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I'm aware that some fictional work is loosely based on others, consciously or not. For instance, Lord of the Rings has some common elements with the Saga of Nibelung from the old Norse traditions. ...
Question
plagiarism
#3: Attribution notice added
Source: https://writers.stackexchange.com/q/14580 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
I'm aware that some fictional work is loosely based on others, consciously or not. For instance, **Lord of the Rings** has some common elements with the **Saga of Nibelung** from the old Norse traditions. Well, I'm writing my own story that has some common elements with a well-known book that is still under copyright. And that is not a coincidence: I really like the original story, and I would like my story to resemble the other one, but without plagiarizing it. So, just for giving you a concrete example, suppose that my story is based on The Harry Potter books (inspired by this [question](https://writers.stackexchange.com/questions/10567/how-much-copying-is-okay)). Would you say that my story is a plagiarism if: 1. It's about a boy who goes to a hidden wizard school in London, learns that his parents were killed by a villain, gather some friends to fight this villain while attending on the school by learning about mythical creatures, spells and playing a unusual sport. 2. It's about a **girl** who goes to a hidden wizard school in London, learns that her parents were **captured** by a villain, gather some friends to fight this villain while attending on the school, etc... 3. It's about a girl who goes to a **well-known** wizard school in **Japan** , learns that her parents were captured by a villain, gather some friends to fight this villain while attending on the school by learning about mythical creatures, spells and **practicing how to fight like a samurai.** 4. Assuming that the Harry Potter series were **not** under copyright anymore, would it be valuable to write the story described on (3) and make a explicit reference to it (like 'What would happen if Hogwarts was on Japan')?