They used AI or some bot it seems. At least the email (which you may want to edit out from your post) so prompts.
It still makes sense to respond, checking your response with a native english-speaker or (better) hiring english speaking lawyer. Would be 10-15 minutes job. Do not write what you posted here, patent is not the same as trademark for example.
Thermo may refer to:
Adobe Thermo, a designers' tool for creating the user interface for Rich Internet Application by Adobe Systems
Heat, energy transferred from one system to another by thermal interaction
Thermo Fisher Scientific, a healthcare equipment company
Thermo, Greece, a town in Aetolia-Acarnania, Greece
Thermodynamics, the branch of physical science concerned with heat and its relation to other forms of energy and work
Thermos, an insulating storage vessel which keeps its contents hotter or cooler than its surroundings
Thermo (journal), an academic journal published by MDPI
source:
https://en.wikipedia.org/wiki/Thermo