Biglaw benefits haven’t been frozen in time since 2007. We have extensively reported on the “gay gross up” (or “tax equalization for same-sex health benefits”) trend. But there have been some interesting health benefit trends happening at law firms beyond extending basic fairness to same-sex couples. Adam Okun has done a round-up of Biglaw perks on the blog Frenkely Speaking. It’s not going to come as a galloping shock that Biglaw is punishing to families….