[Hippocrates]

They rattle off a bunch of other "physiological parameters" like glucose, hemoglobin and "other". I wonder how many of these have been demonstrated via their technology vs. are theoretically possible (patent trolling)? I could be wrong but I thought non-invasive blood glucose has not been cracked yet, yet seems to be covered by the patent.

Also curious as these appear to be dated in 2021 but the Apple Watch 6 with pulse oximeter came out in 2020. Unless there is something different about the "latest" watches.

[kube-system]

Patents on things that can exist but don't work well are valid. If they're unsafe, inaccurate, unreliable, etc, that's a problem for commercial viability, but not an issue for getting a patent.

[Hippocrates]

Yeah I was just looking into this and apparently you can even patent things that don't work at all, but may be asked for a working model at some point in the future. Thats surprising, because I could easily see the sense in patenting slightly futuristic ideas with a plausible mechanism and then scrambling to create a model if and when it becomes economically enticing.