Someone has seen how the 'merkins use patents and thinks we can catch up:
1. Award patents willy-nilly to any US company who fills in a form (e.g. NTP).
2. Make it cripplingly hard, expensive and slow to challenge a patent. Especially for a non-US company (e.g. RIM).
3. Enforce patents worldwide through the WTO.
4. Enforce patents in the US with draconian sanctions up to and including a total ban on doing business in the US.
We're a smaller country, coming from way behind in the dodgy-patent stakes, and with an economy that $bigco could afford to be locked out of while a patent was challenged, if the worst came to the worst. What could possibly go wrong with US-style economic imperialism?