If a company is the author, the duration is 95 years from the year of first publication or 120 years from the year of creation, whichever expires first. Copyright laws protect against copying. The copying does not need to be exact for infringement to be found. A substantial similarity is enough. Independent development is a defense.
Treaties provide for substantially worldwide protection.
Notice has three parts. Next, the name of the author. Finally, the year in which the work was completed. A company can be considered the author of works done within the scope of an employee's duties. A company under certain circumstances can be considered the author of works of independent contractors.