In City of San Antonio v. Rodriguez, 828 S.W.2d 417, 418 (Tex. 1992), the supreme court held that a timely notice of appeal filed under an erroneous cause number was sufficient to invoke appellate jurisdiction.
In that case, the style of the case did not match the style of the incorrect cause number, and the court distinguished the facts from Philbrook v. Berry, 683 S.W.2d 378, 379 (Tex. 1985), in which the styles associated with both cause numbers were identical. Id.
The court stated that there was no confusion as to what the City intended to appeal and that the notice of appeal was a "'bona fide attempt to invoke appellate court jurisdiction'" because it complied with the appellate rules in all respects other than the erroneous cause number. Id.