Others are longer-term holders, pejoratively referred to as "patent trolls", who are looking for an income stream from collecting royalties.
另一些被轻蔑地称为“专利流氓”的买家会将买来的专利持有较长时间，以获取持续的专利费收入。
Others are longer-term holders, pejoratively referred to as "patent trolls", who are looking for an income stream from collecting royalties.
另一些被轻蔑地称为“专利流氓”的买家会将买来的专利持有较长时间，以获取持续的专利费收入。
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