Assuming the material was created and first published after 1977, it would be 70 years for works authored by a person, 95 years after publication for corporate works and 120 years from creation of a corporate work, if that would be earlier than 95 years after publication.
For works prior to that, there are numerous dependencies including when it was created, when it was published, the nationality of the author, whether it was published abroad, whether the publication included copyright notices, whether the copyright was registered in the USA, and whether it was renewed. Works published prior to 1923 are in the public domain, as are works published prior to 1977 without proper copyright notice.
It varies by country but generally it is in effect for the life of the author plus 70 years.
Titles are not covered by copyright. They are trademarks and last as long as they are being used.
The "first copyright" was granted by the monarchy, and lasted as long as the author or artist had favor with the court.
Copyright lasts for the life of the creator plus 70 years.
95 years from creation.
Copyright term for software in India is 60 years from the date of publication.
95 years from publication.
In the United States, copyright protection generally lasts for 70 years past the death of the original author.
In the US generally 70 years past the death of the creator.
Names, titles, and common words/phrases are not eligible for copyright protection. Under some circumstances they can be registered as trademarks, however.
Generally, at least under US Law, copyright protection extends 70 years past the death ot the author/creator of the work.
Works are protected for the life of the creator plus 50 years.
In Australia, protection exists for the life of the creator plus 70 years.
Strikes may be removed after 6 months, as long as no other infringing activity happens during that time.
Copyright can be bought, sold, or transferred at any time during its duration.
Start by trying to determine the date, who was the photographer (or photographer's employer), and whether the photograph was ever published. Then see the related question, "How long does a copyright last?"
The copyright date in the Last Olympian is 2009. It doesn't give an exact day, it only says the year. This is what it says exactly, "Copyright C (C is in a circle) by Rick Riordan".
Until 2005, works were protected for the life of the creator plus 50 years. This was extended to life plus 70 years, but copyright was not revived on works that were already in the public domain.
A long time
In New Zealand, copyright on most works lasts for the life of the creator plus 50 years. The publisher holds rights on the typography of the published edition for 25 years.
The life of the creator plus 70 years; works created by a business are protected for 95 years.
Sound recording copyright is particularly convoluted, since prior to 1972 they were covered by state law, and each state was different. Please see the Hirtle chart of copyright term at the link below; sound recordings are addressed about halfway down the page.
Under current US Copyright law, the copyright would expire 70 years after the death of the rights holder. This assumes it was published after 1977 and was authored by an individual. If it was a work for hire, or published (with copyright notice) prior to 1978 but not prior to 1923, it would have a copyright duration of 95years. Works published prior to 1923 have no copyright. Unpublished photographs were given retroactive copyright as of 1978: 70 years after death of a known author, 120 years after anonymous creation or works for hire.
Technically, it does have copyright, but they have allowed you to use it as long as you give them credit.