FORTUNE — The text at right is what Judge Judy Koh was prepared to tell the jury about Samsung’s policy of automatically deleting e-mails that might have been relevant to its patent battle with Apple (AAPL).
Samsung objected. It insisted that Apple was equally guilty of evidence “spoliation.” As proof, it pointed out that the record contained no e-mails from Steve Jobs that mentioned the patent trial in the period between 2010 (when Apple sued Samsung) and Jobs’ death in 2011
Judge Koh seems to have been persuaded. FOSS Patents‘ Florian Mueller notes that late Sunday she filed an order that reversed a magistrate’s judge’s ruling and replaced the long instruction above with a pair of instructions that hold the two companies equally to blame. Unless Apple can change the judge’s mind on Monday, she will tell the jury:
And the same thing about Apple:
Mueller describes the new instructions as a “major breakthrough” for Samsung. “This reversal,” he writes, “significantly increases the Korean company’s chances of getting a verdict it can live with.”