scl open source (15 10-2010)
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TRANSCRIPT
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Are licences for open source risk free and
simple - or a potential pitfall for the unwary?
Martin von Haller Groenbaekpartner, Bender von Haller Dragsted
SCL 10th Annual Conference - 15 & 16 October 2010The Software Symposium
mandag den 18. oktober 2010
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–Attorney-at-law, Bender von Haller Dragsted–Co-founder, Open Source Vendors Ass. (OSL)–Editorial board IFOSSLR–Co-founder, Creative Commons DK–Co-founder, Danish Internet Society Chapter–Legal advisor to Umbraco and Composite–Experience with GPL enforvement in Denmark
2
mandag den 18. oktober 2010
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–http://www.bvhd.dk–http://openlife.dk–http://www.vonhaller.dk–http://www.linkedin.com/in/vonhaller
–http://www.23hq.com/mhg–http://www.slideshare.net/vonhaller
–http://www.facebook.com/vonhaller
–[email protected]–[email protected]–[email protected]
mandag den 18. oktober 2010
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Licenses are never risk free
mandag den 18. oktober 2010
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Licenses are never
simplemandag den 18. oktober 2010
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# 1 Are Open Source
licenses more simple than
proprietary licenses?
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# 2 Are Open Source
licenses more risky than other types of
license?
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Answer # 1OSS licenses are
both more simple and less simple
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Answer # 2OSS licenses are
mostly less risky than other licenses
mandag den 18. oktober 2010
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Simplicity
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#1 level:Much more simple
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Developers are familiar with
the most used OSS licenses
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Users get freedoms,
not restriction
mandag den 18. oktober 2010
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# 2 level:More
complexity
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Full disclosure:I don’t understand
LGPL v2
mandag den 18. oktober 2010
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Challenge:OSS licenseproliferation
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Risk
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Risk elementsassociated
with in particular Open Source
licenses
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3 aspectsof risk
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# 1Aspect
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Patent trolls
mandag den 18. oktober 2010
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# 2Aspect
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No warranties in Open Source
licensesmandag den 18. oktober 2010
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De Factosame value of
warrantiesin proprietary
licenses
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No corporate support of
Open Source software
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De Factosame value of
corporate backingof proprietary
software
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More corporate support for important open source project
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Market=
Supportmandag den 18. oktober 2010
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Vendorindependence!
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# 3Aspect
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Permissive vs. reciprocal
(hereditary) licenses
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Permissive licenses carry
little riskmandag den 18. oktober 2010
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mandag den 18. oktober 2010
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Copyleft
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Modified code shall be released under the same license as Original code
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What is a modification?
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Derived works
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Mozilla Public License
mandag den 18. oktober 2010
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File levelmodifications
mandag den 18. oktober 2010
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GPL
mandag den 18. oktober 2010
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Linking
mandag den 18. oktober 2010
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Distribution
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Canceror
Viral effect?mandag den 18. oktober 2010
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Not a contract but a license
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Comply or stop use
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Damages?
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Compensation under copyright law(Scandinavian law)
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No obvious
lossmandag den 18. oktober 2010
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Different business model
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Different attitude
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No case law
on copyleftinfringement
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GPL is enforceable
mandag den 18. oktober 2010
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Give access
mandag den 18. oktober 2010
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Give credit
mandag den 18. oktober 2010
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3 trends
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#1Copyright
trollsmandag den 18. oktober 2010
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#2Cloud and
SaaSmandag den 18. oktober 2010
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“Service” is not distribution
mandag den 18. oktober 2010
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Copyleft not triggered
mandag den 18. oktober 2010
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User of a Webapp is not open source
licensee mandag den 18. oktober 2010
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#3Open Source
4.0mandag den 18. oktober 2010
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Open Source business models
evolvemandag den 18. oktober 2010
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“Open core”
mandag den 18. oktober 2010
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Vendor controlled
codemandag den 18. oktober 2010
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Proprietary code and services on
top mandag den 18. oktober 2010
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Open source 4.0 returns to the
bazaarmandag den 18. oktober 2010
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More companies share and work
togethermandag den 18. oktober 2010
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Non competitive and
non-differentiating code
mandag den 18. oktober 2010
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Sharing of development and maintenance
costmandag den 18. oktober 2010
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Less reason to control and
excludemandag den 18. oktober 2010
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More permissive
licensesmandag den 18. oktober 2010
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Conclusion:(by far)
Less riskymandag den 18. oktober 2010
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Thank you!
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mandag den 18. oktober 2010