All our products have applied for patents, and counterfeiters will be investigated for legal responsibility! How to translate this sentence? thank you

The format of the legal provisions is "patent products, counterfeiting will be investigated", in short:

Patented products are not allowed to be forged.

In response to your question, it should be:

All products of our company have obtained patent authorization, and counterfeit and shoddy products will bear legal responsibility.