<s>
XenForo	B-Protocol
is	O
a	O
commercial	B-Application
Internet	B-Application
forum	I-Application
software	I-Application
package	O
written	O
in	O
the	O
PHP	B-Application
programming	I-Application
language	I-Application
.	O
</s>
<s>
The	O
software	O
is	O
developed	O
by	O
former	O
vBulletin	B-Protocol
lead	O
developers	O
Kier	B-Protocol
Darby	I-Protocol
and	O
Mike	O
Sullivan	O
.	O
</s>
<s>
The	O
first	O
public	O
beta	O
release	O
of	O
XenForo	B-Protocol
was	O
released	O
in	O
October	O
2010	O
,	O
the	O
stable	O
version	O
on	O
March	O
8	O
,	O
2011	O
.	O
</s>
<s>
One	O
of	O
his	O
products	O
,	O
Xen	O
Media	O
Gallery	O
,	O
now	O
XenForo	B-Protocol
Media	O
Gallery	O
,	O
joined	O
the	O
XenForo	B-Protocol
family	O
of	O
products	O
.	O
</s>
<s>
One	O
of	O
the	O
developers	O
of	O
XenForo	B-Protocol
,	O
Kier	B-Protocol
Darby	I-Protocol
,	O
had	O
been	O
a	O
lead	O
developer	O
for	O
the	O
community	O
platform	O
vBulletin	B-Protocol
.	O
</s>
<s>
The	O
original	O
owner	O
of	O
vBulletin	B-Protocol
,	O
Jelsoft	B-Protocol
,	O
was	O
acquired	O
by	O
the	O
American	O
new	O
media	O
company	O
Internet	O
Brands	O
in	O
2007	O
.	O
</s>
<s>
Disagreements	O
occurred	O
between	O
the	O
developers	O
and	O
the	O
new	O
management	O
and	O
most	O
of	O
the	O
vBulletin	B-Protocol
developers	O
left	O
Internet	O
Brands	O
in	O
2009	O
.	O
</s>
<s>
Darby	O
and	O
other	O
former	O
vBulletin	B-Protocol
developers	O
began	O
work	O
on	O
a	O
new	O
platform	O
,	O
XenForo	B-Protocol
.	O
</s>
<s>
One	O
day	O
before	O
the	O
scheduled	O
release	O
of	O
the	O
first	O
public	O
beta	O
of	O
XenForo	B-Protocol
in	O
October	O
2010	O
,	O
Internet	O
Brands	O
announced	O
that	O
it	O
would	O
file	O
a	O
lawsuit	O
against	O
the	O
XenForo	B-Protocol
team	O
in	O
the	O
UK	O
,	O
claiming	O
:	O
copyright	O
infringement	O
of	O
property	O
acquired	O
by	O
Internet	O
Brands	O
,	O
use	O
of	O
code	O
in	O
XenForo	B-Protocol
that	O
was	O
refactored	O
from	O
vBulletin	B-Protocol
code	O
,	O
breach	O
of	O
contract	O
,	O
and	O
engaging	O
in	O
unfair	O
business	O
practices	O
.	O
</s>
<s>
Representatives	O
stated	O
that	O
XenForo	B-Protocol
"	O
unfairly	O
stands	O
on	O
the	O
shoulders	O
of	O
more	O
than	O
a	O
decade	O
of	O
development	O
"	O
,	O
development	O
which	O
had	O
become	O
the	O
property	O
of	O
Internet	O
Brands	O
through	O
the	O
acquisition	O
.	O
</s>
<s>
In	O
November	O
2010	O
,	O
Internet	O
Brands	O
sued	O
XenForo	B-Protocol
and	O
Darby	O
in	O
California	O
District	O
Court	O
in	O
the	O
United	O
States	O
,	O
additionally	O
claiming	O
that	O
Darby	O
had	O
not	O
returned	O
confidential	O
information	O
from	O
Internet	O
Brands	O
regarding	O
the	O
vBulletin	B-Protocol
software	O
.	O
</s>
<s>
The	O
XenForo	B-Protocol
team	O
denied	O
the	O
claims	O
.	O
</s>
<s>
On	O
February	O
28	O
,	O
2013	O
,	O
XenForo	B-Protocol
announced	O
that	O
the	O
lawsuit	O
had	O
been	O
settled	O
between	O
the	O
parties	O
in	O
both	O
the	O
UK	O
and	O
the	O
US	O
.	O
</s>
<s>
XenForo	B-Protocol
announced	O
that	O
all	O
license	O
holders	O
with	O
a	O
valid	O
license	O
from	O
June	O
19	O
,	O
2012	O
would	O
receive	O
an	O
additional	O
255	O
days	O
of	O
support	O
and	O
download	O
access	O
.	O
</s>
