At your shop, talk about real client service every single day–as if it were a substantive area of law practice. Make it a running conversation. And if you are serious about building and keeping a “client service culture”, you need to underscore it at every performance review.
It’s an idea that is here to stay–in this, or any other economy. See “Performance Reviews Based On Client Service Criteria?” Are you serious about all that “client service” stuff on your website?