Some ideas if someone stole your fonts:
You can:
1 Threaten with legal action,
2 Force to pay what they already should have, and/or
3 Sue

https://www.thomasphinney.com/2024/05/do-companies-get-sued-for-using-fonts-illegally/
Fonts and the Law (Read!) @tphinney
https://www.commarts.com/columns/fonts-and-the-law
Also:
"copyright owners can sue companies ..."

https://natlawreview.com/article/fine-print-avoiding-ip-pitfalls-unlicensed-fonts
#typography #Copyright #StolenFonts
“Do companies get sued for using fonts illegally?”

Originally posted on Quora, in response to a user question. Due to Quora’s increasingly desperate and user-hostile changes, I revised and reposted it here. Last update 29 May 2024. Yes, companies o…

Phinney on Fonts