https://blog.wongcw.com/2023/05/03/%e5%b0%8f%e7%b1%b3%e5%b0%8d%e8%8f%af%e7%82%ba%e4%b8%80%e9%a0%85%e5%b0%88%e5%88%a9%e7%99%bc%e8%b5%b7%e7%84%a1%e6%95%88%e5%ae%a3%e5%91%8a%e8%ab%8b%e6%b1%82/
小米對華為一項專利發起無效宣告請求