In short, the sale of a product does not allow you to control what is done with the product afterwards through patent law. I'm assuming this is almost similar to attempts to use copyright law to stop the sale of products on the grey market. http://www.bipc.com/court-rebuffs-attempt-to-use-copyright-l... I do wonder though, if they changed the underlying software on the cartridges they would get into trouble. I do not…
Interesting that even with importation fees, it was cheaper for Costco to import watches.
https://en.wikipedia.org/wiki/Market_segmentation#Geographic...
https://en.wikipedia.org/wiki/Price_discrimination#Internati...