Two tips of the DPMA, you can apply at International Trademark in DPMAregister:
1. You search for a phrase- or Wortbildmarke, which consists only of one word. The expert search now is to search for only a single term (e.g.. Hugo) possible.
Set the comparison operator “=” (Equal sign) twice in this case. In the expert search Please enter the following command:
WM == Hugo.
In the hit list are the trademarks displayed, in which only the word a, after you've been looking, Hugo appears in the example. Word combinations from Hugo and other words do not appear in the results list.
2. With brand names with special characters in the word (e.g.. Or minus point) You can usually omit the special character.
But in order for a complete overview of all marks containing the word as part. Achieve E.ON, please put behind or in front of terms EON a question mark “?”. Further