Posted January 23, 2013
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Best way to check as they don't have a service update is check the Battlefield 3 status. If their servers are down for PC then Origin in most cases will also be down.
However, after you run a game for the first time you can start stuff offline, you can even just double click the startup exe file in the install directory to launch a game and it doesn't start the Origin service.
Battlefield 3 status for future reference :
http://www.ea.com/servers/battlefield3?websso=1