36
votes
9answers
3k views

Prior art for linked list (secondary and tertiary traversal)?

This is the first I've heard of this patent for linked lists and traversals filed in 2002. Note that the claim is not a patent on a linked list itself (discussion on Hacker News), but apparently on a ...
4
votes
2answers
664 views

Are data structures patentable?

US7028023 seems to be a patent for a data structure (a variation on a linked list with an extra pointer to the item after the next item). Are data structures generally considered patentable, if so, ...