USPTO trademark

SIRS

RegisteredUSPTOWord markClass 38Class 41

"SIRS" is a word mark owned by ProQuest LLC, filed at the USPTO on March 12, 2015. It is registered and covers classes 38 and 41.

View ProQuest LLC portfolio Get this data via the API

Data current as of May 8, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since November 24, 2025
Filed: March 12, 2015
Registered: October 13, 2015
Expires: Not recorded
Application no.: 86562113
Registration no.: 4831870
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 2 classes

Ownership

Who owns SIRS

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

Owner

ProQuest LLC

Ann Arbor, United States

227 trademarks in the portfolioView company

Representative

Tsan Abrahamson

Cobalt Llp

Goods and services

What the mark covers

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

38Class 38 · Telecommunications
Transmission and sharing of documents and images among computer users, namely, electronic transmission of documents and images among computer users
41Class 41 · Education and Entertainment
Providing on-line searchable computer databases and on-line searchable databases in the field of education

History

What has happened so far

Steps recorded by the USPTO, newest first.

May 7, 2026Assignment of ownership not updated automatically
November 24, 2025Notice of acceptance of sec. 8 & 9 - e-mailed
November 24, 2025Registered and renewed (first renewal - 10 yrs)
November 24, 2025Registered - sec. 8 (10-yr) accepted/sec. 9 granted
November 24, 2025Case assigned to post registration paralegal
August 12, 2025Teas section 8 & 9 received
April 16, 2025Assignment of ownership not updated automatically
October 13, 2024Courtesy reminder - sec. 8 (10-yr)/sec. 9 e-mailed
June 23, 2022Assignment of ownership not updated automatically
January 5, 2022Assignment of ownership not updated automatically

10 earlier steps on the official record.

FAQ

About SIRS

Who owns the trademark "SIRS"?

The USPTO trademark "SIRS" (application 86562113) is owned by ProQuest LLC.

What is the status of "SIRS"?

Its status at the USPTO is: registered.

When was "SIRS" registered?

It was registered on October 13, 2015.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull SIRS 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_019d2aa8-ccd0-74dc-8540-988de0b9be61
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2aa8-ccd0-74dc-8540-988de0b9be61",
  "object": "trademark",
  "mark_text": "SIRS",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "86562113",
  "filing_date": "2015-03-12",
  "nice_classes": [
    38,
    41
  ],
  "owners": [
    {
      "name": "ProQuest LLC",
      "entity_id": "ent_019fbdeb-b4d1-77fe-a094-e339335fdf22"
    }
  ]
}