This Guide is intended to serve as a primer for the inventor and entrepreneur on the protection of new ideas and the products which result from them. This post continues our summary of substantive orders in patent litigation in the District of Minnesota for Q1 2020.TTLF's Working Paper Series presents original research on technology, and business-related law and policy issues of the European Union and the US. The. For infringements of national patents, you can contact the competent national court. Imitation of a branded good – Counterfeit products. Omega sued CalAmp for infringement. – In the first trial, Omega prevailed in some claims; on appeal, the Federal. The owner still needs to take care to avoid infringing other people's rights. Patent trolling has been less of a problem in Europe than in the United States because Europe has a loser pays costs regime. Judge Tunheim acknowledged that courts have excluded expert testimony on the "sufficiency of the evidence of willful infringement.