What restrictions does the Apache License, Version 2.0 impose on a font when printing?

Question

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habrahabr.ru/post/69780
www.xakep.ru/magazine/xa/103/088/1.asp
en.wikipedia.org/wiki/%D0%9B%D0%B8%D1%86%D0%B5%D0 %...
I read all this.
As best I could, I read this www.apache.org/licenses/LICENSE-2.0.html
And still I did not understand how to use it in relation to fonts.
I'm interested in the Open Sans font in particular, can I use it when printing a company catalog? Do I have to tell someone that I use such a font and how (not write on the back).
In particular, it is written on Habré:

"cons"
- inform Apache about the fact of using source code licensed under the Apache license
- when distributing software, you must place the LICENSE and NOTICE files in the root directory (in each licensed file, all original information about copyrights or patents must be saved, in each modified file information about the changes made should be added)

It's clear that this license was not written for fonts. But still, can someone explain to me?

Answer 1

From the field of reasoning and analysis of Western sources:
- The Apache License is a free software license that does not require the same license of derivative work. This means that code under the license can be used in open, free and proprietary software (like the MIT and BSD licenses).
I translate in general terms:
- This license does not require the use of the same license for derivatives. This means that it can be used in both free / open source products and commercial ones.
Already good.
- It imposes the conditions that in any licensed file, all original copyright, attribution and trademark notices must be preserved. Additionally, with any modified work, a notice of change must be included. Any existing notices of change must also be kept. All of these notices must be distributed in a text file and in the source code or documentation.
Brief translation of the last sentence:
- All these notices must be in the attached text file, open source or documentation.
Now that's interesting.
It follows from this:
- we do not modify the font itself and do not redistribute it (we do not distribute the font on a flash drive along with the booklet).
- accordingly, we only USE it for the production of products (that is, for the manufacture of a layout on a specific computer), which is allowed by the license. If we transfer the layout to print, we will transfer the font itself to the printers along with the license. Everything is legal.
- For complete peace of mind, you can add a mention somewhere. For example, if there is a place on the printed material (booklet, book, etc.) somewhere where there are copyrights, add a mention that the font is such and such + the license is such and such. I think it is not even necessary to put a link to the license. In books, for example, they do this. If this is a business card layout, then wait for the mention. Also, if there is a portfolio site that will host this work, you can also add a mention of the font and license in the description + put a hyperlink to the license itself.
Based on the:
www.smashingmagazine.com/2011/06/14/understanding-...
typophile.com/node/99972
Again, from many years of experience as an art director in the RA, we used both commercial (legally purchased) and free fonts (with different licenses, including Apache). They didn't bother. No more questions or problems :)