Deutsches Patentrecherche

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Introduction

Deutsches Patentrecherche (PatentDe) is a free search site for German patent documents. The interface and all search results are in German, so users should utilize Google Translate to translate the interface and search results into the language of their choice. The system seems to contain DE applications and granted patents, as well as some EPO patent documents. When browsing by date, users can search through all DE and EP patent documents published in Patentblatt (the official German patent gazette) between 1986 and 2009. On the homepage of the site, the latest updates are from April 28, 2011.

Use

Users can browse the site by:[1]

  • IPC Classification - The main IPC classes are listed on the homepage of PatentDe, and users can select a class to view further subclasses or select a subclass to view a list of relevant patent documents. The lists appear to be in reverse chronological order.
  • Applicant - Select the "Applicant" link under the search form to view an alphabetical list of applicants, and select the applicant name to view all related patent documents (listed in reverse chronological order).
  • Date - Select the "Date" link under the search form to view a calenders of months organize by year, listed in reverse chronological order from 2009 to 1986. Select a month to view a list of all patent documents published in that month's issue of Patentblatt.

The home page also contains a search form, powered by Google, in which users can conduct keyword searches. The search results show up in a Google hit list, with results limited to material on the PatentDe website.

The patent document records on PatentDe are mostly in HTML format, with bibliographic data listed at the top of the page and claims and descriptions listed below the bibliographic data. Users can select links on the main record under the applicant, invention date, and IPC class fields to view other patent documents with the same data in that specific field. Some older documents only list bibliographic information for the patent document. Some results from the Google custom search form on the main page return documents in PDF format.


Sources

  1. "PatentDe." PatentDe website, http://www.patent-de.com/. Accessed September 26, 2011.

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