USPTO trademark

HARD WATER HERO

RegisteredUSPTOWord markClass 1Class 5

"HARD WATER HERO" is a word mark owned by Necternal, LLC, filed at the USPTO on May 5, 2025. It is registered and covers classes 1 and 5.

Get this data via the API

Data current as of January 13, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since January 13, 2026
Filed: May 5, 2025
Registered: January 13, 2026
Expires: Not recorded
Application no.: 99170385
Registration no.: 8100241
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 2 classes

Ownership

Who owns HARD WATER HERO

The owner and representative on file with the office.

Owner

Necternal, LLC

Idaho Falls, United States

Representative

Paul Evans

Parsons Behle & Latimer

Goods and services

What the mark covers

The products and services HARD WATER HERO is filed for, grouped by Nice class.

01Class 1 · Chemicals
Biodegradable waste digestant for use in septic systems
05Class 5 · Pharmaceuticals
Cleaning preparations, namely, odor eliminators not for personal use

History

What has happened so far

Steps recorded by the USPTO, newest first.

January 13, 2026Notice of registration confirmation emailed
January 13, 2026Registered-principal register
November 25, 2025Official gazette publication confirmation e-mailed
November 25, 2025Published for opposition
November 19, 2025Notification of notice of publication e-mailed
October 23, 2025Approved for pub - principal register
October 14, 2025Teas/email correspondence entered
October 10, 2025Correspondence received in law office
October 10, 2025Teas response to office action received
September 24, 2025Notification of non-final action e-mailed

6 earlier steps on the official record.

FAQ

About HARD WATER HERO

Who owns the trademark "HARD WATER HERO"?

The USPTO trademark "HARD WATER HERO" (application 99170385) is owned by Necternal, LLC.

What is the status of "HARD WATER HERO"?

Its status at the USPTO is: registered.

When was "HARD WATER HERO" registered?

It was registered on January 13, 2026.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull HARD WATER HERO 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_019d2abf-4a6a-769d-9e7e-960e4af6d560
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2abf-4a6a-769d-9e7e-960e4af6d560",
  "object": "trademark",
  "mark_text": "HARD WATER HERO",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "99170385",
  "filing_date": "2025-05-05",
  "nice_classes": [
    1,
    5
  ],
  "owners": [
    {
      "name": "Necternal, LLC",
      "entity_id": null
    }
  ]
}