All aboard the hype train!
Apparently Bethesda posted a trademark for Fallout: Shadow of Boston to a German Trademark and Patent Office.
But really I hope this doesn't lead to more Fallout 4 shenanigans. I really want this to be legit.
http://www.gamespot.com/articles/fallout-shadow-of-boston-trademark-appears/1100-6423376/
http://www.ign.com/articles/2014/11/05/trademark-application-made-for-fallout-shadow-of-boston