Tagged Questions

US patent class 707: data processing: database and file management or data structures

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2
votes
1answer
183 views

Is this patent US6323569 B1 still valid? Valid till? End date?

I would like to know is patent "US6323569 B1" still valid? its end date? Thank you!
3
votes
2answers
169 views

Why did IBM buy patent (6,904,428) about an “intranet mediator”?

From what I see, US patent 6,904,428 (by the Illinois Institute of Technology) is a search algorithm process. Any ideas why IBM thought they needed it? An intranet mediator for obtaining direct ...
2
votes
1answer
80 views

How does this patent affect digital downloads of multimedia at sites like Dropcards.com?

How does patent application US20100325182 affect dropcards.com and similar websites that allow users to send in their media and artwork then furnish the users with unique cards? Users hand out the ...
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 ...
4
votes
2answers
397 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, ...
8
votes
3answers
360 views

Prior art for Apple's “unified search” patent

US patent 8,086,604 is the one Apple used to temporarily get sales of Samsung's Galaxy Nexus blocked. It covers using a single UI to search multiple data sources, including both local and remote ...
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
359 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 ...
8
votes
7answers
479 views

Prior Art for using objects to access database

DataTern has Patent No. 5,937,402 on using objects to access a relational database. The patent was issued in 1999, and obviously people were using objects to access databases since the 80's. ...
9
votes
3answers
839 views

Prior art for SEO

Patent Application #20120016857 appears to be for Search Engine Optimisation (SEO). Here is its claim 1: A computer-readable medium comprising computer-readable instructions for providing search ...
13
votes
3answers
559 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: ...