25 votes

Is this copyright infringement?

The other answers get at this somewhat obliquely, but to be clear your assumption 7, that there is no substantial similarity, implies no infringement. Substantial similarity is an element of ...
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22 votes

Is this copyright infringement?

"Does B infringe copyright" is not really of any interest. The interesting question is "Can A convince a court that B infringes copyright". Normally, if you plan to write software ...
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  • 25.5k
10 votes

Am I at risk by storing or using software that violates copyright?

If you copy copyrighted material without permission or another exemption, you are at risk It doesn’t matter if you know the material is subject to copyright, it doesn’t matter if you think you have ...
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  • 152k
7 votes

Is this copyright infringement?

The answer to your question highly depends on the level of "expressed all features in a different way". If B only renamed all variables => not enough If B re-designed every algorithm of ...
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6 votes

Is this copyright infringement?

Copyright is all about expression so, if you mean the same thing by that term as copyright lawyers mean when they use it, there is no copyright issue, almost by definition.
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  • 7,491
5 votes

Is this copyright infringement?

If the statements in the question are all accurate, then there is no copyright infringement here. But note that statement 7: App b copied all 10 features from app a, but expressed all features in a ...
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  • 93.1k
5 votes

Is this copyright infringement?

A strategy for avoiding copyright infringement while copying the features is clean-room design, if used in the right manner. The person that created both apps can be secure if they don't work on any ...
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  • 169
3 votes

Can "Right to Repair" laws (or other laws) require a company to open source their proprietary firmware?

No The right to repair proposals are not fir a right to fix design choices or design defects.
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  • 7,491
3 votes
Accepted

GDPR Compliance for Application That Guesses Email Addresses

I decided to rewrite this after the clarification in the comments. You can find the old version in the history. The question is not, actually, about a browser extension. It is about a web service that ...
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  • 4,961
2 votes

Is this copyright infringement?

The problem here lies in step 4, “The person that created app b had access to app a's full source code.” What real-world software engineers do to avoid getting sued is the opposite of this, “clean-...
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  • 1,538
2 votes
Accepted

Is it possible to start a business with a partner and have the rigths for the software that i wrote?

You can negotiate an agreement with the partnership that transfers the copyright to you as a person and then exclusively license it back to the partnership for a nominal fee. If the license were ...
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  • 7,491
2 votes

Is it possible to disallow a usage of a device in a certain way?

At least under US law, if you purchase an object (and assuming there are no independent statutory restrictions on its use), you can usually do with you want with it. However, it is illegal to ...
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  • 160k

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