Simple, just follow the international rules. If you haven't registered your patent in a country, you don't have any patent rights there. If a company uses your patent and only sells its products within that country, you have no legal standing whatsoever, regardless of whether that country is China, Japan, South Korea, or even a European country. The same rule applies everywhere.
America the I̶n̶n̶o̶v̶a̶t̶o̶r̶s̶ global thieves.
What country do you live in where stealing doesn't exist?
Also. Before answering please explain to me how patent rights with foreigners work in China.
Simple, just follow the international rules. If you haven't registered your patent in a country, you don't have any patent rights there. If a company uses your patent and only sells its products within that country, you have no legal standing whatsoever, regardless of whether that country is China, Japan, South Korea, or even a European country. The same rule applies everywhere.
I guess these AI firms must've signed stacks and stacks of copyright leases to get where they are.