noun
trademark infringement
Legal term referring to the unauthorized use of a registered trademark.
商標権侵害で訴えられた。
They were sued for trademark infringement.
商標権侵害にあたるかどうか弁護士に相談した。
I consulted a lawyer about whether it constitutes trademark infringement.
Compound of 商標 (trademark) + 権 (right) + 侵害 (infringement).