This question has been addressed in 1 Texas court opinion:
COA01 — February 12, 2026
In a family law dispute, a pro se litigant sought a writ of mandamus to vacate trial court orders, arguing that the presiding judge was constitutionally disqualified. The First Court of Appeals analyzed the claim under Article V, Section 11 of the Texas Constitution, which requires a specific showing of a judge's pecuniary interest, kinship to the parties, or prior service as counsel in the matter. The court held that the relator failed to provide a sufficient record or factual basis to establish a clear abuse of discretion and did not demonstrate the lack of an adequate remedy by appeal, resulting in the denial of the petition.
Litigation Takeaway
“Challenging a judge's authority requires more than just a disagreement with their rulings; a claim of constitutional disqualification must be backed by a specific, sworn record of financial interest or prohibited family relationships. Without a pinpoint demonstration of these narrow grounds, appellate courts will not grant the extraordinary relief of mandamus.”