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35

There are several sections of the Unity End-User License Agreement (which is for version 4.x as I write this, although earlier versions are similar) that pertaining to this issue. The most directly relevant is section 3, which reads (in part): You will not delete or in any manner alter any Unity or third-party copyright, trademark or other ...


26

I am not a lawyer, and you should seek out an actual lawyer for a proper legal consultation. That said, the terms of the license seem pretty clear. You may cancel your subscription, at which point you are not entitled to future updates of the engine, but you can still use the version you have: After cancellation of your Subscription by either you or ...


15

The likelihood of this approach producing the results you want is effectively zero. First, if you have built your prototype using the actual IP, then you have almost certainly committed (in most jurisdictions) copyright infringement or some similar IP law violation -- it doesn't matter that you have kept the project private. It's unlikely that the IP holder ...


13

People I have worked with have done this before. First time: programmer who worked for me made a PC version of a board game (I made some art for it just because it was a fun little project). This was 25 years ago. He approached the rights holders, a large toy company. They had no idea what to do with the game, and after a few months of considering it they ...


11

Even though hacking the APK seems easy but it will definitely not run, the other option I believe is to upgrade to the Unity Pro version and I found on some research onto it. See links: Answer from the Unity 3D page Forums Documents about splash screen


9

From the Unity FAQ: Can we sell games and make money with the free version of Unity? Yes you can create and sell a game with the free version of Unity, without paying royalties or any revenue share. However, the free version of Unity may not be licensed by a commercial entity with annual gross revenues (based on fiscal year) in excess of ...


4

When in doubt, always talk to a lawyer. People on this website are not qualified to give legal advice. That includes me, so don't come back and sue me for giving you incorrect information. That said, you have to copy something to be breaking any copyright laws. If you're using the music files in-place on the player's computer, you can't be infringing on any ...


4

Regarding using names When one releases a game commercially, they usually register a trademark for that name and product category. When one registers a trademark, nobody else may use that name for their product, when that product falls into the same product category. You can use the patent trademark database of the US patent and trademark office to check if ...


4

The final shipped game generally looks better than the earliest footage, but our audiences aren't always sensitive to that when evaluating early peeks at a game. These lines aren't legal protection so much as a gesture to temper the "this game looks like shit" reaction. By overlaying it on the frame, they ensure that if any secondary source - like a video ...


3

The names of sports teams names are usually trademarks of their owning corporation or entity, as are the logos. You cannot use them as teams in your games without permission. This is a legal matter; you should contact your lawyer for definitive advice.


3

To add to Josh Petrie's answer when you want to use someone's copyright you have to negotiate with them, if you already have your game you can't really go back and will have to take whatever deal they offer you and they know this. This makes first making a game and then getting copyright a great way to lose any potential income/be forced to ask money for it ...


2

So far I've encountered the term "Donation" for "Cash shop payment" only among amateurs who host smaller games in their free-time (often half-legal private servers which emulate the server software of commercial MMORPGs). Anyone who is an actual professional uses the term "payment" and is proud of it. Many amateur MMORPGs want to keep up the image of a ...


2

When you reproduce a song yourself (making a cover song and not using the original recording), you owe a royalty to the composer of that piece. If you want to use your version without breaking the copyright and paying anything, you need a written permission from the composer. Since you are reproducing the song this license is called a mechanical license. It ...


2

Concepts are not copyright, assets are. Names are also not copyright, but they can be trademarked. Logos are copyright. In the U.S., you don't have to apply for copyright, it is implicit when you create content. You can make whatever you want as long as you are not copying assets or infringing upon trademarks. You can rip as many ideas as you like. Ideas ...


2

Disclaimer: IANAL! (I am not a laywer!) A very strict definition of a commercial application is "an application made with the intent to earn money". Clearly adds are inserted into game to make money, so if the license on the icons disallows commercial use you cannot use them.


2

I have spoke to the "right people" at a couple of studios that own IP for large/successful IP typically in the TV/film space, and asked them if they want to use their IP in one of our super, cool, amazing, etc. projects - a great opportunity for them I thought. Their response has been go off and make the game with our own IP, when it has been a proven ...


2

When you don't want any problems with anybody, don't copy other peoples intellectual properties. Even when you assume you are technically in the right (fair use, notable differences and all), they might still sue. In most parts of the world, civil lawsuits aren't like criminal lawsuits. You won't get an attorney for free and defending yourself as a ...


1

Anything derived from using a CC-BY-SA licensed work should be distributed under the same license. This includes the edited image and the work it is used in. Since you are mixing it with other things (other images, music, code) to create a new work (a game), the new work should carry the same license. In short, if you use a CC-BY-SA licensed image to make a ...


1

http://creativecommons.org/licenses/by-sa/4.0/ according to this website you can use it commercially but it needs to have same license, see the sharealike. i don't know about game but website will be i think totally legal, if you of course upload edited image with cc license but please ask someone else too. I'm not expert in licenses


1

the code that they write would access some parts of my engine through Jython, and so I assume those would have to be released under the GPL I do not understand what makes you think so. Jython is not covered by GNU GPL and never was; its current release is under terms of Python Software Foundation License, which seems to be a lax permissive non-copyleft ...


1

No. The GNU Public License is intentionally a viral license, which means derivative works must be distributed under the GPL also. Using your code as a library is a derivative work. Hence users of your game engine would need to release their game under the GPL also. If you want to let your users choose a different license for their derivative work, but ...


1

No, not generally. Not without permission. Gambling and stats sites are a different case. There's a difference between using someone's name in a factual article about that person and using their name and likeness in a FIFA-like game. Minor spelling variations are not enough, otherwise we'd all be playing Lorrd of teh Ringz games.


1

There is no legal obligation to do so. There is no Apple TOS obligation to do so. And I will disagree with the other answer and say: There is no moral obligation to do so. The only way to know why they decided to put this message up would be to ask them. But I suspect it is to let people know that they can buy IAPs to speed things up. It's advertising. On ...


1

Due to the End-User License Agreement, the written authorization is required from Unity Technologies, but it is "possible" to change the Unity's native splash screen. The way of doing it is to produce your "own version" of the Unity trademark and propose it directly to Unity for the specific IP you're developing. They will require that you own a legal Pro ...



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