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Adequate Appellate Remedy Defeats Mandamus Relief | In re Cook (2026)

New Texas Court of Appeals Opinion - Analyzed for Family Law Attorneys

In re Mandy Jo Cook, 09-26-00217-CV, June 18, 2026.

Original proceeding from 411th District Court of San Jacinto County, Texas

Synopsis

When a relator has already perfected an appeal from the complained-of judgment nunc pro tunc, mandamus is generally not available to attack that same order. In In re Cook, the Beaumont Court of Appeals denied mandamus because the issues could be addressed in the pending appeal, and under Texas Rule of Appellate Procedure 52.8(a), the existence of an adequate appellate remedy defeated extraordinary relief.

Relevance to Family Law

This opinion matters in divorce and post-decree litigation because judgments nunc pro tunc often affect property division, conservatorship terms, support provisions, and enforcement strategy. For family law litigators, In re Cook is a reminder that once an appeal has been perfected from a nunc pro tunc decree, a parallel mandamus attack may fail if the appellate court concludes the complained-of issues can be handled in the appeal itself.

Case Summary

Fact Summary

This was an original proceeding in which the Wife sought mandamus relief from a substituted judgment nunc pro tunc entered after a divorce decree. The trial court had signed a Final Decree of Divorce and Order for Conservatorship and Child Support on December 4, 2025. On January 22, 2026, the Husband filed a motion for judgment nunc pro tunc, alleging that multiple proposed decrees had been filed by counsel for both parties and that the wrong decree had been signed.

After a hearing on April 16, 2026, the trial court signed an order granting judgment nunc pro tunc and signed a substituted Final Decree of Divorce and Order for Conservatorship and Child Support. The opinion notes that the Wife identified multiple changes between the December decree and the April substituted decree, including changes involving debt allocations, mortgage-payment obligations, a proceeds-distribution provision, a sanctions section, the award of animals, deletion of certain debt provisions, a pickup-and-return provision, and injunction language.

On May 7, 2026, the Wife perfected an appeal from the judgment nunc pro tunc. In the mandamus proceeding, she argued that the trial court abused its discretion by signing a nunc pro tunc judgment that corrected what she contended were judicial rather than clerical errors after plenary power had expired. She also complained that the trial court had not acted on a motion to vacate that she filed after perfecting her appeal.

The opinion further states that, after the Wife perfected her appeal, the Husband filed a petition for enforcement of division of property by contempt under Chapter 9 of the Family Code. The Wife argued mandamus relief was required because the enforcement proceeding would continue while the appeal remained pending, and because a title company was treating the April 16 decree as operative in connection with a scheduled closing.

Issues Decided

  • Whether mandamus relief should issue when the relator challenges a judgment nunc pro tunc but has already perfected an appeal from that judgment.
  • Whether, under the mandamus record presented, the pendency of the appeal provided an adequate appellate remedy that made mandamus relief inappropriate.
  • Whether the circumstances identified by the relator justified extraordinary relief despite the pending appeal.

Rules Applied

The court relied on the following authorities:

  • Texas Rule of Appellate Procedure 52.8(a), governing disposition of a petition for writ of mandamus.
  • In re Team Rocket, L.P., 256 S.W.3d 257, 262 (Tex. 2008), for the proposition that the adequacy of an appellate remedy is determined by balancing the benefits of mandamus review against the detriments.
  • In re Prudential Ins. Co. of Am., 148 S.W.3d 124, 136 (Tex. 2004), as part of the balancing framework for assessing whether an appellate remedy is adequate.
  • Texas Rule of Civil Procedure 329b(h), cited by the court in noting that the Wife perfected an appeal from the judgment nunc pro tunc.
  • Texas Rule of Civil Procedure 329b(f), cited by the court in connection with the Wife’s complaint that the trial court had not acted on her later-filed motion to vacate.
  • Castilleja v. Camero, 414 S.W.2d 431, 433 (Tex. 1967), which the court cited for the proposition that when ownership of disputed funds is at issue and the fund is in danger of being lost or depleted, the trial court may order the funds deposited into the registry of the court until the dispute is finally decided.
  • Texas Family Code sections 9.001-.014, cited by the court in describing the Husband’s post-appeal enforcement filing.

Application

The court did not decide the merits of the Wife’s underlying complaint that the substituted decree reflected judicial rather than clerical changes. Instead, the court focused on remedy. It expressly concluded that the dispute could be addressed in the appeal the Wife had already perfected from the judgment nunc pro tunc.

