"With over 2,000 judges, California probably has the largest court system in the world. Such a massive system—directly employing about 19,000 people in over 500 buildings—is an expensive operation. To ensure the efficient use of over $4 billion in public funds, it is essential that this juggernaut of a justice system only spends resources resolving disputes that are truly worthy of judicial attention. The goal of appropriately using taxpayer money is furthered by a familiar trio of justiciability doctrines: case and controversy, ripeness, and mootness. Any case brought to court must satisfy all three doctrines or be summarily booted out of court on jurisdictional grounds. This applies to appeals too, of course."
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