Not in every country, and secondly if you're basing it on life of the author then that does't solve corporate copyright unless you tie it to the live of a particular employee.
You could do "life of author or X years, whichever is longer". Or include a period after death.
You could do "life of author or X years, whichever is longer". Or include a period after death.
But you see how the complexities come in.