IANAL, but as I understand it, it's not legal in the UK, EU or California (but it doesn't take much for a company to be able to claim the IP - using a company l

IANAL, but as I understand it, it's not legal in the UK, EU or California (but it doesn't take much for a company to be able to claim the IP - using a company laptop or a company subscription to a journal, for example, would easily push it over the edge)