(This is a cross-post from 600Commerce.) Last Friday’s opinion by the Texas Supreme Court in St. John Missionary Baptist Church v. Flakes reversed St. John’s Missionary Baptist Church v. Flakes, 547 S.W.3d 311 (Tex. App.–Dallas 2018) (en banc). The law of appellate briefing waiver now has (at least) these features:

1. Waiver occurs when (a) the defendants move for summary judgment on two grounds that each are an “independent basis” for judgment (limitations and release), (b) the trial court grants the motion without specifying a reason, and (c) “[o]n appeal, the plaintiff challenged the validity of the release in question but did not address the defendants’ statute-of-limitations argument.” In this situation, the trial court’s judgment “must stand, since it may have been based on a ground not specifically challenged by the plaintiff and since there was no general assignment that the trial court erred in granting summary judgment.” Malooly Bros., Inc. v. Napier, 461 S.W.2d 119 (Tex. 1970).
2. Waiver does not occur when – and a court may thus request supplemental briefing if that would be helpful – when the defendants seek dismissal based on two doctrines (standing and ecclesiastical abstention), the substance of which “significantly overlaps.” The supreme court found such an “overlap” in Flakes when consideration of both doctrines required review of the applicable church bylaws and church membership situation. Two other examples cited in Flakes involve arguments about equitable relief related to points about money damages (First United Pentecostal Church v. Parker, 514 S.W.3d 214 (Tex. 2017)), and an issue about the applicability of a specific case in a broader dispute about the right to terminate a lease (Rohrmoos Venture v. UTSW DVA Healthcare, 578 S.W.3d 469 (Tex. 2019)).
3. Supplemental briefing is discretionary under Flakes; cf. Horton v. Stovall, No.18-0925 (Tex. Dec. 20, 2019) (finding that an appellant should have been given the opportunity to cure the particular record-citation issues identified in that case).

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