I don't know of an online resource, but Michael Evamy's http://"Logo" is structured like that. It contains a chapter "Circles and Dots".

- H

Hörzu (a German TV listings magazine) has three overlapping circles (RGB).
F

Thanks Hanno, I'll stop by the bookstore and have a glance.

Florian: Thanks.

Most national trademark registries have a specialized online search function, and the trademark entries themselves each have a plain-language description. Search for "four circles" + "diamond" in the description field and see what comes up.

Here's another one that is related.

Kevin: I couldn't find any that would search anything but text. Link?

Hanno: They were sold out for that particular book, but I looked through 5 other similar books and couldn't find anything.

It reminds me of some japanese mon.* Here's a couple of sites that let you search by keyword:
http://www.brandsoftheworld.com/
http://www.seeklogo.com/

* http://en.wikipedia.org/wiki/Mon_(crest)

I did this when I was a rookie at the university.

·Panda·

I've searched both sites, and neither turned up anything remotely similar. I'm still not sure if I'm in the clear though …

I’m still not sure if I’m in the clear though …

Somewhere in the world there surely would be a similar logo.
But I think that, once you have checked the competitors (and the Scottish Arts Council ;-)* you should be safe.

*
http://inko9nito.wordpress.com/2007/10/16/quark-vs-scottish-arts-council/
http://www.momathome.com/2005/09/quark_oopsie/