原文：Recent years have seen a sharp rise in the number of companies acquiring business model patents.
译文：近些年见证了获取经营模式专利权的企业数量的激增。

原文：Recent years have seen a sharp rise in the number of companies acquiring business model patents.
译文：近些年见证了获取经营模式专利权的企业数量的激增。

修改：近年来，获取经营模式专利权的企业数量一直在激增。