PREPOSITIONS. Choose the right preposition in brackets according to the contents of the sentences (without,of,from, for,by, after) 1. Literature, computer programs, artistic works cannot be patented ,by they can be protected ... copyright.
2 In most countries ,such work is automatically protected when it is created; there is no need to apply .. or to register copyright.
3In recent years it has been difficult for intellectual property law to prevent neworiginal work... copying and to keep pace with technological change.
4 the laws of intellectual property usually require anyone wanting to copy something to ask permission from the holder .. the patent copyright
5 In Britain, .. instance,the 1988 copyright and patent act covers a work of music drama, computer software .. 50 years after the authors death

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