You should file a provisional first before even talking with someone. You will have a year to decide whether to file a full utility patent.
回複:自己發明一款新產品,市場空間很不錯,價錢更是有競爭力.請教:是先注冊,然後去開發產品,
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You should file a provisional first before even talking with someone. You will have a year to decide whether to file a full utility patent.