As I understand it, NeXT (and now Apple) actually has a patent on KVC and O-R mapping ...

I recall an O-R product (in fact an O-R company) as early as 1985. Can't remember the name of the company but they weren't alone and this should not be a surprise, given the importance/prevelance of databases and the emergence of object-oriented languages.

I'm sure you can find the elements of KVC in Smalltalk -- therefore, I expect someone somewhere built the same/similar mechanisms on Smalltalk and therefore I expect there is prior art on any broad claims for the novelty of KVC.

Patents aren't for suing, usually, and I can't imagine Apple suing over these ones (they're virtually irrelevant to its business).

        Tom

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