USPTO trademark

PLENUM

Under examinationUSPTOWord markClass 42

"PLENUM" is a word mark owned by Plenum Inc., filed at the USPTO on January 9, 2026. It is under examination and covers class 42 (Computer and Scientific Services).

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Official USPTO record
PLENUM trademark as filed
As filed with the USPTO
Status
Under examination
Since July 28, 2026
Filed
January 9, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99587151
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns PLENUM

The owner and representative on file with the office.

Owner

Plenum Inc.

Denver, United States

Representative

Timothy Alan Duffy

Law Office of Timothy A. Duffy, P.C.

Goods and services

What the mark covers

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

  • Software as a service (SAAS) services featuring software for scheduling appointments, generating estimates of charges, for booking appointments, for providing users the ability to purchase equipment, for generating invoices, and for tracking payments; the aforementioned services provided in the field of HVAC systems, field of plumbing, and field of electrical installations, maintenance, and repairs

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Withdrawn from pub - og review query
  2. Approved for pub - principal register
  3. Notification of examiners amendment e-mailed
  4. Examiner's amendment entered
  5. Examiners amendment e-mailed
  6. Examiners amendment -written
  7. Teas/email correspondence entered
  8. Correspondence received in law office
  9. Teas response to office action received
  10. Notification of non-final action e-mailed

6 earlier steps on the official record.

FAQ

About PLENUM

Who owns the trademark "PLENUM"?

The USPTO trademark "PLENUM" (application 99587151) is owned by Plenum Inc.

What is the status of "PLENUM"?

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 PLENUM 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_019d2b86-d737-77e0-aae5-e6647043d002
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2b86-d737-77e0-aae5-e6647043d002",
  "object": "trademark",
  "mark_text": "PLENUM",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "99587151",
  "filing_date": "2026-01-09",
  "nice_classes": [
    42
  ],
  "owners": [
    {
      "name": "Plenum Inc.",
      "entity_id": null
    }
  ]
}