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Introducing our law firm

Welcome to Cosgrove, Humphrey & Weisman Attorneys at Law. We are a boutique firm whose practice is built on a decades-long foundation of expertise, diligence and trust. Sought out for our in-depth knowledge and longstanding reputation, we perform with the highest standards in the areas of simple and complex estate planning, probate, non-probate transfers, trust administration, conservatorships, guardianships, business transactions and litigation in all areas. We specialize in and have mastered the increasingly complex practice of law under the probate code. Year after year we earn the trust of loyal clients whose relationships, families and futures mean everything to us.


Sometimes, due to age or infirmity, people lose the ability to make sound decisions.

A guardian is a person that is appointed by the Court to make decisions for a minor child.

Litigation often arises where the beneficiary of a trust or estate believes that his or her interests are not being adequately protected or represented. 

For many people, an ownership interest in a business may be their greatest asset.

Vulnerable elderly individuals who rely on others to attend to their daily needs may find themselves the victim of elder abuse and neglect.

If you do not have a will or a trust, California state law will govern who receives your assets after your death.

Probate is the process by which a court supervises the transfer of legal title of property from the person who has died to his or her beneficiaries. 

In certain circumstances, a probate is not necessary to transfer property after a person’s death

Unlike a will (or an estate without any estate planning), a trust may be administered without Court supervision, depending on the terms of the trust.


If you or someone you know needs legal assistance or just has some questions, we invite you to contact us at 760.340.6665 or We greatly look forward to being of service.

Rancho Mirage location: 

Cosgrove, Humphrey & Weisman

41-604 Indian Trail Rd., Suite 2

Rancho Mirage, CA 92270

Contact us for a consultation.

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