Unless you're Norwood Systems when you carefully protect your work with numerous patents leading up to ASX listing then don't bother protecting anything ever again.
Of course we don't know why that is, just that it is.
May mean nothing, or something important. Anyway the real value in Norwood is having the tech (tick) and being a first mover, selling the tech to all and sundry then staying on top of the pile (cross).
NOR Price at posting:
4.3¢ Sentiment: Sell Disclosure: Not Held
