4 ms·Doesn't the trade group that owns the USB trademark require certification or conformance testing?by wyldfire 9y agoDoesn't the trade group that owns the USB trademark require certification or conformance testing?ksec 9y agoNope. Not officially, one reason why I am against iPhone dropping lighting for USB-C. That was few years ago when no one see or believe this mess is coming._bxg1 9y agoI wonder if that's something they can start requiring after-the-fact