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CROSSOVER: Mandamus Win for Family-Law Litigants: Oral/Docket ‘New Trial’ Doesn’t Extend Plenary Power—Late Signed New-Trial Order Is Void

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

In re West Fork Group, LLC, 14-26-00143-CV, March 24, 2026.

On appeal from County Court at Law No. 1, Galveston County, Texas

Synopsis

A trial court cannot extend plenary power with an oral pronouncement or a docket entry “granting” a new trial—Rule 329b requires a signed written order. When the written new-trial order was signed after the motion had been overruled by operation of law and the 105-day plenary-power deadline had expired, the order was void. The Fourteenth Court granted mandamus and ordered the trial court to vacate the late new-trial order and every subsequent order, including a later purported final judgment.

Relevance to Family Law

Family-law litigators routinely operate in high-velocity post-judgment practice—new-trial motions after divorce decrees, enforcement judgments, attorney-fee sanctions, or property-division rulings. This opinion is a clean, mandamus-ready reminder that oral rulings and docket notations do not stop Rule 329b’s jurisdictional clock: if the signed order doesn’t exist by the deadline, plenary power expires and anything signed afterward is void. In custody and property disputes, that can mean immediate leverage to unwind post-deadline “do-overs,” prevent re-litigation, and halt trial-court proceedings that are jurisdictionally dead.

Case Summary

Fact Summary

West Fork obtained a final summary judgment on December 11, 2023, including express finality language disposing of all claims and parties. The opposing party timely filed a motion for new trial. At a February 19, 2024 hearing—within the 75-day window—the trial court orally stated it was granting a new trial, and the clerk’s docket sheet reflected the same.

But the court did not sign a written order granting the motion within the Rule 329b deadlines. The motion was therefore overruled by operation of law at day 75 after judgment, and the trial court’s plenary power continued only for 30 additional days (the 105-day outside deadline). The trial court nevertheless signed a written order granting a new trial on May 15, 2024—well after plenary power expired—and later signed additional orders, including a purported final judgment on February 18, 2025. West Fork sought mandamus to vacate the void post-plenary orders.

Issues Decided

Rules Applied

Application

The Fourteenth Court treated the case as a straight Rule 329b jurisdictional problem, not an equities problem. The December 11, 2023 judgment was final under Lehmann. The motion for new trial was timely, but Rule 329b(c) required the trial court to sign a written order granting the motion within 75 days; otherwise, the motion is overruled by operation of law.

The relator conceded (and the record reflected) that the trial court orally announced a grant at the February hearing and the docket entry mirrored that announcement. But the court held those actions were legally insufficient to constitute a “grant” of a new trial. Under Barber, Faulkner, and Horizon/CMS, the only legally operative act is a signed written order.

Because no signed order existed by the 75-day deadline, the motion was overruled by operation of law. The trial court’s plenary power therefore extended only to day 105 after judgment. When the court eventually signed the written new-trial order on May 15, 2024, it was outside the 105-day period (the court identified March 25, 2024 as the expiration date). That timing defect deprived the trial court of jurisdiction to grant a new trial; the order was void, and every later order built on that void order was likewise void. Mandamus was the correct procedural vehicle because void orders are reviewable by mandamus without the usual “no adequate remedy by appeal” showing.

Holding

The court held that the trial court’s oral pronouncement and docket entry did not grant a new trial; a new trial can be granted only by a signed written order. Because the motion for new trial was not granted by signed written order within Rule 329b’s deadlines, it was overruled by operation of law and plenary power expired at 105 days after the original judgment was signed.

The court further held that the written order granting a new trial—signed after plenary power expired—was void, as were all subsequent orders entered after that void act, including a later purported final judgment. The court conditionally granted mandamus and directed the trial court to vacate the late new-trial order and all subsequent orders.

Practical Application

Texas family-law cases are uniquely vulnerable to post-judgment procedural drift: judges announce rulings from the bench, coordinators “set it for signing later,” and docket sheets get treated as if they are orders. West Fork is a reminder that none of that matters for Rule 329b.

Use this opinion in at least three recurring family-law scenarios:

Strategically, the decision is also a reminder that the prevailing party must police deadlines. If you want the court to grant a new trial (or avoid operation-of-law denial), get the signed order entered well before day 75—because day 105 is the cliff, and the trial court cannot “fix it later.”

Checklists

Plenary-Power Deadline Control (Rule 329b)

If You Need the New-Trial Grant to Stick

If the Other Side Is Trying to Revive a Dead Judgment

Mandamus Packaging for a Void Post-Plenary Order

Citation

In re West Fork Group, LLC, No. 14-26-00143-CV (Tex. App.—Houston [14th Dist.] Mar. 24, 2026) (mem. op.) (orig. proceeding).

Full Opinion

Read the full opinion here

Family Law Crossover

In a Texas divorce or custody case, West Fork is a procedural lever when the other side (or the court) tries to reopen a final order after the jurisdictional window has closed. If the judge orally grants a new trial on the record—common in emotionally charged post-decree hearings—and the signed order doesn’t land before the Rule 329b deadlines, you can characterize everything that follows as void: the “new trial,” any interim rulings, discovery orders, and even a later “new” final order. That framing is not merely defensive; it can be offensive. A mandamus petition built on a clean Day 75/Day 105 timeline can freeze the opponent’s momentum, restore the original judgment as the operative final order, and force the case back into an appellate posture where deadlines and jurisdiction—rather than courtroom improvisation—control the outcome.

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