Patent attorney Raymond P. Niro and three other lawyers have landed in more trouble as a result of their representation of a client they say lied to them. U.S. District Judge Rebecca R. Pallmeyer is the second jurist to impose sanctions — in the form of attorney fees — on the four lawyers for the way they handled a patent-infringement lawsuit for Intellect Wireless Inc. In a written opinion, Pallmeyer found the lawyers continued to pursue the suit after they discovered, or should have discovered, that it …