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I am sorry to hear about this situation. Because this was back in 2002, it may not be possible to "undo" the judgment at this point. Regardless if she wants to attempt it, then someone in her situation then wants to:
1) File a Motion to Quash, in an attempt to quash the subpoena,
2) File a Motion to Stay to ask the Court to suspend enforcement of any judgment, and
3) File a Motion to Vacate Judgment based on events materially affecting the substantial rights of the party and entitling the party to a different judgment." See Ca Civ Proc § 663.
Her attorney may decide that a different pleading and/or argument may make a better case, depending on the nuances.
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