The following form allows you to submit a takedown demand to Google for defamatory, or other offensive webpages that appear in Google search results. Unfortunately, it has been our experience in most cases the Google will deny such requests, but it does not cost anything except time so it is worth giving it a try:
Global Google content removal form:
See Also: “Remove Content from Google Search Results Instructions
European residents have a much better chance of having material removed from search results due to the “right to be forgotten” legislation. Instructions are available here:
If you have a court order for removal of content you can submit it  to Google here:

Request Removal of Defamatory Google Search Results?

Simply enter the search phrases that display unfavorable results in Google Search on and select the negative results.