On 4/13/2010 12:32 PM, Alexander Terekhov wrote:
The contract laws recognize a concept called "efficient breach"
which *encourages* breach of (enforcable) obligations if it's
economically efficient to do so.
However, copyright law provides for injunctions to prevent ongoing
infringement, so it does not matter if it would be more beneficial
for the infringers to continue infringing. They will be prevented
from doing so.
<http://www4.law.cornell.edu/uscode/17/usc_sec_17_00000502----000-.html>
ยง 502. Remedies for infringement: Injunctions (a) Any court having
jurisdiction of a civil action arising under this title may, subject
to the provisions of section 1498 of title 28, grant temporary and
final injunctions on such terms as it may deem reasonable to prevent
or restrain infringement of a copyright.