We are all surrounded by the same influences in our lives and exposed to the same shapes, external forms, and patterns. Since there are tens of thousands of designers working on similar projects all around the world, it’s obvious that some ideas will, from time-to-time, look almost identical.
As it gets more and more difficult to create custom original logos. No matter how clever your idea may be, the chances are that someone, somewhere has probably already come up with something very similar to what you have in your mind.
Take a look at some of the top logo designs from LogoContest.com and you will be able to see why it is imperitive to have input and creativity from different minds and different walks of life to get a design that is unique.