USPTO trademark

CIRRUS

RegisteredUSPTOWord markClass 9Class 40Class 42

"CIRRUS" is a word mark owned by Cirrus Logic, Inc., filed at the USPTO on October 23, 1996. It is registered and covers classes 9, 40 and 42.

View Cirrus Logic, Inc. portfolio Get this data via the API

Data current as of May 4, 2022Official USPTO record

As filed with the USPTO

Status: Registered; Since December 8, 2017
Filed: October 23, 1996
Registered: November 11, 1997
Expires: Not recorded
Application no.: 75185998
Registration no.: 2112161
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 3 classes

Ownership

Who owns CIRRUS

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

Owner

Cirrus Logic, Inc.

CRUS · Austin, United States

126 trademarks in the portfolioView company

Representative

Christopher M. Kindel

Pirkey Barber PLLC

Goods and services

What the mark covers

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

09Class 9 · Computers and Scientific Devices
integrated circuits and computer software for support of integrated circuits
40Class 40 · Treatment of Materials
[ custom manufacture of integrated circuits ]
42Class 42 · Computer and Scientific Services
[ designing of integrated circuits ]

History

What has happened so far

Steps recorded by the USPTO, newest first.

May 4, 2022Teas change of correspondence received
May 4, 2022Attorney/dom.rep.revoked and/or appointed
May 4, 2022Teas revoke/app/change addr of atty/dom rep received
October 9, 2020Applicant/correspondence changes (non-responsive) entered
October 9, 2020Teas change of correspondence received
October 9, 2020Attorney/dom.rep.revoked and/or appointed
October 9, 2020Teas revoke/app/change addr of atty/dom rep received
October 9, 2020Teas change of owner address received
September 29, 2020Applicant/correspondence changes (non-responsive) entered
September 29, 2020Teas change of correspondence 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.

opposition91301950OtherSeptember 24, 2025

FAQ

About CIRRUS

Who owns the trademark "CIRRUS"?

The USPTO trademark "CIRRUS" (application 75185998) is owned by Cirrus Logic, Inc.

What is the status of "CIRRUS"?

Its status at the USPTO is: registered.

When was "CIRRUS" registered?

It was registered on November 11, 1997.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull CIRRUS 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_019d1bb6-f5ff-740d-afdc-43f51b6662d8
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d1bb6-f5ff-740d-afdc-43f51b6662d8",
  "object": "trademark",
  "mark_text": "CIRRUS",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "75185998",
  "filing_date": "1996-10-23",
  "nice_classes": [
    9,
    40,
    42
  ],
  "owners": [
    {
      "name": "CIRRUS LOGIC, INC.",
      "entity_id": "ent_019eb6fb-1250-7305-a800-2f8e60bb6468"
    }
  ]
}