How to search patent and utility model documents?
Supported search
Search of patent and utility model documents is an activity that requires special knowledge and experience, therefore it is
recommended to visit the client service of the Hungarian Intellectual Property Office personally where research can be
conducted based on electronic and traditional data carriers with the help and guidance of our specialists.
Individual search
On the Internet numerous databases are available, which usually accelerate orientation. Beyond use of subject words, the International Patent Classification is the fundamental tool of searching patent documents by subjects. If the research does not call forth adequate documents in the databases, it does not mean necessarily that such documents do not exist.
Search of patents and designs valid in Hungary
The IP search Hungarian intellectual property database is the basic tool of search of patents and designs valid in Hungary, and applications being processed.
Important warning: The Hungarian Intellectual Property Office will neither assume any legal responsibility for mistakes which may occur in the database in spite of a careful control, nor for the legal consequences of using the data. In cases involving legal consequences it is advisable to check the data in the public record-keeping maintained at the Hungarian Intellectual Property Office.
Search of foreign patent and design documents
Use of esp@cenet database is the most useful to search foreign patent documents on the Internet. This database contains the
documents published by the European Patent Office and also 30 millions documents of more than 50 countries.
Further foreign patent databases are available on the Internet.
When using the databases, it is indispensable to watch out for its data content and the applicable search techniques.


