Legal Definition of Special Power of Attorney: A document in which a person authorizes another person or organization to act on his or her behalf in specific situations | Learn more about the legal definition of special power of attorney and how it can help you make important decisions even when you are unable to do so yourself. A special power of attorney grants someone else specific authority to act on your behalf in designated situations, reducing the risk of financial mismanagement or disputes. Discover various examples of special power of attorney for real estate, medical decisions, and financial matters. Don’t wait until an emergency situation arises – consult with a qualified attorney today to create a special power of attorney that meets your specific needs and protects your interests