A California joint divorce or legal-separation petition depends on both spouses continuing to use the cooperative process. Either spouse may change course before judgment, but doing so converts the case into a standard marital proceeding rather than erasing the case entirely.

An Amended Pleading Revokes the Joint Petition

Before judgment, either joint petitioner may file an amended petition or response. Filing that amended pleading revokes the joint petition, and the matter continues under the ordinary process used for divorce or legal separation.

The spouses are then treated as petitioner and respondent. The change allows each person to state an individual position concerning the relief requested.

The Original Filing Date Is Preserved

Revoking the joint petition does not ordinarily require the spouses to begin an entirely new case. The original joint-petition filing date remains the filing date for the proceeding and for relevant timing calculations.

Preserving that date can be important when evaluating the progress of the case and the earliest date on which marital status may be terminated.

Existing Automatic Restrictions Continue

Automatic restrictions included with the joint summons remain in effect after a spouse files an amended petition or response. Neither spouse may treat revocation of the joint process as permission to transfer restricted property, alter insurance arrangements, or disregard other applicable restraints.

Those restrictions remain binding unless modified, terminated, or otherwise changed through an authorized process.

Court Requests Require a Procedural Transition

If a spouse wants the court to decide an issue, compel discovery, or set the case for trial, that spouse must file an amended pleading before or at the same time as the court request. The case then proceeds through the regular contested or partially contested process.

The spouses may still settle after the transition. Revoking the joint petition changes the procedure; it does not prevent later agreement.

A California divorce attorney can prepare the amended pleading, protect the original filing date, confirm which restrictions remain operative, and pursue necessary temporary or final orders after the joint process ends.