Ron99,
I've been searching for something else on the Canadian patent site tonight, so it's kind of funny this topic is being discussed.
It doesn't appear that there are any patents or patent applications in Canada. You can search the Canadian patent database for current patents and for applications.
I'm also an owner of a Solaris system and I can attest to the fact that SPS has done well in my tank. However (answering another thread), being in the industry has kind of made me slip on my maintenance on my tank so the SPS are longer with me. I've settled for much more forgiving corals since my care for my tank is rather spotty (much like the kids of a cobbler having crappy shoes).
I agree that the US patent was rather sketchy at best as there didn't appear to be a whole lot of research put into the approval to see what technology was already in the public domain.
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