I have a question about Apache license. Site in English
https://www.apache.org/licenses/LICENSE-2.0
It's too much to read all of this. I've read it a little bit through search somewhere else.
I've understood this to some extent, but I don't fully understand it, so I'm asking you again!
In using Apache licenses,
Or
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Do I just need to include this?
I'm a little confused about this
Other. In the case of Apache License 2.0, patent rights cannot be claimed even if a patent is included in the program you are developing because there is a provision that explicitly permits patents when used by a third party.
Also, please note that there are restrictions on the use of trademarks such as Apache logo and name.
Finally, Apache License 2.0 is not obligated to disclose the source code and allows distribution to other licenses such as Commercial License and Freeware, so it can be sold and distributed free of charge.
That's what it says. I understand that the contents of the trademark such as the middle logo and name should not be used, but what the above and below mean... I don't know....
The above is
Are you saying that when I made a program using a library with an Apache license and distributed it for a fee, the Apache license side cannot claim a patent for their library? So you can't ask for money? I think that's what it's about. As I summarized the questions, I think the contents below are the same.?
apache
You'll need to create files like README and NOTICE throughout the program you're deploying and include the full Apache license.
And in the case of the source file, you can write it in a summary on the annotation as you put it at the beginning of each file.
The patent relates to the case where the patent contributor (inventor) designates the program (software) as an Apache license, which authorizes others to use the rights to the patent claim in the program covered by the license. However, this clause does not apply to patents that you have not contributed (invented). In this case, it is stated that if the original patentee files a lawsuit, the right to use will be withdrawn immediately. (Regardless of the trial process or outcome, the law means that if a lawsuit is filed with the court, it will be canceled immediately.) In other words, it is not that the patent is not recognized, but an explicit provision that permits the user of the program to use the rights of the patent claim if the contributor designates an Apache license. In other words, "Don't use my patent claim!"I can't say the same thing. This is because this license is an explicit license. This seems to be to prevent the behavior of filing a patent, applying these licenses on purpose, and then filing a lawsuit.
Corrective Answer
For example, Hong Gil-dong is a patent holder who registered the transmission method Q between systems as a patent.
It's a problem in the above situation.
However, another problem above is that Hong Gil-dong developed Qnet and applied Young-hee's compression transmission technology C. Hong Gil-dong has no patent rights for this compression transmission technology C.
It's more complicated if you go to the real problem, but to explain the situation simply, it's the same as above.
Therefore, one of the precautions when using open source is about patent infringement. Most open-source licenses, as discussed at the end, deal with patent infringement in the withdrawal clause, should be well understood, and when pursuing a commercial purpose, consider whether or not there is a patent infringement, especially by the open-source used. This is because, because the source is public, it is much easier for the patentee to claim that the patent right has been infringed.
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