That conclusion drove the rest of the analysis. The Wife argued that immediate mandamus relief was necessary because the substituted decree was being treated as operative for a scheduled closing and because a property-enforcement contempt proceeding had been filed. But the court examined the mandamus record as presented and determined that the benefits of mandamus review did not outweigh the detriments.

A notable part of the court’s reasoning was its discussion of the sale proceeds. The opinion states that the parties agreed the residence closing should proceed as scheduled but disputed which decree controlled distribution of the proceeds. The court observed that the Wife had not asked the trial court to order the disputed portion of the proceeds into the registry of the court pending resolution of the appeal. By citing Castilleja, the court pointed to a potential trial-court mechanism for preserving disputed funds while the appellate process ran its course.

The court also noted a record problem: the relator did not include a transcript of the April 16 hearing in the mandamus record. The opinion cites Rule 52.7(a)(2) for that point. Although the court’s stated basis for denial was the existence of an adequate appellate remedy, the opinion underscores the importance of a complete mandamus record when seeking extraordinary relief.

Holding

The court held that mandamus relief was not warranted because the relator’s challenge to the judgment nunc pro tunc could be addressed in the appeal she had already perfected from that judgment. Applying the balancing framework from In re Prudential and In re Team Rocket, the court concluded that, under the circumstances presented in the mandamus record, the benefits of mandamus review were outweighed by the detriments.

The court therefore denied both the petition for writ of mandamus and the motion for temporary relief under Texas Rules of Appellate Procedure 52.8(a) and 52.10.

Practical Application

For Texas family law litigators, In re Cook is less about nunc pro tunc doctrine than about appellate sequencing and remedy selection. If you have already perfected an appeal from a divorce-related judgment nunc pro tunc, do not assume you can improve your position by filing a parallel mandamus petition attacking the same order. This opinion indicates that the appellate court may view the pending appeal as an adequate remedy, even where the relator argues that enforcement activity or a pending closing creates urgency.

The more practical lesson is to pair your appellate strategy with preservation measures in the trial court. If disputed sale proceeds are about to be distributed under the challenged decree, consider requesting that the disputed portion be deposited into the registry of the court pending appeal. That was a specific gap the court identified in this mandamus record. Likewise, when enforcement proceedings are moving forward, the existence of parallel pressure alone may not establish entitlement to mandamus if the complained-of decree remains reviewable on appeal.

The case also reinforces a basic but critical point for extraordinary-relief practice: a mandamus petition rises or falls on the record actually filed. Here, the court expressly noted the absence of a transcript from the hearing on the motion for judgment nunc pro tunc. Even where the denial turns on adequate appellate remedy, family law practitioners should assume the court will scrutinize whether the mandamus record is complete.

Checklists

Evaluate Remedy Before Filing Mandamus

  • Determine whether an appeal from the challenged judgment nunc pro tunc has already been perfected.
  • Assess whether the issues you want to raise in mandamus can be addressed in that appeal.
  • Analyze adequate-remedy questions under In re Prudential and In re Team Rocket before seeking extraordinary relief.
  • Do not assume urgency alone will displace the adequate-appellate-remedy bar.

Protect Property While Appeal Is Pending

  • Identify whether a closing, refinance, turnover, or other property event will occur before the appeal is resolved.
  • If sale proceeds are disputed, consider requesting that the disputed portion be deposited into the registry of the court.
  • Make a clear trial-court record showing why interim preservation of funds is necessary.
  • Separate the question of whether the transaction may proceed from the question of how disputed proceeds should be held.

Build a Mandamus Record

  • Include the order being challenged.
  • Include all motions and responses relevant to the complained-of ruling.
  • Include a reporter’s record of the pertinent hearing when one exists.
  • Confirm compliance with Texas Rule of Appellate Procedure 52.7.
  • Frame the requested relief around the actual procedural posture shown by the record.

Coordinate Appeal and Enforcement Strategy

  • Review whether post-decree enforcement proceedings have been filed under Chapter 9 of the Family Code.
  • Evaluate whether relief should be sought in the trial court to preserve the status quo while appeal is pending.
  • Consider how enforcement allegations interact with the appealed decree, but do not assume that overlap alone creates mandamus entitlement.
  • Present any immediate harm arguments with a concrete procedural request supported by the record.

Citation

In re Mandy Jo Cook, No. 09-26-00217-CV, slip op. (Tex. App.—Beaumont June 18, 2026, orig. proceeding) (mem. op.).

Full Opinion

Read the full opinion here

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Tom Daley is a board-certified family law attorney with extensive experience practicing across the United States, primarily in Texas. He represents clients in all aspects of family law, including negotiation, settlement, litigation, trial, and appeals.