| Serial Number | 79441877 |
| Word Mark | NAU·CLEAN |
| Filing Date | Friday, November 28, 2025 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Monday, July 6, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 3 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, July 28, 2026 |
| Pseudo Mark | NAU CLEAN |
| Goods and Services | Descaling preparations for industrial purposes; industrial chemicals; chemical preparations for use in industry; chemicals for industrial purposes; chemicals for use in industry; chemicals used in industry; scale removing preparations, other than for household purposes; detergents for use in manufacturing processes |
| Description of Mark | The mark consists of the stylized wording "NAU·CLEAN" with a "·" connecting "NAU" and "CLEAN". |
| International Class | 001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry. |
| US Class Codes | 001, 005, 006, 010, 026, 046 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, January 22, 2026 |
| Primary Code | 001 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | NAUMADE CO., LTD. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | KR |
| Event Date | Event Description |
| Thursday, January 22, 2026 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Tuesday, January 27, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, January 27, 2026 | APPLICATION FILING RECEIPT MAILED |
| Tuesday, March 31, 2026 | ASSIGNED TO EXAMINER |
| Thursday, April 2, 2026 | NON-FINAL ACTION WRITTEN |
| Friday, April 3, 2026 | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW |
| Thursday, May 21, 2026 | REFUSAL PROCESSED BY MPU |
| Friday, May 22, 2026 | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB |
| Thursday, June 11, 2026 | REFUSAL PROCESSED BY IB |
| Thursday, June 25, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Thursday, June 25, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, June 25, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Friday, June 26, 2026 | ASSIGNED TO EXAMINER |
| Friday, June 26, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, July 8, 2026 | NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB |
| Wednesday, July 8, 2026 | NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB |