![](https://discuss.tchncs.de/pictrs/image/1c9a10b5-6684-4a94-8b85-7f1e55771c14.jpeg)
![](https://lemmy.world/pictrs/image/8286e071-7449-4413-a084-1eb5242e2cf4.png)
Unless someone has registered the trademark for those specific purposes you’re clear. A trademarks is only valid within a specific field of purpose. Trademarks are there to avoid consumers mistaking one brand for another.
There are a lot of entertaining articles on Techdirt about companies not understanding trademark law.
I think most PDF readers support Javascript. I use xpdf and one of the reasons is that it does not support Javascript.