We are an international patent law company with head office in Liechtenstein. Patentbüro Paul Rosenich AG (PPR) cooperates with companies in Germany, Austria, Hungary, Portugal and the United States. PPR also has extensive contacts in China and Japan. Our main focus is the preparation, filing and defense of intellectual property rights causes(in particular Patents, Trademarks, Designs, Domain Names and Licenses). We are also active in the filing of pleas and actions of nullity. Our international team of internal and external associates represents patents before the: ■German Patent- and Trademark Office (DPMA) ■European Patent Office (EPO) ■Office for Harmonization in the Internal Market (OHIM) ■Trademark Office of Liechtenstein and the County Court of Liechtenstein ■Austrian Patent Office ■Swiss Patent Office (IGE) ■Hungarian Patent Office (HIPO) ■US Patent Office (US PTO) ■World Intellectual Property Organisation (WIPO) We also offer mediation in the field of intellectual property in our branch office in Buchs SG/Switzerland.