patent retrieval的用法和樣例：
例句
- They also provided links of patent searches to ensure the patentability of your inventions.
網站也提供了專利檢索的鏈接，使你通過檢索確信自己的發明符合專利申請條件。 - Where such person requests for a search report on a utility model patent,he shall submit a request,indicating the patent number of the said patent for utility model.
請求作出實用新型專利檢索報告的，應當提交請求書，並指明實用新型專利的專利號。
