April 22, 2014
A New Jersey federal judge on Monday upheld a jury's determination that two patents held by a 3M Co. unit covering filtration technology for industrial respirators were unenforceable due to inequitable conduct, handing a win to TransWeb LLC.
December 03, 2012
A New Jersey federal jury on Friday found 3M Innovative Properties Co. tried to enforce two fraudulently obtained patents in violation of antitrust laws, handing TransWeb LLC a win in its suit over filtration technology used in government-certified respiratory products.