Bad faith claim of patent infringement prohibited. Law firm where law and business meet, based in Minneapolis with offices in Bismarck, Des Moines, Fargo, Mankato, Mexico and Shanghai, China.In some countries, patent law requires that the inventor disclose the "best mode" for practising the invention. This is no longer a requirement in South Africa. Country Code Table ; SAN MARINO. Matt Kulseth is a trademark attorney at Bold Patents. He concentrates his expertise on all matters of trademark law for his clients. It is possible to enforce patents in Africa. B, Patent specification. A Practice Note discussing patent litigation procedures in the US District Court for the District of Minnesota.