When did Larry Walters apply for patent for his BirthDateVerifier™??
I searched the patent database, and couldn't find anything related to this. I also searched the trademark database, and didn't see an application for BirthDateVerifier either.
We used something very similar back in early 1997 on a few of our websites. My attorney put the verbage together for us, and we had both the pull down birthdate fields, and the "digital signature". You can still see it using the "WayBackMachine".
I know that we weren't the only ones doing it, I remember a number of sites doing similar things when the first CDA came around.
PureEdge Solutions Inc. of Victoria BC also employed a very similar system for it's clients. PureEdge is a leader in Digital Signature systems, and do have patents pending in that area. (My old technical manager, "Glitch", ended up as the VP of Programming for them, so I heard all about it)
There has been a lot of talk of "Prior Art" with the Acacia case. There seems to be a lot of Prior Art related to Walters system.
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10-26-2003
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