Installing MLR#3 on SOA Suite 10.1.3.4

Unzip MLR3 patch to a directory of your choice.
copy the directory 7586063 to the soaSuiteHome\opatches directory

Open a CMD window in this directory

set Oracle_home=d:\soa10134\appserver
set PERL5LIB=d:\soa10134\appserver\perl\5.8.3\lib
set OPATCH_PLATFORM_ID=0
set path=d:\soa10134\appserver\OPatch;%path%

Apply the patch -
opatch apply

Post-Steps
DB Schema upgrade

ORABPEL- according to the patch README, if you're pure 10.1.3.4 then you must run the following to update the schema
upgrade_10134_10134mlr_above_mlr11_oracle.sql
In my case the file is located at -
D:\SOA10134\AppServer\bpel\system\database\scripts

ORAESB - run the following -
SQL> @$ORACLE_HOME/integration/esb/sql/oracle/upgrade_10134_10134MLR.sql

In my case the file is located at -
D:\SOA10134\AppServer\integration\esb\sql\oracle

XREF: xREF Schema update. I've not used ESB xrefs so they don't need updating

Restart Soa Suite 10.1.3.4
opmnctl startall