how paid libraries are licensed and activated ?

[Soewono Effendi]

I'm wondering how paid libraries are licensed and activated ?
If I use such library and I put this EA on market as paid product, do buyers of my EA also have to license / to buy the library license ? 

[link to the Market product was deleted by moderator]

I found nothing in the forum after trying to search about this topic, but probably I was using wrong keywords.

Any reference and/or information is appreciated.

[Sergey Golubev]

I can not help much sorry.
I can only provide some general information about - 

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1. Where can I see my purchases? 
https://www.mql5.com/en/forum/9950/page70#comment_2564931  

2. How to Install an Earlier Purchased Application
https://www.metatrader5.com/en/terminal/help/market/market_buy

3. Market rules

[Soewono Effendi]

It would encourage developers when it is clear how to monetize.
Any clarification is appreciated.

[Alain Verleyen]

Soewono Effendi:

I'm wondering how paid libraries are licensed and activated ?
If I use such library and I put this EA on market as paid product, do buyers of my EA also have to license / to buy the library license ? 

[link to the Market product was deleted by moderator]

I found nothing in the forum after trying to search about this topic, but probably I was using wrong keywords.

Any reference and/or information is appreciated.

You can't place an EA on the market which use a library, even one you did yourself. And by no way one you bought.

[Soewono Effendi]

Alain Verleyen:
You can't place an EA on the market which use a library, even one you did yourself. And by no way one you bought.

Interesting ... any reference to this claim ?

Why encourage people to make libraries if it is not marketable ?
If this is true,
A HUGE WARNING about this POLICY / LIMITATION on the library section would be appreaciated.

[Sergey Golubev]

Soewono Effendi:

Interesting ... any reference to this claim ?

Why encourage people to make libraries if it is not marketable ?
If this is true,
A HUGE WARNING about this POLICY / LIMITATION on the library section would be appreaciated.

There is no limitations because you can use it for your self with no limitation.
You just can not re-sell it back to the Market.