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Karol Bronke – Copyright & Open Source Licenses
Copyright
&
Open Source Licenses
2
Stuttgart Media
University
Course
„Property rights and
patents “
Presentation by
Karol Bronke
Master
„Computer Science
a...
3
IANAL
I am not a lawyer !
This is no legal advice !
Disclaimer
Karol Bronke – Copyright & Open Source Licenses
4Karol Bronke – Copyright & Open Source Licenses
Agenda
5
Copyright
Karol Bronke – Copyright & Open Source Licenses
• Protects ‚personal intellectual creation‘
• Literary work, p...
6
Copyright
Karol Bronke – Copyright & Open Source Licenses
• A protected work can basically only be used by his
author
• ...
7
Copyright
Karol Bronke – Copyright & Open Source Licenses
Problem: What is a distribution via download on a server?
subs...
8
Copyright on computer programs
Karol Bronke – Copyright & Open Source Licenses
• Explicitly literal work ( protectable)...
9
Utilization rights
Karol Bronke – Copyright & Open Source Licenses
temporal spatial type
charge money once or periodical...
10
International
Karol Bronke – Copyright & Open Source Licenses
• Territorial principle
• ‚writ of law‘
• ‚Berne Conventi...
11
Law of contract
Karol Bronke – Copyright & Open Source Licenses
• Normal contract between author and objector
is possib...
12
Law of license
Karol Bronke – Copyright & Open Source Licenses
• Mostly about regulation of the authors duties to
allow...
13
License, EULA, AGB
Karol Bronke – Copyright & Open Source Licenses
• Distribution rights
License
• Usage restrictions
E...
14
Open Source Licenses
Karol Bronke – Copyright & Open Source Licenses
Problem: German law
– You cannot quit from your co...
15
General Public License
Karol Bronke – Copyright & Open Source Licenses
• Most common open source license (50-70%)
• Mos...
16
General Public License
Karol Bronke – Copyright & Open Source Licenses
• You may copy and distribute verbatim copies of...
17
General Public License
Karol Bronke – Copyright & Open Source Licenses
• Basic duty: With every Copy you have to
distri...
18
Apache License
Karol Bronke – Copyright & Open Source Licenses
• You are allowed to freely use, distribute and modify s...
19
Apache License
Karol Bronke – Copyright & Open Source Licenses
20
Berkeley Software Distribution
Karol Bronke – Copyright & Open Source Licenses
• You are allowed to freely use, distrib...
21
MIT License
Karol Bronke – Copyright & Open Source Licenses
• Massachusetts Institute of Technology License
• Other nam...
22
Mozilla Public License
Karol Bronke – Copyright & Open Source Licenses
• Main goal  licensing browser and tools
• Copi...
23
Other licenses
Karol Bronke – Copyright & Open Source Licenses
• Common Development and Distribution License CDDL
• Ecl...
24
Compatibility
Karol Bronke – Copyright & Open Source Licenses
• Not all licenses are compatible to each other
• Main di...
25
Legal obligation
Karol Bronke – Copyright & Open Source Licenses
• Many different cases
• Mostly obligatory under law o...
26
Contact:
Karol Bronke
karol.bronke@hdm-stuttgart.de
Thank you!
Karol Bronke – Copyright & Open Source Licenses
27
• www.fsf.org
• www.gnu.org
• http://www.opensourcejahrbuch.de/Archiv/2005/2005/abstracts/2004/pdfs/IV-
3-KoglinMetzger...
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Open Source Licenses

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my presentation about open source licenses

