@Nyrryl-Cadiz said in Inktober Book Plagerism Accusations:
it's only fair to acknowledge their source of inspiration otherwise they're committing a copyright/trademark (?) infringement.
Because you added the "?" I thought I'd clarify this a bit based on my understanding.
Citing your source(s) is an academic standard to avoid a plagiarism accusation. Plagiarism isn't illegal whereas copyright infringement is. For more on this concept:
https://researchguides.uic.edu/c.php?g=252209&p=1682805
In the event of an actual copyright infringement citing your source provides no legal protection. The same is true for a trademark infringement. It's useful to get a handle on the difference between trademark and copyright (and just for fun -- patents)
So my understanding is that Watts Atelier is not doing anything legally wrong in creating this event, and promoting it in this way.
After reviewing the Inktober trademark info page:
https://inktober.com/trademarkinfo
I have to conclude that the choice by Watts Atelier not to include the #inktober hashtag is likely intentional and specifically designed not to infringe on Jake's Inktober trademark.
All that said, would it have been just a decent thing for Watts Atelier to do and get permission from Jake to officially use #inktober in their social media posts? Yeah, probably. But they don't have too.