Originally posted by Zan Lynx
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GPL is closer to a NDA contract where you have been authorised to keep copies of stuff under particular conditions and a NDA contract like that cannot be breached by using copyright law either.
So the idea of using USA copyright law to loop hole GPL went straight out the window with that recent USA case. Nothing of copyright law in fact applies to the terms in GPL because GPL does not forbid you from doing what copyright exceptions allow and copyright law does not void conforming contracts. So this means open source licenses since they are contracts of this type are a heck load more enforceable because you have the full force of contract law to enforce them.
Originally posted by Zan Lynx
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The act of running the Program is not restricted
This include in gplv2 clause 0 would not need to be there if it was not a contract because copyright law would cover it.
GPLv3 makes this clause way clear.
This License explicitly affirms your unlimited permission to run the unmodified Program.
Please note GPLv2 means exactly the same just not written in as clear of english as GPLv3 is. Yes your permission to run is only if the program is unmodified so even in memory patching triggers GPL as a modification so requiring you to agree to terms of GPL unless you can prove the alteration is a independent work.
Since GPL is contract not copyright and contains no clauses preventing you performing the actions allowed under copyright law you have to obey every section of the GPL contract and all loop holes have to be found in the GPL contract wording itself so you cannot argue points of copyright law like fair usage as they don't apply to GPL.
Copyright law kicks in when the license on the product prevents you from doing stuff not a contract that adds extra conditions if you want to do stuff that you can perform at no cost/low cost. So the recent ruling suggests copyright law does not kick in at all on open source licenses. This could include the change to public domain after so many years as well. So open source license might be truly immortal.
GPL contract covering Copying, Modifying and Distribution is a very hard thing to loop hole so more often than not it will be enforceable.
Basically GPL being contract and not breaching any part of copyright law is a big thing. Changes how GPL has to be treated in a big way because you cannot use copyright law to get around GPL any more. Its a mistake to reference copyright law when thinking about GPL from the rulings in that past case.
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