This post was first published on July 17, 2014.   A transitional phrase is a part of the claim that connects the preamble and the body. The Transitional phrase determines as to whether a claim is “Open” “Partially Open” or “Closed.” Open Claim An Open claim includes additional unrecited elements i.e., if a claim, which is Open, recites elements A, B, C and D, then an article which includes elements A, B, C, D and E…