Copyright law duration

If no application was filed for renewal, the work would enter the public domain after the initial 28 year term.
The current copyright law has extended the renewal term from 28 to 67 years for copyrights that existed as of January 1, 1978, making these works eligible for a total term of protection of 95 years.
The term of copyright for a particular work depends on several factors, including whether it has been published, and, if so, the date of first publication.
As a general rule, for works created after January 1, 1978, copyright protection lasts for the life of the author plus an additional 70 years.

For an anonymous work, a pseudonymous work, or a work made for hire, the copyright endures for a term of 95 years from the year of its first publication or a

The term of copyright for a particular work depends on several factors, including whether it has been published, and, if so, the date of first publication. As a general rule, for works created after January 1, 1978, copyright protection lasts for the life of the author plus an additional 70 years.

How long before a song is public domain?

The length of copyright protection varies from country to country, but music, along with most other creative works, generally enters the public domain fifty to seventy-five years after the death of the creator.
Generally, copyright separately protects "musical compositions" (melodies, rhythms, lyrics, etc. as written in sheet music) and "sound recordings" (performances as recorded in audio files, CDs, and records).

How long is a copyright?

How long does a copyright last.
The term of copyright for a particular work depends on several factors, including:

whether it has been published

and

if so

the date of first publication.
As a general rule, for works created after January 1, 1978, copyright protection lasts for the life of the author plus an additional 70 years.

Is copyright duration too long?

Yes, far too long.
Life of the author plus 70 years is a vastly greater term than is necessary to accomplish the stated objective of copyright, to create financial incentive that encourages works of authorship.

What is the length of a copyright?

Under the Convention, the duration of copyright depends on the length of the author's life.
Berne specifies that copyright exists a minimum of 50 years after the author's death, while a number of countries, including:

the European Union and the United States

have extended that to 70 years after the author's death.