A copyright typically lasts for how many years?

A copyright typically lasts for the life of the author plus a number of years, which is generally 70 years in many jurisdictions, including the United States. This means that for almost all works, the copyright protection extends for decades after the creator's death, providing a framework that allows the original creator or their heirs to control the use and distribution of the work for an extended period. When this period is taken into account, the duration of a copyright is effectively in the range of 50 to 100 years, making this choice the most accurate in representing the typical lifespan of copyright protection.

The other ranges provided do not align with the current legal framework concerning copyright duration, as they either fall short of or exceed the established norms.