Supreme Court

Case: 26-0874    
26-0874
08/12/2026
Petition for Writ of Mandamus
IN RE WESTLAKE CHEMICAL CORPORATION AND WESTLAKE US 2 LLC F/K/A 
 
Appellate Briefs
Date▲▼Event Type▲▼Description▲▼RemarksDocument
08/12/2026Petition for Writ of Mandamus filedRelator Petition for Writ of Mandamus filed on behalf of Westlake Chemical Corporation and Westlake US 2 LLC f/k/a.
Case Events
Date▲▼Event Type▲▼Disposition▲▼RemarksDocument
08/28/2026Supreme Court of Texas Ordered Response  Court ordered response to petition for writ of mandamus due no later than September 28, 2026.
08/28/2026Stay Order issued 
08/27/2026Supplement to Clerk's/Reporter's Record  Real Party in Interest's Supplemental Mandamus Record filed on behalf of Matthew McPherson.
08/27/2026Reply to Response to Motion  Reply in Support of Motion to Stay filed on behalf of Westlake Chemical Corporation, et al.
08/27/2026Supplement to Clerk's/Reporter's Record  Second Supplemental Mandamus Record filed on behalf of Westlake Chemical Corp, et al.
08/27/2026Notice received  Notice of Second Supplemental Mandamus Record filed on behalf of Westlake Chemical Corp, et al.
08/27/2026Response to Motion filed  Real Party in Interest's Response to Relator's Emergency Motion for Temporary Relief to Stay Imminent Trial filed on behalf of Matthew McPherson
08/25/2026Supreme Court of Texas Ordered Response  Court ordered response to Relators' Emergency Motion for Temporary Relief due no later than 12:00 p.m., Thursday, August 27, 2026.
08/24/2026Call received  Call received regarding the status of motion to stay.
08/13/2026Court reporter/recorder's record 
08/12/2026Case Record Filed  Mandamus Record filed on behalf of Westlake Chemical Corporation and Westlake US 2 LLC f/k/a.
08/12/2026Motion to Stay Filed   Motion to Stay filed on behalf of Westlake Chemical Corporation and Westlake US 2 LLC f/k/a.
08/12/2026Petition for Writ of Mandamus filed  Petition for Writ of Mandamus filed on behalf of Westlake Chemical Corporation and Westlake US 2 LLC f/k/a.
Calendars
Set Date▲▼Calendar Type▲▼Reason Set▲▼Remarks▲▼
08/13/2026Work-Up by Staff / Review by JusticesUnder Review 
08/28/2026Stay issued.Stay order issued 
09/28/2026ResponseCourt ordered response due 
Parties
Party▲▼Party Type▲▼Representative▲▼
Westlake Chemical Corporation and Westlake US 2 LLCRelatorMr. Scott Riddle
Ms. Jessica Z. Barger
Mr. Wesley Tyler Sprague
Essay Eden
Ms. Heidi Jean Gumienny
Mr. Raymond A. Neuer
Mr. Conor Harvey
Ms. Brittany Davis
Mr. Andrew J. McCluggage
McPherson, MatthewReal Party in Interest Mr. Roland T. Christensen
Mr. Micajah "Caj" Daniel Boatright
Trevor Courtney
Mr. Jason A. Itkin
Mr. Kurt B. Arnold
Mr. Noah Michael Wexler
Gomez, Michael RespondentThe Honorable Michael Gomez
Court of Appeals Information:
Denied 
___ SW3d ___, 07-28-26 
1st Court of Appeals 
Honorable Per Curiam 
Trial Court Information
129th District Court 
Harris 
Honorable Michael Paul Gomez 
2022-55725