Signatories to the Berne Convention must protect materials for a minimum of 50 years after the death of the creator; some countries, such as the United States, have increased this to 70 years.
In the Philippines, copyright protection generally lasts for the lifetime of the author plus 50 years after their death. If the work is a joint creation, the copyright lasts for 50 years after the death of the last surviving author. For works created by corporate authors or anonymous works, the copyright lasts for 50 years from the date of publication, with a maximum term of 75 years from creation. After these periods, the work enters the public domain.
"Celebration" will be protected by copyright until 70 years after the death of the last surviving co-author, of which there are 10.
Generally, at least under US Law, copyright protection extends 70 years past the death ot the author/creator of the work.
The copyright of a work lasts the life of the author plus 50 years from the end of the calendar year of death. If there is more than one author, the above rule applies to the last author to die.
New works are protected for the life of the author plus 50 years in most countries (the US has extended this to 70 years).
In Great Britain copyright in literary, dramatic, musical and artistic works expires 70 years after the death of the author. Where the work has more than one author, the copyright expires 70 years after the death of the last surviving author. The publisher's copyright for the typographical arrangement of a published work is 25 years from the end of the year in which that publication occurred. This protects a publisher's copyright in all types printed works including books, magazines, newspapers, and any other periodicals. this is commonly applied to recordings and video as well.
An anonymous work that is registered with the US Copyright office will receive the same protection as as any other work. It's duration will vary depending on if the author reveals and verifies his or her identity. It the author remains anonymous, the duration will last 95 years from the initial publication or 120 years from the creation of the work according to 17 U.S.C §302(c). If the author does reveal and verify their identity the copyright duration will be the life of the author plus 70 years.
Under current US law life of the author +70 years or in the case of work-for-hire 95 years post publication
95 years from creation.
A million trillion years baby.
Copyright term for software in India is 60 years from the date of publication.
Generally 95 years from the date of publication, in the USA, less or more if created and published in other countries (i.e., 50 to 70 years after death of the author).