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27

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 ...


19

It can be assumed that all non-trivial software contains bugs. Unreal Engine 4 has a bugtracker here. Unity has a bugtracker here. If you browse these sites you can see the many known issues with these engines. The licensing agreements for these engines (and most software generally) will contain clauses similar to this: No Warranty. THE ...


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 ...


13

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 ...


9

Short answer, yes. Of course, only your lawyer can advise you of your legal risk in civil matters like this. However, a reasonable person should not be at risk of brand confusion - which is the question a court would have to answer in that case, as this more aptly falls under trademark which protects symbols identifying things with business value, as ...


9

I'm fairly certain that no, you cannot take legal action against the creators of software because of a bug. I'm not even sure how you get this idea, and what specifically you would sue them for. There are known bugs (as Kelly said), and probably also unknown ones, but you have to think about the likelyhood of you even encountering these bugs, and even then ...


5

There is no requirement. Copyright is automatic the moment you produce a creative work. An explicit copyright notice is optional and not required to claim a copyright later. It is just a friendly reminder of who the copyright owner is and that they care about the copyright of their work. When you want one, you can place it anywhere you like. When someone ...


4

It depends. You should consult a lawyer for each case to be sure (in particular since there are intellectual property laws beyond copyright that may or may not be involved, such as trademarks and - though it is unlikely - patents); I am not a lawyer and this is not legal advice. If you have a character who sneaks around, and you have an Easter egg where ...


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

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

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 ...


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

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

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


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

No. Concepts are not copyrighted. If you use art from another game, that probably is copyrighted. Given how many games actually intentionally copy previous games in very deliberate ways for the purpose of trying to sell well like the other games did, any humorous or nostalgic references should be far safer, as long as they aren't copying specific ...


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

OpenAL is an open standard (meaning anyone can read and use it) with several implementations, some of which are proprietary (generally patent protected). OpenAL Soft is one such implementation which is under the LGPL. Creative Technology maintains another confusingly called just OpenAL, which is now proprietary. You must obtain a license from the developer ...


2

I am not a lawyer, but as a software developer and occasional artist, I've investigated this a bit so I know what I can do to protect my work and also so I don't accidentally screw myself over. While it would help to know what country you're in, because different countries have different laws that may also affect you, I'll make an attempt at answering your ...


1

Hmm, you raised an actually interesting point there, but what do you actually mean by the term legal action? That does matter a lot in this case. And another thing, the creators of those engines aren't forcing you to use their engines. So it won't be possible that you can take an action on them. The only thing that you are able to do is to report a bug to ...


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

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

I'm not sure about international public domain, but there are ways you can circumvent this problem entirely. Certain things, like for instance most fairytales are completely public domain. Another route you may consider are the ancient mythologies. This would be the way I would go. Zeus, Thor, Hades et al are all free to use without restriction. EDIT: As ...


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 ...


1

The answers above are all pretty much spot on, unless you're copying something closely, you should be okay. But, and this is a big but, just because you are doing everything right, it doesn't mean you won't get C&D'd, or be sued. Unfortunately, a lot of business and individuals use the legal system as a bludgeon against competitors and will often issue ...


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

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.



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