patentee
B2CEFR level
48/100Rarity: uncommon
TechnicalRegister
The person or entity in whom a granted patent is vested as proprietor.
The patentee sought an injunction restraining the rival's sales.
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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