No difference. A European patent (EP) is a German patent (DE), and the scope of effect is the same. It does not matter that German patent knowledge is registered in Germany and the German Patent and Trademark Office is the European Patent Office. The German Patent and Trademark Office was established in 1877. Before 1945, it was called the German Imperial Patent Office. In 1949, the former German Imperial Patent Office was renamed the German Patent Office. It is headquartered in Munich and is affiliated with the Federal Ministry of Justice.

European Patent (EP) and German Patent (DE) both represent the EPO European Patent Office. The efficiency and quality of its approval are guaranteed. It is faster and more cost-effective than the country-by-country application process. It can especially increase the value of the invention commercially;

The European Patent Office uses three languages: English, French and German. , giving applicants greater freedom to choose the language they use, thereby also reducing the cost of applying in different languages ????for each country.

Extended information:

Obtaining patent protection in European countries through the European Patent Office has the following characteristics:

According to the provisions of the European Patent Convention, a European patent applications can specify multiple countries to obtain protection. A European patent can have the same effect as a national patent in any or all Member States. In this case, the procedures for filing separate patent applications in multiple countries can be simplified, saving costs and making it easier for applicants;

European patents are reviewed and approved in accordance with unified laws. There will be no different consequences due to differences in procedures and examination requirements of national patent laws, giving applicants a sense of security;

Reference: Baidu Encyclopedia - European Patent Office

Baidu Encyclopedia-German Patent Office