<s>
2006	O
)	O
,	O
was	O
a	O
significant	O
case	O
in	O
the	O
development	O
of	O
free	B-Application
software	I-Application
.	O
</s>
<s>
The	O
case	O
decided	O
,	O
at	O
the	O
Court	O
of	O
Appeals	O
for	O
the	O
Seventh	O
Circuit	O
,	O
that	O
in	O
United	O
States	O
law	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
did	O
not	O
contravene	O
federal	O
antitrust	O
laws	O
.	O
</s>
<s>
Daniel	B-Application
Wallace	I-Application
,	O
a	O
United	O
States	O
citizen	O
,	O
sued	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
(	O
FSF	O
)	O
for	O
price	O
fixing	O
.	O
</s>
<s>
Wallace	O
claimed	O
that	O
free	O
Linux	B-Application
prevented	O
him	O
from	O
making	O
a	O
profit	O
from	O
selling	O
his	O
own	O
operating	O
system	O
.	O
</s>
<s>
On	O
April	O
28	O
,	O
2005	O
,	O
Daniel	B-Application
Wallace	I-Application
filed	O
suit	O
against	O
the	O
FSF	O
in	O
the	O
U.S.	O
District	O
Court	O
for	O
the	O
Southern	O
District	O
of	O
Indiana	O
,	O
stating	O
that	O
the	O
GPL	B-License
,	O
by	O
requiring	O
copies	O
of	O
computer	O
software	O
licensed	O
under	O
it	O
to	O
be	O
made	O
available	O
freely	O
,	O
and	O
possibly	O
even	O
at	O
no	O
cost	O
,	O
is	O
tantamount	O
to	O
price	O
fixing	O
.	O
</s>
<s>
[T]he	O
GPL	B-License
encourages	O
,	O
rather	O
than	O
discourages	O
,	O
free	O
competition	O
and	O
the	O
distribution	O
of	O
computer	O
operating	O
systems	O
,	O
the	O
benefits	O
of	O
which	O
directly	O
pass	O
to	O
consumers	O
.	O
</s>
<s>
In	O
2006	O
,	O
Daniel	B-Application
Wallace	I-Application
filed	O
a	O
lawsuit	O
against	O
the	O
software	O
companies	O
IBM	O
,	O
Novell	O
,	O
and	O
Red	O
Hat	O
,	O
who	O
profit	O
from	O
the	O
distribution	O
of	O
open-source	B-Application
software	I-Application
,	O
specifically	O
the	O
Linux	B-Application
operating	I-Application
system	I-Application
.	O
</s>
