USPTO trademark

KOSS

RegisteredUSPTOWord and designClass 9

"KOSS" is a word and design mark owned by Koss Corporation, filed at the USPTO on August 12, 2016. It is registered and covers class 9 (Computers and Scientific Devices).

View Koss Corporation portfolioGet this data via the API
Official USPTO record
KOSS trademark as filed
As filed with the USPTO
Status
Registered
Since May 28, 2026
Filed
August 12, 2016
Registered
March 21, 2017
Expires
Not recorded
Application no.
87136877
Registration no.
5165967
Office
USPTO
United States Patent and Trademark Office
Mark type
Word and design
1 class
Ownership

Who owns KOSS

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

Owner

Koss Corporation

KOSS · Milwaukee, United States

127 trademarks in the portfolioView company

Representative

Sana Hakim

K&L Gates LLP

Goods and services

What the mark covers

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

  • Headphones; headphones for receiving audio data wirelessly; headphone accessories, namely, headphone cushions, headphone pads, cord management systems, adapter plugs, audio cables, headphone cases, and earphone extension cords; wireless transmitters; telephone headsets [ ; loudspeakers ]

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of acceptance of sec. 8 & 9 - e-mailed
  2. Registered and renewed (first renewal - 10 yrs)
  3. Registered - sec. 8 (10-yr) accepted/sec. 9 granted
  4. Case assigned to post registration paralegal
  5. Teas section 8 & 9 received
  6. Courtesy reminder - sec. 8 (10-yr)/sec. 9 e-mailed
  7. Notice of acceptance of sec. 8 & 15 - e-mailed
  8. Registered - sec. 8 (6-yr) accepted & sec. 15 ack.
  9. Case assigned to post registration paralegal
  10. Teas section 8 & 15 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.

FAQ

About KOSS

Who owns the trademark "KOSS"?

The USPTO trademark "KOSS" (application 87136877) is owned by Koss Corporation.

What is the status of "KOSS"?

Its status at the USPTO is: registered.

When was "KOSS" registered?

It was registered on March 21, 2017.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull KOSS 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_019d2950-df86-76bf-b528-117d35fe8c55
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2950-df86-76bf-b528-117d35fe8c55",
  "object": "trademark",
  "mark_text": "KOSS",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "87136877",
  "filing_date": "2016-08-12",
  "nice_classes": [
    9
  ],
  "owners": [
    {
      "name": "Koss Corporation",
      "entity_id": "ent_019ebc07-3105-754a-9550-f65254b6970b"
    }
  ]
}