California Code, Probate Code - PROB § 2642

(a) At any time permitted by Section 2640 and upon the notice therein prescribed, an attorney who has rendered legal services to the guardian or conservator of the person or estate or both, including services rendered under Section 2632, may petition the court for an order fixing and allowing compensation for such services rendered to that time. Legal services for which the attorney may petition the court for an order fixing and allowing compensation under this subdivision include those services rendered by any paralegal performing the legal services under the direction and supervision of an attorney. The petition or application for compensation shall set forth the hours spent and services performed by the paralegal.

(b) Upon the hearing, the court shall make an order allowing such compensation as the court determines reasonable to the attorney for services rendered to the guardian or conservator. The compensation so allowed shall thereupon be charged against the estate.