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For questions about the content and placement of license, copyright, and disclaimers

5 votes
Accepted

Is using the GPLv3 without putting a license notice in each source file OK?

The GPL FAQ indicates this is legally valid but not advised for practical reasons: A clear statement [about GPL licensing] in the program's README file is legally sufficient as long as that accompani …
apsillers's user avatar
  • 37.7k
8 votes

Can I skip the end of term for my license in the preamble of my source code?

Putting "now" is a bad practice since it will necessarily become inaccurate over time. Even if you continue to update your work and remember to change "now" to a specific year whenever you make your f …
apsillers's user avatar
  • 37.7k
5 votes
Accepted

Can i use website domain as author for open source license?

First, modern copyright law imposes no requirement to include a copyright notice whatsoever. You could include no copyright notice, and your work would be just as covered by copyright law as a work wi …
apsillers's user avatar
  • 37.7k
10 votes

CC-BY "inheritance"?

If downstream users of your project distribute it without including attribution for the CC-BY-licensed work, they are in violation of the terms of that CC-BY-licensed work. This is an obligation that …
apsillers's user avatar
  • 37.7k
7 votes
Accepted

Use LGPL code in an AGPL project

This is a little tricky because the LGPL and AGPL are not strictly compatible. For LGPL code that is linked to AGPL code, compatibility is not required, because LGPL-licensed can be linked to anything …
apsillers's user avatar
  • 37.7k
8 votes
Accepted

google_font license (Apache2.0) has no Copyright what to do?

Section 4(c) lists the only obligations you have with regards to copyright notices: You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, …
apsillers's user avatar
  • 37.7k
6 votes
Accepted

Why copyright notices in source files?

Files and authors can have many-to-many relationships: a file may have many different authors. I suppose you could enumerate the list of copyrights of each and every file in a master list somewhere, b …
apsillers's user avatar
  • 37.7k
4 votes
Accepted

Is declaring something one made as "free software" legally binding?

You should certainly remove the statement from your distribution going forward, but here are several points to consider to put your mind at ease about your past mistake: "Free software" is not a leg …
apsillers's user avatar
  • 37.7k
3 votes
Accepted

What entities are eligible to copyright a project?

Only a legal entity can hold a copyright. However, it is worth noting that your copyright notice is not legally significant, since it has virtually no legal effect. Generally speaking, in an overwhelm …
apsillers's user avatar
  • 37.7k
42 votes
Accepted

Is it legal to have the "// (c) 2019 John Smith" header in all files when there are hundreds...

As far as I am aware, all FLOSS licenses that deal with copyright notices only require the preservation of notices that exist. Each author had the opportunity to add their own name to header when they …
apsillers's user avatar
  • 37.7k
11 votes

What is the correct way to add license information to source code?

From a legal perspective: You should attach licensing information to a file in such a way that you cannot successfully deny that you intended to license the file under those terms. Suppose, at some po …
apsillers's user avatar
  • 37.7k
3 votes
Accepted

What are my license (or giving-credit) obligations regarding open source software?

Since you don't distribute the software, you have no distribution-related obligations. (However, double-check if this really true. Notably, if you're running a Web service, check if any licensed code …
apsillers's user avatar
  • 37.7k
3 votes

How the big open source firm guarantees their rights

In any nation that is signatory to the Berne Convention, copyright (i.e., a monopoly on redistribution, derivatives, public display, etc.) is automatically in force for the author of a creative work. …
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  • 37.7k