Invalidation or Non-Infringement Contention is a defensive strategy towards Patentee Enforcement Action where the infringer investigates the scope of opponent’s patent claims and files a countersuit to invalidate the opponent patent by identifying the close prior art against claims.
Prometheus IP has hands-on experience in preparing claim charts for invalidation contentions. We prepare customized claim charts, which depict a comprehensive and relevant comparison table for each element of the claim with respect to the relevant prior art.