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Developing a new idea independently (i.e., without assistance of others), only to discover that someone else has already developed the same idea.

Named for Elisha Grey, who invented the telephone independently of and at the same time as Alexander Graham Bell. Though they filed for patents on the same day, Bell won the patent battle in court.
I had a brilliant idea the other day about how this neighborhood really could use a donut-shop. Then, I found out one is scheduled to open next week. Guess I have Elisha Grey Syndrome.
by Madapplejack March 18, 2011
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