KOSS Trademark
Trademark Overview
On Friday, August 12, 2016, a trademark application was filed for KOSS with the United States Patent and Trademark Office. The USPTO has given the KOSS trademark a serial number of 87136877. The federal status of this trademark filing is REGISTERED AND RENEWED as of Thursday, May 28, 2026. This trademark is owned by Koss Corporation. The KOSS trademark is filed in the Computer & Software Products & Electrical & Scientific Products category with the following description:
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 ]
General Information
| Serial Number | 87136877 |
| Word Mark | KOSS |
| Filing Date | Friday, August 12, 2016 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Thursday, May 28, 2026 |
| Registration Number | 5165967 |
| Registration Date | Tuesday, March 21, 2017 |
| Mark Drawing | 3 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, January 3, 2017 |
Trademark Statements
| Indication of Colors claimed | Color is not claimed as a feature of the mark. |
| Description of Mark | The mark consists of a headphones design to the left of the stylized word "KOSS". |
| Goods and Services | 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 ] |
Classification Information
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, August 18, 2016 |
| Primary Code | 009 |
| First Use Anywhere Date | Wednesday, April 1, 1970 |
| First Use In Commerce Date | Wednesday, April 1, 1970 |
Trademark Owner History
| Party Name | Koss Corporation |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Milwaukee, WI 532121052
US |
| Party Name | Koss Corporation |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Milwaukee, WI 532121052
US |
| Party Name | Koss Corporation |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Milwaukee, WI 532121052
US |
Trademark Events
| Event Date | Event Description |
| Tuesday, August 16, 2016 | NEW APPLICATION ENTERED |
| Thursday, August 18, 2016 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, August 19, 2016 | NOTICE OF DESIGN SEARCH CODE E-MAILED |
| Thursday, November 24, 2016 | ASSIGNED TO EXAMINER |
| Thursday, November 24, 2016 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, December 14, 2016 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, January 3, 2017 | PUBLISHED FOR OPPOSITION |
| Tuesday, January 3, 2017 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, March 21, 2017 | REGISTERED-PRINCIPAL REGISTER |
| Monday, March 21, 2022 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Thursday, March 16, 2023 | TEAS SECTION 8 & 15 RECEIVED |
| Monday, September 18, 2023 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Monday, September 18, 2023 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Monday, September 18, 2023 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |
| Saturday, March 21, 2026 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Monday, March 23, 2026 | TEAS SECTION 8 & 9 RECEIVED |
| Thursday, May 28, 2026 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Thursday, May 28, 2026 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Thursday, May 28, 2026 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Thursday, May 28, 2026 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
