29
votes
6answers
2k 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 ...
3
votes
1answer
132 views

US 2012/0254255: automatic diary

I've been looking for prior art for a Samsung patent application KR 10-2011-0029154, published as US 2012/0254255, priority date 2011-03-31. Just 2 hits off the first 10 for a google search on ...
9
votes
4answers
352 views

Patent on comparing two values which are put through a hash function to determine if the same

I came across this patent titled “Similarity-based access control of data in a data processing system” (priority date: 1995-04-11). Abstract: Similarity of data items is determined by analyzing ...
13
votes
3answers
556 views

Prior art for a simple versioning system on a document database

US Patent Application US20120226658: Data model versioning for document databases Claim #1 describes an extremely simple versioning system for a document database: A method, comprising: ...