That's correct yes, if AMD is bought then the cross-licensing deals terminate in both directions - i.e. Intel also lose access to the AMD patents.
It's a poison pill which means Intel themselves would be the only serious buyer.
It's a poison pill which means Intel themselves would be the only serious buyer.
[1] https://www.trustedreviews.com/news/amd-reveals-its-ready-to...
Which market regulators would never allow. This is even bigger in terms of monopoly than Nvidia trying to buy arm.