As soon as it is written down, it is automatically protected by copyright. If formal registration is available in your country, you may choose to do so as well.
You can copyright it - just by putting the copyright symbol (a circle with a C inside) on your poem with the date. Like --> Mary Jones(symbol here)2008. Otherwise it's around $10.
Depends on the person who wrote it.
The poem "Peace" by Ralph Spaulding Cushman is in the public domain, as it was published before 1923 and copyright has expired.
"The Twins" poem written by Henry S. Leigh is in the public domain as it was published before 1923 and copyright has expired. You are free to use and share this poem without any copyright restrictions.
1915; it is in the public domain.
A poem is considered a form of literary work and is protected under copyright law as a creative expression of ideas and emotions. The specific arrangement of words and unique structure of the poem are what is protected, rather than the ideas or themes themselves.
You can't patent a song or poem, but you can copyright them to protect your original work. Copyright is automatically granted once the work is fixed in a tangible form (written down or recorded). Registering your copyright with the appropriate government agency can provide more legal protection in case of infringement.
As soon as it is written down, it is automatically protected by copyright. If formal registration is available in your country, you may choose to do so as well.
Penalties for copyright infringement vary from country to country; in the US, fines range from $750 to $30,000.
You cannot use a modified version of Agatha Christie's poem legally as her work is still under copyright protection. Copyright protection typically lasts for the author's life plus 70 years, so you would need to seek permission from the copyright holder or estate to use any part of her work in your fanfiction.
Written in 1871, the poem is in the public domain. Lear's 1888 illustrations are also in the public domain.
Ramanujan's works are administered by Oxford University Press.