- Patent application: 2024-08-22
- Notice of preliminary rejection: 2025-10-30
- Amendment and written argument: 2026-02-28
- Decision to grant: 2026-05-05
- Registration: 2026-05-07
- Title of invention: Waterproofing method for stainless steel hot water tank
[Note] This case was registered after we responded to the notice of preliminary rejection.
LNB IP Law Firm