[Icehouse] Huh?

[Christopher Hickman]

> generally game mechanics haven't been patented.

Icehouse (the game, not the system) has been:
http://patft.uspto.gov/netacgi/nph-Parser?u=%2Fnetahtml%2Fsrchnum.htm&Sect1=
PTO1&Sect2=HITOFF&p=1&r=1&l=50&f=G&d=PALL&s1=4936585.PN.&OS=PN/4936585&RS=PN
/4936585

> The pieces themselves I think would actually have a very 
> limited amount of 
> legal protection, if any

I found this interesting essay from Andy: