By Nadia Dreid (March 27, 2019, 9:31 PM EDT) -- A USB maker and Taiwanese computer manufacturer faced off Wednesday at the Patent Trial and Appeal Board, where G.B.T. Inc. fought to invalidate a slew of claims from Walletex Microelectronics' patent for a double-sided USB connector with short circuit prevention.
G.B.T. urged the PTAB to cut nearly two dozen claims from USB maker Walletex's U.S. Patent No. 7,458,825 at Wednesday's hearing, arguing that many of the patent's claims were obvious in light of earlier inventions.
For instance, engineers with experience could easily come to the same solution for short-circuiting — an error in the way electricity flows or when it takes...
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