USPTO trademark

HARDNOX

Opposition periodUSPTOWord markClass 5Class 30Class 32

"HARDNOX" is a word mark owned by Hardnocs, LLC, filed at the USPTO on April 1, 2026. It is in its opposition period and covers classes 5, 30 and 32.

Get this data via the API
Official USPTO record
HARDNOX trademark as filed
As filed with the USPTO
Status
Opposition period
Since September 8, 2026
Filed
April 1, 2026
Registered
Not yet
Expires
Not recorded
Application no.
99739632
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
3 classes
Ownership

Who owns HARDNOX

The owner and representative on file with the office.

Owner

Hardnocs, LLC

Plainview, United States

Representative

Sean Grygiel

Raines Feldman Littrell, LLP

Goods and services

What the mark covers

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

  • Nutritional supplements; Nutritional and dietary supplements formed and packaged as bars; Liquid nutritional supplement; Dietary and nutritional supplements containing protein; Powdered nutritional supplement drink mix and concentrate; Beverages containing protein for use as a nutritional supplement; Protein supplements; Liquid protein supplements; Protein dietary supplements; Protein supplements formed and packaged as bars; Protein dietary supplements formed and packaged as bars

  • High-protein cereal bars; Cereal based energy bars; Cereal bars also containing Protein; Chocolate-based ready-to-eat food bars; Ice cream; Ice cream bars

  • Protein-enriched sports beverages; Protein-enriched water beverages; Flavored protein-enriched water beverages; Energy drinks enhanced with protein

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Official gazette publication confirmation e-mailed
  2. Published for opposition
  3. Notification of notice of publication e-mailed
  4. Approved for pub - principal register
  5. Assigned to examiner
  6. New application office supplied data entered
  7. Application filing receipt mailed
  8. New application entered
FAQ

About HARDNOX

Who owns the trademark "HARDNOX"?

The USPTO trademark "HARDNOX" (application 99739632) is owned by Hardnocs, LLC.

What is the status of "HARDNOX"?

Its status at the USPTO is: opposition period.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull HARDNOX 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_019d560e-6622-7031-a95d-236f9dff78aa
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d560e-6622-7031-a95d-236f9dff78aa",
  "object": "trademark",
  "mark_text": "HARDNOX",
  "status": {
    "primary": "pending",
    "stage": "pending_opposition"
  },
  "office_code": "US",
  "application_number": "99739632",
  "filing_date": "2026-04-01",
  "nice_classes": [
    5,
    30,
    32
  ],
  "owners": [
    {
      "name": "Hardnocs, LLC",
      "entity_id": null
    }
  ]
}