судебный процесс, от решения по которому зависит само существование компании
судебная тяжба, в которой на карту поставлено существование компании

There is no firm definition of "bet-the-company" litigation — all litigation is significant to the parties involved — but the stakes are the highest when the survival of a business hinges on the outcome of a case. And the stakes are even higher when the survival of a business hinges on the outcome of an initial hearing that may last as few as 20 minutes.

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Note added at 6 days (2014-03-29 11:44:27 GMT) Post-grading
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Спасибо!