SAN FRANCISCO — In 2013, employment lawyers are looking to attend to some unfinished business. California courts have had a lot to say in recent years about class certification and mandatory arbitration — but they’ve skirted questions that would put state policy in direct conflict with evolving federal law.

The two issues on everyone’s minds are the use of representational testimony and statistical analysis in seeking class certification, and how much room courts have to void arbitration provisions in employment agreements.