product patent

例句：

1. 1. The company applied for a productpatent to protect its new technology.
   该公司申请了一项产品专利以保护其新技术。
2. 2.The patent expires in two years, and the owner can no longer useit.
   专利有效期为两年，持有者不能再使用它。
3. 3. Thepatented product is protectedby copyright law, which meansthat anyone who copies it without permissionis breaking the law.
   受版权法保护的专利产品意味着未经授权复制它是违法的。