Ok, I've read it twice. I'm not sure I understand the argument. It reads like the argument is "This technology helps handicapped people so you shouldn't allow it to be patented." Is that a reasonable argument? PRC seems to have a valid patent, they sell a device the people in the article could use, Speak For Yourself infringed without a license and they are the good guys why? The patent argument would go, "PRC figure…
clicking glyphs on a screen and having a device speak the words the glyphs represent is patent worthy? It's a perfect parallel to ASL. And there's enough social utility that we should help companies gouge parents $8k a pop [1] instead of $400 ipad + $unknown for software? [1] http://store.prentrom.com/
I wouldn't think so, this patent is #5,920,303 which relates to a way of making is easy and efficient to access a large vocabulary from a screen with limited space. Reading through the patent just now I wouldn't say it is particularly obvious that this would be the best way to go about things. Its got about 5 years left in its lifetime.
Is it possible the folks at SfY saw one of PRC's devices and say "Hey would could code that up in an App!" and didn't check to see if it was patented? I don't know, just reading and wondering.