Owner review 21 — rulings (2026-10-14)

Status: Active · Date: 2026-10-14 · The owner chose the name: "Let's do Dabusi!!!" Earlier they had said: "Once we have decided on the name, we will then search for domains and run checks." This round ran those checks. Evidence: deep trademark clearance, meaning and perception, web and registration. Companion: review-20 rulings.

The name

Dabusi / 다붓이, pronounced [다부시]. The official senses (표준국어대사전, 우리말샘):

• 다붓이: "붙어 있는 정도가 매우 가깝게", close together.
• 다붓하다: "매우 가깝게 붙어 있다", and "조용하고 호젓하다".

Review 20's gloss is corrected to these words; use the official wording in anything published. The Latin spelling stays Dabusi, the Revised Romanization. Dabushi would pull readers towards "bush" and Japanese ushi.

Verdict: clear to proceed to a 변리사 filing

Check	Result
Trademarks, Korea	No live mark for 다붓이, 다붓하다, 다부시, 다부지, 따부시, 타부시 or 다붓이네 in any of the seven classes (9, 35, 36, 38, 41, 42, 45). KIPRIS was read to the last page on every query (415 applications in all). 다붓이 is distinctive in every class
Trademarks, US and EU	Nothing for DABUSI, DABUSHI, DABOOSI, DABUSY or DABUZI at the USPTO or in TMview. Nearby marks are unrelated (DABUSH for restaurants and toys; IDABUS). Under the US foreign-equivalents doctrine, "snug" does not describe a tennis-club app
Meaning	Clear in Korean. Most readers hear 오붓이; 다부지다 ("sturdy") is a bonus. Only mild echoes elsewhere: Arabic dabbūs (a pin or mace), Malay and Indonesian debus (a ritual of invulnerability), Chinese 打不死 ("can't be knocked down"), Japanese ダブ, and English "abuse" as a visual echo only. It is said da-BOO-see
Domains	Free: dabusi.app (about $9), .io, .co, .kr, .co.kr, .club, .tennis, .team, .ai, .so, .gg, .me, getdabusi.com, dabusiapp.com, joindabusi.com, and the Korean 다붓이.com and 다붓이.kr. Taken: dabusi.com, a live Chinese anti-DDoS brand, 打不死, not for sale; and dabusi.net
Handles	@dabusiapp is free everywhere it could be read. The bare dabusi is taken on YouTube, TikTok, GitHub and Naver Cafe. Instagram, Threads, Facebook, Kakao Channel and Band could not be read by script; check them in the apps
Stores	No Dabusi or 다붓이 app on the App Store (US, KR, JP) or Google Play

Two risks, and why filing soon matters

1. 다붓, a Korean messenger app, already exists. 주식회사 다붓컴퍼니 holds other marks ("Run Off") in exactly our classes: 9, 35, 36, 38 and 42. It has not filed 다붓. Korea grants a mark to whoever files first, and 다붓 against 다붓이 would likely be judged similar in sound. If that company files 다붓 before we file 다붓이, ours could be refused. File 다붓이 at KIPO soon.
2. A pending 다붓 for pet leashes (class 18, filed 2026-08-26). The goods are unrelated, but the 변리사 should watch it.

Also worth knowing:

• DABUS is the AI "inventor" in the Thaler patent cases. It is not a trademark, but it makes IP search results noisy.
• Before any push into China, a native speaker should check the Chinese 打不死 echo and the .com holder.

The filing plan

• Classes: 9 (apps), 35 (club administration), 36 (dues collection), 38 (messaging), 41 (sports clubs and events), 42 (SaaS) and 45 (social networking). If the budget binds, drop 45, then 36, then 38.
• KIPO first: KRW 52,000 per class to file (electronic) and KRW 201,000 per class to register, so about KRW 1.77M in official fees for seven classes.
• Then the Madrid Protocol within the six-month priority window. The basic fee is CHF 653, plus the individual fees: the US about CHF 530 per class, Japan about CHF 211. The EU fee is not verified. Confirm every fee before budgeting.
• The 변리사's checklist (in the trademark document) includes:
  • the sound search (칭호);
  • WIPO's Global Brand Database and Madrid Monitor (unreachable by script);
  • the 다붓 messenger question.

Register today (yours to do; nothing was bought or registered)

1. dabusi.app.
2. getdabusi.com, plus dabusiapp.com and joindabusi.com if the budget allows.
3. @dabusiapp on every platform, on the same day. Check Instagram, Threads and Kakao by hand.
4. An App Store Connect app record named Dabusi, with 다붓이 as the Korean name. This reserves the name; it costs $99 a year if there is no Apple developer account yet.
5. A free Kakao Channel.
6. .kr, .co.kr and .co, as cheap defences.

The core set costs about $47 in the first year, plus Apple's fee.

The story line

The lead line: "다붓이 모여, 두 개 더 / Close together, two more." 두 개 더 lives on as a line in the app's voice, not as the name. Explain the word ("다붓이: 가까이 모여") in onboarding only.

What changes next, and what waits

• Done now: the brand board's name section shows the choice, with the runners-up for reference.
• Next design work: the marks were drawn for 투 and 두 개 더. A new mark brief and new proposals for Dabusi follow.
• Waits for the 변리사 clearance: renaming the app in code (display name, i18n, web metadata, share templates). The bundle IDs never change.

Open for you

1. Engage a 변리사 to file 다붓이 at KIPO soon, given the 다붓 messenger.
2. Register the core set listed above.
3. 두 개 더 as the secondary line? Recommended.
4. Start the new mark proposals for Dabusi?