When asking the question "What is a Professional Registered Engineer", a typical response will be that it is a term given to professional engineers that have been registered under that title to work in a specific country or State. The United States and Canada are two countries that practice this titling definition.

When providing an answer to the question "What is a Professional Registered Engineer", the response would be that the designated title of Professional Registered Engineer is very special, and is worthy of the authority it provides to place that designation on engineering documents that pertain to the work involved in civil engineering principles that are the responsibility of this titled engineer. These reports, blueprint drawings, or design sketches, and all calculation methods that are used on structures, in the area of building placement, depth ratios, and circumference are adorned with a signature of the Professional Registered Engineer.

When considering a synonymous answer to the question "What is a Professional Registered Engineer?" the answer would be to perceive the signing authority of such an individual as a serious gesture that would relate to the signature responsibilities that are afford that of a notary public. Both of these positions or titles would require the placement of a seal, and the placement of a signature that must be displayed prominently on the documents.

The question "What is a Professional Registered Engineer?" might invoke a response that is protective in nature because the title is protected under State laws. Only engineers that are registered with a State municipality can use this title in business correspondence. Only engineers that are licensed can use this title to perform their work at the Professional Engineering level. This is why the signatures and the application of seals upon documents is required. By applying the signature, the Professional Registered Engineer is accepting responsibility for the accuracy of the information that is contained in each of the engineering blueprints, reports, and mathematical calculations that are performed on structures under the Professional Registered Engineers area of responsibility and authority. Any study that is performed, or estimate provided in the course of performing Professional Engineering work, as well as any design that is created is protected under the legalities of the State in which the Professional Registered Engineer is licensed. The Professional Registered Engineer will be held accountable for its contents at all time by the legal system.

When considering other countries interpretation to the question "What is a Professional Registered Engineer?" the response will be that many countries have licensed professional engineers under other names, but the schooling levels are more relaxed in some cases, and titles differ slightly. In Italy, engineers are required to take a state exam and this is only possible if the possesses a Bachelor's or Master's degree, field undefined. In Asia a professional Registered Engineer would be considered a graduate of Institution of Engineering under Royal Charter. To work as a Professional Registered Engineer in Sweden, you will have to have a Master's degree in Engineering.