In the Philippine jurisdiction, the protection of individuals who are unable to care for themselves or manage their own affairs is governed by a robust set of statutes and procedural rules. While the term "conservatorship" is frequently used in Western legal systems, Philippine law primarily utilizes the framework of Guardianship, which encompasses the care of both the person and their property (estate).

The primary governing rules are found in Rules 92 to 97 of the Rules of Court and A.M. No. 03-02-05-SC (The Rule on Guardianship over Minors).

1. Defining the Ward: Who Requires Guardianship?

Under Philippine law, a "ward" is any person under guardianship. The law identifies two main categories of individuals who require such protection:

Minors: Individuals below eighteen (18) years of age.
Incompetents: This category includes persons suffering from the penalty of civil interdiction, hospitalized or institutionalized persons, those of unsound mind (even if they have lucid intervals), and persons who, by reason of age, disease, weak mind, or other similar causes, cannot, without outside aid, take care of themselves and manage their property.

2. Types of Guardians

Philippine law recognizes three distinct types of guardians based on the origin of their authority:

Legal Guardian: Those who are deemed guardians by operation of law without the need for a court appointment. For instance, parents are the joint legal guardians of the person and property of their unemancipated common children.
Testamentary Guardian: A guardian appointed by a parent in a will or deed to take effect after the parent's death. This appointment still requires court confirmation.
Judicial Guardian: A person appointed by a court of competent jurisdiction to care for the person and/or the estate of a ward after following the prescribed legal procedure.

3. Qualifications of a Guardian

The court exercises wide discretion in appointing a guardian, but the primary consideration is always the best interest of the ward. Generally, the court considers the following factors:

Moral character and integrity.
Physical and mental health.
Financial capability and business acumen (especially for guardians of the estate).
The relationship between the proposed guardian and the ward.
The preference of the ward (if the ward is over 14 years of age and possesses sufficient discretion).

4. The Procedural Requirements for Appointment

The process for judicial guardianship is a special proceeding that involves the following steps:

The Petition

A verified petition must be filed in the Family Court (for minors) or the Regional Trial Court (for incompetent adults) where the ward resides. The petition must state the jurisdictional facts, the names and residences of the next of kin, and the probable value and character of the ward's estate.

Notice of Hearing

Due process is strictly observed. The court fixes a time and place for the hearing and causes reasonable notice to be given to the persons mentioned in the petition, including the ward themselves if they are over 14 years of age.

The Hearing and Opposition

During the hearing, any interested person may contest the petition on grounds such as the petitioner’s unfitness or the ward’s actual competency. If the court finds the allegations of the petition true, it will issue Letters of Guardianship.

5. The Guardian’s Bond

Before a guardian can enter into the execution of their trust, they must post a bond in an amount fixed by the court. This bond serves as a guarantee that the guardian will:

Make and return a true inventory of the ward's estate within three months.
Faithfully manage the estate for the ward's benefit.
Render a true account of the property and its proceeds.
Perform all orders of the court regarding the ward's care and assets.

6. Duties and Management of the Estate

The guardian’s responsibilities are divided into two primary domains:

Care of the Person: The guardian must ensure the ward’s physical well-being, education (for minors), and general welfare.
Management of the Estate: The guardian must manage the ward's property frugally. They cannot sell or encumber the ward's real property without an explicit Order of the Court. To obtain such an order, the guardian must prove that the sale is necessary for the ward’s support or that it is for the ward’s manifest benefit to reinvest the proceeds.

7. Termination of Guardianship

Guardianship is not permanent and may be terminated under the following circumstances:

Majority: When a minor ward reaches the age of 18.
Removal: The court may remove a guardian if they become insane, otherwise incapable of discharging the trust, or unsuitable (e.g., embezzlement or gross negligence).
Resignation: A guardian may resign if the court finds that their reasons are valid and that the resignation will not prejudice the ward.
Restoration of Capacity: For adult incompetents, a petition for "Restoration of Capacity" can be filed. If the court finds, after a hearing, that the person is no longer incompetent, the guardianship is dissolved.
Death: The death of either the guardian or the ward terminates the specific guardianship relationship.

Note on Property Value: Under the Family Code, parents are the legal guardians of the property of their children without the need for a court appointment if the market value of the property does not exceed PHP 50,000.00. If the property exceeds this amount, the parent must post a bond and file a formal petition for guardianship of the property.