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Open Source Licenses

  1. 1. Karol Bronke – Copyright & Open Source Licenses Copyright & Open Source Licenses
  2. 2. 2 Stuttgart Media University Course „Property rights and patents “ Presentation by Karol Bronke Master „Computer Science and Media“ Karol Bronke – Copyright & Open Source Licenses
  3. 3. 3 IANAL I am not a lawyer ! This is no legal advice ! Disclaimer Karol Bronke – Copyright & Open Source Licenses
  4. 4. 4Karol Bronke – Copyright & Open Source Licenses Agenda
  5. 5. 5 Copyright Karol Bronke – Copyright & Open Source Licenses • Protects ‚personal intellectual creation‘ • Literary work, poems, music, movies, academic drawings,… and computer programs • No trivial content • No formal deed needed • Protects the relationship between author and his work • Protects the usage of his work
  6. 6. 6 Copyright Karol Bronke – Copyright & Open Source Licenses • A protected work can basically only be used by his author • BUT he can grant usage rights to other people, possibly by charging money • Basic usage right granted for – Information and educational usage – Private copy – …
  7. 7. 7 Copyright Karol Bronke – Copyright & Open Source Licenses Problem: What is a distribution via download on a server? substantially • multiply, disseminate, rent on medium insubstantially • Public presentation, broadcast without a medium Public availability • Distribution via download from a server Utilization rights
  8. 8. 8 Copyright on computer programs Karol Bronke – Copyright & Open Source Licenses • Explicitly literal work ( protectable) • Special paragraph for computer programms that are executable • Digital music, pictures etc. are not protectable • Computer programms created in employment contracts  Utilization right belongs to employer
  9. 9. 9 Utilization rights Karol Bronke – Copyright & Open Source Licenses temporal spatial type charge money once or periodically
  10. 10. 10 International Karol Bronke – Copyright & Open Source Licenses • Territorial principle • ‚writ of law‘ • ‚Berne Convention for the Protection of Literary and Artistic Works‘ • Protection of foreign work
  11. 11. 11 Law of contract Karol Bronke – Copyright & Open Source Licenses • Normal contract between author and objector is possible  general terms and conditions • Still copyright on the work itself
  12. 12. 12 Law of license Karol Bronke – Copyright & Open Source Licenses • Mostly about regulation of the authors duties to allow usage of his work • EULA – End User License Agreement – are provided by the author • Core of licence contract in case of doubt for the author in minimal scope • General terms and conditions in case of doubt against the author
  13. 13. 13 License, EULA, AGB Karol Bronke – Copyright & Open Source Licenses • Distribution rights License • Usage restrictions EULA • About the contracts conditions and requirments General terms and conditions
  14. 14. 14 Open Source Licenses Karol Bronke – Copyright & Open Source Licenses Problem: German law – You cannot quit from your copyright Solution: open source license statements – allowance to use/distribute by concomitantly – impose duties
  15. 15. 15 General Public License Karol Bronke – Copyright & Open Source Licenses • Most common open source license (50-70%) • Mostly accepted by German law – But few critical cases known • Current version 3.0, but 2.0 still used • Diverse possible variations – LGPL (for libraries) – GFDL (for documentations) – …
  16. 16. 16 General Public License Karol Bronke – Copyright & Open Source Licenses • You may copy and distribute verbatim copies of the program • You are allowed to change the program and distribute the changed version • You are not allowed to change the licenses text • You have a couple of duties …
  17. 17. 17 General Public License Karol Bronke – Copyright & Open Source Licenses • Basic duty: With every Copy you have to distribute a license • Copyleft: After changing the programm you have to quit from the same rights – Questions for companies: • Which kind of change hits the copyleft? • Does merging two software parts hit the copyleft?
  18. 18. 18 Apache License Karol Bronke – Copyright & Open Source Licenses • You are allowed to freely use, distribute and modify software under this license • If you distribute, you have to name the author and include the license text • Modifications have to be marked noticeably, but you do not have to inform the author • You software cannot be called –apache- • Compatible to GPL 3 • Current version is 2.0
  19. 19. 19 Apache License Karol Bronke – Copyright & Open Source Licenses
  20. 20. 20 Berkeley Software Distribution Karol Bronke – Copyright & Open Source Licenses • You are allowed to freely use, distribute and modify the software under this license • You are not allowed to delete the original copyright • Difference: NO COPYLEFT – If you change a BSD programm you can do whatever you want with it – The new software doesn‘t have to be again under BSD – The source code must not be published • Examples are – FreeBSD (OS) – Mac OS X, …
  21. 21. 21 MIT License Karol Bronke – Copyright & Open Source Licenses • Massachusetts Institute of Technology License • Other names: X-License or X11 License • Allows usage of MIT software either the code is freely accesible or not • License text is changable • Examples – OS Haiku – Ruby on Rails – X Window System (X11) – …
  22. 22. 22 Mozilla Public License Karol Bronke – Copyright & Open Source Licenses • Main goal  licensing browser and tools • Copied or modified code has to be under MPL again • Combinations of MPL code with ‚no-open-source‘ code possible – Depending on the attachment of the components • Very weak copyleft license • Between GPL and BSD • Examples – OpenSolaris (Sun) – AOL Server, …
  23. 23. 23 Other licenses Karol Bronke – Copyright & Open Source Licenses • Common Development and Distribution License CDDL • Eclipse Public License EPL • Educational Community License ESL • NASA open source Agreement NASA • Qt Public license • …
  24. 24. 24 Compatibility Karol Bronke – Copyright & Open Source Licenses • Not all licenses are compatible to each other • Main difference between GPL and GPL related licenses and other open source licenses • GPL forces more or less code to be open • If you combine code, the new code has to be under GPL too  could lead to more & better software • Holy war for year inside of open spurce community
  25. 25. 25 Legal obligation Karol Bronke – Copyright & Open Source Licenses • Many different cases • Mostly obligatory under law of license and law of contract • Usage is excluded from licenses • If you just use it, you don‘t have to cope with licenses • If you distribute, copy or change it, you have to • English license text is not a reason not to follow the licenses condition
  26. 26. 26 Contact: Karol Bronke karol.bronke@hdm-stuttgart.de Thank you! Karol Bronke – Copyright & Open Source Licenses
  27. 27. 27 • www.fsf.org • www.gnu.org • http://www.opensourcejahrbuch.de/Archiv/2005/2005/abstracts/2004/pdfs/IV- 3-KoglinMetzger.pdf • http://www.gnu.org/licenses/license-list.html • Creativecommons.org • www.bpb.de • http://www.heise.de/open/artikel/Open-Source-Lizenzen-221957.html • Freie-software.bpb.de • www.opensource.org/licenses/ Source materials

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