Hu Weiwu, one of the Godson developers, said to the People's Daily that it was totally inappropriate to charge the Chinese Academy of Sciences with intellectual property infringement.
Analyst firm In-Stat had said that the chip was 95 per cent compatible with MIPS products, but Hu used an interesting argument to resist the suggestion.More details at The Inquirer
The Daily quoted him as saying MIPS and the CAS built two different flats with two bedrooms each facing in the same direction. That didn't mean one building was copying another.
He added that many well known brands had 95 per cent similarity, and MIPS "repertoire" has 12 "unaligned" memory access instructions.