Why can't I find any publications of multiple applicants/owners or multiple inventors?
Please note the following for name searches:
The "Applicant/Owner" or "Inventor" data field comprises elements on a list corresponding to the number of applicants/owners or inventors.
An element on the list contains the family name and the first name, or the name of the company, and partly also residence/domicile/seat (town, country code).
If you use more than one search term for a search in these data fields the "(L)" operator will be applied automatically. The search finds only such publications containing all the search terms entered in the same element on the list - not in the entire data field. The order of the search terms is irrelevant.
Example: "Peter Schmidt" is entered in the "Applicant/Owner" search field. The search finds applicants/owners such as "Schmidt Peter", "Schmidt Hans-Peter", "XYZ Peter Schmidt GmbH" ... It does not find multiple applicants/owners "Schmidt Klaus und Meier Peter".
In the "Beginner's mode", it is not possible to find multiple applicants/owners of which only the family names of the members are known. A search in the "Expert mode" may provide a solution: "PA=Meier AND PA=Schmidt"
Why is the title or main claim/abstract of a German patent/utility model also displayed in English on the bibliographic data page, although no respective translation has been filed at the DPMA?
Within the scope of the exchange of documents scheme between the DPMA and the European Patent Office (EPO), the EPO translates the title or main claim/abstract of newly published DPMA documents (patent applications, patents, utility models) into English. Through the exchange of documents, these translations are sent back to the DPMA, where they are integrated into the DEPATISnet database.
How can I formulate a search query for chemical substances?
The answer to this question is best explained by giving an example:
You want to perform a full text search for documents which contain the chemical substance << 2-(4-tert.Butylphenyl)-5-(4-biphenylyl)-1,3,4-oxadiazol >>
Expert search:
BI = ( 2(W)4(W)tert(W)Butylphenyl(W)5(W)4(W)biphenylyl(W)1(W)3(W)4(W)oxadiazol )
IKOFAX search: (two options - with or without the W operator):
( 2(W)4(W)tert(W)Butylphenyl(W)5(W)4(W)biphenylyl(W)1(W)3(W)4(W)oxadiazol )/BI
( 2 4 tert Butylphenyl 5 4 biphenylyl 1 3 4 oxadiazol )/BI
How can I perform a search for IPC areas which covers several IPC classes?
The answer to this question is best explained by an example:
You want to find documents which contain the IPC from F01C 1/00 to F01C 19/00.
This search is only possible in the Ikofax mode.
Example Ikofax mode: 'F01C 1/00' <= /ic <= 'F01C 19/00'
Click on the column "Publication number" in the result list to view the "Bibliographic data".
Now, you can immediately view the current legal/procedural status in DPMAregister (filing date as of 1988) by clicking the button "register display" below the list of "Bibliographic data".
Why is it not possible to find divisional applications as Offenlegungsschrift (first publications of patent applications) for every patent in DEPATISnet?
Divisional patent applications will only be published if no complete Offenlegungsschrift (first publication of the patent application) has been produced for the parent application.
My search result contains the message "A random selection of 10,000 hits is being displayed. You can narrow your search by adding more search criteria." What shall I do?
Please go back to the Beginner's search and narrow your search.
Here, you can enter, for example:
and/or
© 2019 Deutsches Patent- und Markenamt | Stand vom 25.11.2019