NB patent sole

From the perspective of review, the technical field is soles, and the technical problems solved are similar to soles. The adopted technical scheme is also red and blue soles.

If the technical scheme of canvas shoes has no other innovation except red and blue blocks, then the infringement may be great;

If the technical scheme of canvas shoes is not only red and blue blocks, but also other innovations, then you can sue the red and blue blocks for partial infringement and stop their production.