From: beowulf-boun...@beowulf.org [mailto:beowulf-boun...@beowulf.org] On 
Behalf Of Jeremy Baker
Sent: Tuesday, September 22, 2009 12:02 PM
To: beowulf@beowulf.org
Subject: [Beowulf] How do I work around this patent?

I joined this community many years ago to learn about GRID computing when I was 
studying biology and the Linux file system, with future goals to write 
interesting open source programs. It's the future and I just hit a wall in the 
design process of writing code for my study.  This problem is related to the 
boring world of business and IP patents. I like patents, but lately I wonder... 

RE: "...Worlds.com filed a lawsuit Dec. 24 against NCSoft in the U.S. District 
Court for the Eastern District of Texas, Tyler Division, for violating patent 
7181690. The patent is described as a method for enabling users to interact in 
a virtual space through avatars."

Online read on patents:
http://www.google.com/patents?id=wv5-AAAAEBAJ&dq=7,181,690

http://www.google.com/patents/about?id=BYoGAAAAEBAJ&dq=6,219,045

Can someone help me to better understand how these patents interact with the 
open source bazaar method of programing, Linux, the law, GIS systems with meta 
data that is essentially 3-D access for a user's avatar, etc? I am having flow 
chart issues that are not flowing... and I am now back to the world of research 
(patents) when I would rather be writing and compiling software.



---

First off, you should know that only the claims determine what the patent 
covers.  The rest of the patent is just useful information.  You need to decide 
if your application "reads on" the claims.  Hiring a patent attorney used to 
doing this kind of analysis is useful.. a few hundred bucks  well spent.  Note 
there's a hierarchy of claims here.. Claim 1 is a big claim, and then, 
2,3,4,and 5 hang on Claim 1. 

Glancing through the claims, it looks like they are patenting a scheme very 
much like described in Michael Crichton's "Disclosure", especially with avatars 
for other users.  Or any of a number of other multi user schemes.

Maybe your implementation doesn't read on the claims. I note that most of the 
claims specifically reference "less than all the other users'" etc.  If your 
implementation has your local client receiving ALL the other user info, then 
this patent doesn't apply. (Claims 1,6, 9, 10, 11, 15, and 18 all have the 
"less than all" wording, the rest are subordinate claims)


In any case, if what you are doing happens to match the claims, you can always 
try to break the patent (i.e. find a prior disclosure of what's being 
patented.. a description in a novel might actually be good enough.. consult 
your patent attorney).  Or, you can patent something yourself, and then offer 
to cross license with the holder here.  Maybe worlds.com would be willing?

Whether you are doing open source or not doesn't really have any influence on 
whether something is infringing. If you're doing something described by the 
claims, you're infringing.

Note that this patent was originally applied for in the mid 90s.. going to be 
dicey on the prior art.



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