Why INTEL didn’t sue Zhaoxin?

Zhaoxin acquired via, and Via obtained legal authorization. According to international computer-related legal regulations, invention patent protection for company organizational forms is only for 50 years. x86 protection will expire in 2028 (1978), and windos system protection will expire in 2035 (1985). There are still antitrust laws in Europe. If only Intel is left, it will face huge fines from various governments.