A failure to oppose a motion may be deemed a consent to the granting of the motion.
Cal. R. Ct. 8.54
Advisory Committee Comment
Subdivision (a). A party other than the appellant or petitioner who files a motion or opposition to a motion may be required to pay a filing fee under Government Code sections 68926 or 68927 if the motion or opposition is the first document filed in the appeal or writ proceeding in the reviewing court by that party. See rule 8.25(c).
Subdivision (c). Subdivision (c) provides that a "failure to oppose a motion" may be deemed a consent to the granting of the motion. The provision is not intended to indicate a position on the question whether there is an implied right to a hearing to oppose a motion to dismiss an appeal.