_019d2cd6-7238-7021-8837-e5bbc2d22ab7
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2cd6-7238-7021-8837-e5bbc2d22ab7",
  "object": "trademark",
  "mark_text": "LF",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "98519580",
  "filing_date": "2024-04-25",
  "nice_classes": [
    28
  ],
  "owners": [
    {
      "name": "Life Fitness, LLC",
      "entity_id": "ent_019eb6fb-f490-7528-9cb8-a2c086b96f13"
    }
  ]
}