explicit permission. Some rights reserved Implicit permission, if used under certain conditions. No rights reserved Anything is allowed. Friday, November 12, 2010
years! 1928 USA 2023 birth death death + 70 years Sonny Bono Copyright Extension Act (1998) 1998 Copyright Term and the Public Domain in the United States (Cornell Univ.) http://copyright.cornell.edu/resources/publicdomain.cfm http://6nom.sl.pt Friday, November 12, 2010
country to country. ✦ In 20 countries, you still have to include a copyright notice. ✦ After 1989 in the USA, a copyright notice is optional. ✦ The same work may have different copyright terms (depending on the country). http://en.wikipedia.org/wiki/List_of_countries'_copyright_length http://6mu2.sl.pt Friday, November 12, 2010
the nature of the work. Book authors may or may not sell the copyright to publishers. If not, they receive some percentage (royalties) of the book sales. Music has its own rules. An author may earn: ✦ royalties from “print rights” (sheet music); ✦ mechanical royalties (cd’s, tapes, etc.); ✦ performance royalties (performances by bands & artists); ✦ synch royalties (movies, ads, etc.). Must be registered with the Copyright authority to be protected from infringed use. ✦ Portugal: SPA (www.spa.pt). ✦ USA: Copyright office (copyright.gov). ✦ UK: (copyrightservice.co.uk for example). Friday, November 12, 2010
photo you want to use. There’s no indication of license, so you assume it’s copyrighted, thus “All rights reserved”. You contact the owner and ask if you can use it. “Yes, as long as you pay me a bazillion dollars!” Example Friday, November 12, 2010
“If a small percentage of one's copyright get's leaked away, well... tough, frankly.” Stephen Fry in http://www.youtube.com/watch?v=l4nj0a9rgzA http://6n1r.sl.pt Friday, November 12, 2010
you can solve the issue here, you’ve saved yourself time and money. Seek legal advice from a specialist. Find an attorney who works with copyright in your area and doesn’t take you an arm and a leg. ;-) Take the case to a civil court. 1 2 3 Friday, November 12, 2010
for all original works. All copies by other parties must be explicitly authorized by the owner, preferably by writing. Some countries (USA) include a set of fair-uses that allow usage of excerpts without any authorization. E.g.: commentary, criticism, news reporting, etc. Friday, November 12, 2010
property. Allows derivatives. Can’t be claimed or charged. Suitable for government documentation. Works turn to Public Domain when copyright expire. Bliss. Which license should I use? Friday, November 12, 2010
property. Allows derivatives. Can’t be claimed or charged. Suitable for government documentation. Works turn to Public Domain when copyright expire. Bliss. Which license should I use? Friday, November 12, 2010
have to follow to copy the work. Does not require an explicit authorization. Conditions might be: ✦ No commercial use allowed; ✦ Must always acknowledge/attribute to the owner; ✦ Whatever you do with the work, must be made available under similar license (copyleft); ✦ Can’t create derivative works. Which license should I use? Friday, November 12, 2010
include attribution somewhere. nc noncommercial Can’t be used commercially, used to make profit. sa share-alike Must be available through a similar license. Copyleft. nd no derivative works Doesn’t allow creating derivative works. Friday, November 12, 2010
include attribution somewhere. nc noncommercial Can’t be used commercially, used to make profit. sa share-alike Must be available through a similar license. Copyleft. nd no derivative works Doesn’t allow creating derivative works. You can mix these and come up with a tailored license for your content. Friday, November 12, 2010
should I use? <a rel=“license” href=“http://creativecommons.org/licenses/by-nc/3.0/”> this is licensed under cc-by-nc 3.0 </a> Friday, November 12, 2010
should I use? <a rel=“license” href=“http://creativecommons.org/licenses/by-nc/3.0/”> this is licensed under cc-by-nc 3.0 </a> off topic Google Rich Snippets testing tool http://www.google.com/webmasters/tools/richsnippets http://6oic.sl.pt Friday, November 12, 2010
is transferred to end-user. Copyright remains with the original copyright holder. End-user doesn’t have to accept license. User must accept and respect conditions if he/she wants to benefit from additional rights (besides usage). Copyleft: derived works must be licensed similarly. Publisher allows a certain usage (EULA). Ownership remains with publisher. End-users must accept the licenses to even use it. Which license should I use? Friday, November 12, 2010
license should I use? GPLv3 (copyleft & restrictive) MIT (permissive & compatible with GPL) BSD (permissive & compatible with GPL) Each copy must include (or give access) to its source code + license must not be changed or removed, always GPL. Cannot be used in proprietary software. Do whatever you want, just don’t say you did all the work or sue previous authors. You are free to distribute and/or adapt, but the license must always be included. Friday, November 12, 2010
license should I use? GPLv3 (copyleft & restrictive) MIT (permissive & compatible with GPL) BSD (permissive & compatible with GPL) Each copy must include (or give access) to its source code + license must not be changed or removed, always GPL. Cannot be used in proprietary software. Do whatever you want, just don’t say you did all the work or sue previous authors. You are free to distribute and/or adapt, but the license must always be included. Further reading http://www.gnu.org/licenses/license-list.html http://6px5.sl.pt Friday, November 12, 2010
happen to your work. Why stop re-use altogether because of the non-attributors? If you have a problem with someone making a profit out of your work, use a non-commercial license. They can still ask for your permission. If you want to make a name for yourself, artistic-wise, here’s a tip: ✦ Don’t publish all your good stuff on the web. ✦ Leave something for the art galleries. ✦ But what you do publish on the web, promote re-use, remix with attribution. some closing thoughts Friday, November 12, 2010