Contents of said letter from daily beast: https://archive.is/YFBK3#selection-773.0-779.748
“Dear Jonas,” the president wrote to Norway’s prime minister, Jonas Gahr Støre. “Considering your Country decided not to give me the Nobel Peace Prize for having stopped 8 Wars PLUS, I no longer feel an obligation to think purely of Peace, although it will always be predominant, but can now think about what is good and proper for the United States of America. Denmark cannot protect that land from Russia or China, and why do they have a ‘right of ownership’ anyway? There are no written documents, it’s only that a boat landed there hundreds of years ago, but we had boats landing there, also. I have done more for NATO than any other person since its founding, and now, NATO should do something for the United States. The World is not secure unless we have Complete and Total Control of Greenland. Thank you! President DJT.”


The only thing it would truly affect is Apple; Samsung could offer de-googled phones in the blink of an eye.
Hell, we don’t even make the cellphones or laptops here. China has its own stuff. If a single one of the hardware manufacturers dedicated a couple of months to an open source driver project, we could have Linux phones by EOY.
A lot of the technology inside a phone is still dependent on US patents and/or manufactured parts. It may seem like one country makes this or that, but that’s not actually how it works. If you look online you’ll see the lowest number is around 40 countries for an iPhone.
I feel like if the US can ignore the sovereignty of Denmark, the founding principles of NATO and pretty much the entirety of international law, the rest of us shouldn’t really stress too much about US patents TBH.
US what now? We’re not making any parts. We are, at best, assembling some things; Tealistically, we’re just fucking boxing shit these days. And patents? Once you’re in an actual trade war, who in the hell cares about a country’s IP claims?
You can get a black market iphone in China, not once piece has to pass through the US, the tricky part is getting the apple store and apps if they decide to blacklist your serial number.