Currently, recordings can be copyrighted in Europe for 50 years, a much shorter term than in the United States, where recordings made since 1978 will remain copyrighted until 70 years after the death of the last surviving author.
Under the law, those characters (or songs and other images) will remain copyrighted just as the potential for their use increases sharply with the popularity of new media like digital television, cable services and the Internet.
Some of Barley's remaining copyrights may have also been passed to the printer Thomas Snodham.
The estate, which represents nine indirect descendants of the author, claimed that the characters remain under copyright until the copyright expires on the last few stories in which they appeared.
His diaries, from 1924 to 1945, remain in copyright until the end of 2015.
They are out of print, and while they remain under copyright, the rights holders are unknown or cannot be found.
Hachette, not Google, will determine which of the books covered by the deal — those that remain under copyright but are no longer commercially available — can be scanned.
Of the 60 Conan Doyle stories and novels in "the Canon" (as Sherlockians call it), only the 10 stories first published in the United States after 1923 remain under copyright.
Across the Arab world — where literacy rates remain low, copyright law is hard to enforce, and a print run of three thousand is considered a success — the lack of fiction readers is regularly bemoaned.
In America the copyright regime has changed for works published in 1978 or later, but most works published between 1923 and 1977 remain in copyright for 95 years).Prospero wrote in February 2013 about a lawsuit filed by Leslie Klinger, a lawyer and Holmes expert, who wished to publish a second collection of Holmes-inspired work, edited with Laurie King, an author of detective fiction.
In a statement posted online at Free-Sherlock.com, Mr. Klinger said he was not trying to interfere with the estate's legitimate rights, noting that the stories in the new collection avoided drawing on elements introduced in any of the 10 Holmes stories published after Jan . 1 , 1923which remain under copyright until 2023.
