AP offers this report, which begins:

Four years after Ohio’s near meltdown on Election Day, state officials had a novel idea: Put all the political lawyers in one room and ask them to work things out in advance this time.
Good luck with that.

The article cites some of the statistics I complied on election law litigation. You can find those data here.
Much of the important lawyering this time is taking place before election day, as I explain in my new Slate article.