"For over a century, courts and commentators have struggled to find principles that reconcile patent and antitrust law, especially as to patent licensing. We interpret case law and commentary to arrive at three unifying principles for acceptable terms of license. Profit neutrality' holds that...

In our days, German machine tool makers accuse their Chinese competitors of violating patent rights and illegally imitating German technology. A century ago, however, German machine tool makers used exactly the same methods to imitate American technology. To understand the dynamics of this...