The parties are reuniting in a San Jose courtroom to make their cases to a jury once more, this time dueling over how much Samsung should have to pay Apple for copying several of its patented features. Koh ordered the retrial in March, finding the original jury’s landmark $1.05 billion award to Apple was tainted by an improper notice date. She has insisted that the new trial must be a virtual replay of the first and barred the parties from introducing new evidence or legal theories.

But some changes cannot be helped. Chicago accountant Julie Davis will be stepping in for Apple’s original damages expert, Terry Musika, who died in December. And though they are sticking with the same firms, both tech giants have adjusted their legal lineups.