Should I care about copyright?

Why this mini-training ?

Why this mini-training ?

Why this mini-training ?

What is copyright ?

What is copyright ?

• Regulating copy to protect the author
• Economic incentive of creation
  • Exclusive rights of use and distribution
  • Temporary monopoly

Criticism in the light of modern IT

• Non-scarcity
• Cost of enforcement
• Freedom of knowledge
• Useless Incentive
• Benefits to publisher != author

Software copyright and OSS

Heavy usage of OSS

OSS licenses

• OSS != public domain
• Implies some duties
• License terms enforced by copyright law

Comparaison of OSS licenses

https://choosealicense.com/

Comparaison of OSS licenses

Is there any risk to not respect the license ?

Jacobsen v. Katzer

• 2006
• JMRI : model railroad soft
• Artistic License
• Copied by KAM
• Got $100k

Oracle v. Google

• 2012
• Still ongoing
• Java API protected by copyright
• Oracle wants $8.8B

Versata v. Ameriprise

• 2015
• Use of a GPLv2 licensed XML parser
• All software considered as GPLv2 and could be forced to open sources

Conclusion

• Audit your dependencies
• Respect the terms
• Avoid complications :)