honest concurrent use
C2CEFR level
95/100Rarity: very rare
TechnicalRegister
A basis for registering a mark despite an earlier similar one where both parties have adopted it in good faith side by side.
Two firms used the name for years unaware of each other, so honest concurrent use may let both registrations stand.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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