| Date▲▼ | Event Type▲▼ | Disposition▲▼ | Remarks | Document |
| 12/09/2025 | Motion for Extension of Time disposed. | Filing granted |
Motion for Extension of Time to file Response Brief on the Merits is granted. Response Brief is due January 14, 2026. FURTHER REQUESTS FOR EXTENSIONS OF TIME FOR THIS FILING WILL BE DISFAVORED. Reply Brief is due January 29, 2026.
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| 12/09/2025 | Motion for Extension of Time to File Brief filed | |
Unopposed Motion for Extension of Time to file Real Party in Interest's Response Brief on the Merits filed on behalf of Vaughn O. Vennerberg, II.
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| 11/24/2025 | Brief on the Merits | |
Relator's Brief on the Merits filed on behalf of Morningstar Oil & Gas, LLC, et al.
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| 10/24/2025 | Brief on the Merits Ordered | |
Brief on the merits ordered: Relator's brief on the merits due no later than November 24, 2025; Response brief due December 15, 2025; Reply brief due December 30, 2025.
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| 10/07/2025 | Reply to Petition for Writ of Mandamus | |
Reply in support of Petition for Writ of Mandamus filed on behalf of Morningstar Oil & Gas, LLC, et al.
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| 10/02/2025 | Response to Petition | |
Response to Petition for Review filed on behalf of Vaughn O. Vennerberg, II.
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| 10/02/2025 | Call received | |
Call from office of counsel for Relator to inform Court a reply in support of the mandamus will be filed by October 9, 2025.
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| 09/02/2025 | Motion for Extension of Time to File Response disposed | Filing granted |
Motion for Extension of Time to file Response to Petition for Writ of Mandamus is granted. Response is due October 2, 2025. FURTHER REQUESTS FOR EXTENSIONS OF TIME FOR THIS FILING WILL BE DISFAVORED.
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| 08/29/2025 | Motion for Extension of Time to File Response | |
Unopposed Motion for Extension of Time to file Response to Petition for Review filed on behalf of Vaughn O. Vennerberg, II.
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| 08/21/2026 | Response to Amicus Curiae Brief filed | |
Response to Amicus Curiae Brief filed on behalf of Morningstar Oil & Gas, LLC, et al.
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| 08/01/2025 | Supreme Court of Texas Requested Response | |
Response Requested to Petition for Writ of Mandamus. Response is due September 2, 2025.
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| 07/28/2026 | Amicus Curiae Brief received | |
Amicus Curiae Brief received on behalf of Alan Daughtry.
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| 07/01/2025 | Sealed document filed in case | |
Sealed Document
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| 07/01/2025 | Case forwarded to Court | |
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| 06/30/2025 | Case Record Filed | |
Mandamus Record filed on behalf of Morningstar Oil & Gas, LLC, et al.
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| 06/30/2025 | Petition for Writ of Mandamus filed | |
Petition for Writ of Mandamus filed on behalf of Morningstar Oil & Gas, LLC, et al.
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| 06/19/2026 | Case set for oral argument | Case set for oral argument |
This case has been set for oral argument at 9:00 a.m., December 1, 2026. Time allotted to argue: 20/20 minutes
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| 06/19/2026 | Mandamus Set to Argue | |
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| 06/19/2026 | Petition for Writ of Mandamus disposed | Case set for oral argument |
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| 03/31/2026 | Reply Brief | |
Relator's Reply Brief on the Merits filed on behalf of Morningstar Oil & Gas, LLC, et al.
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| 02/20/2026 | Motion for Extension of Time disposed. | Filing granted |
Motion for Extension of Time to file Reply Brief on the Merits is granted. Reply is due April 1, 2026. Further requests for extensions of time for this filing will be disfavored.
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| 02/19/2026 | Motion for Extension of Time to File Brief filed | |
Unopposed Motion for Extension of Time to file Relators Reply Brief on the Merits filed on behalf of Morningstar Oil & Gas, LLC.
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| 02/13/2026 | Brief on the Merits | |
Real Party in Interest's Brief on the Merits filed on behalf of Vaughn Vennerberg, II.
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| 01/13/2026 | Motion for Extension of Time disposed. | Filing granted |
Second Motion for Extension of Time to file Response Brief on the Merits is granted. Response Brief is due February 13, 2026. FURTHER REQUESTS FOR EXTENSIONS OF TIME FOR THIS FILING WILL NOT BE CONSIDERED. Reply Brief is due March 2, 2026.
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| 01/13/2026 | Motion for Extension of Time to File Brief filed | |
Unopposed Second Motion for Extension of Time to file Real Party in Interest's Response Brief on the Merits filed on behalf of Vaughn O. Vennerberg, II.
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