WHIPgroup secured a favorable decision by the Patent Trial and Appeal Board (PTAB), reversing all obviousness rejections of claims directed to a rotating electrical machine. In particular, WHIPgroup successfully argued that the prior art motor did not include a plurality of serially connected switching cells but instead switch sets connected independently of each other. The PTAB was also convinced that the Examiner’s obviousness reasoning was flawed since the main purpose of the primary reference was isolating the motor’s electromagnetic circuits. In fact, the Board pointed out that the Examiner’s analysis relied on impermissible hindsight. Issuance of a patent is expected in due course.
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