Shenzhen Baili, the Chinese company that last week managed to win a Beijing patent office ruling that the iPhone 6 copied its own Baili 100C smartphone, is effectively defunct, reports the WSJ.

[Parent company] Digione had collapsed, brought down by buggy products, mismanagement and fierce competition, according to former employees and investors. Digione has been absent from China’s mobile-phone market for at least a year and Baidu has accused it of squandering its investment.

When the WSJ attempted to track down the company behind the alleged patent, it found no signs that it was still operating …

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