The word is tenacious.

Mark Premo-Hopkins and Britt Cramer of Kirkland & Ellis signed on to represent TransUnion last year after the company had already taken a hit at summary judgment in its dispute with Endless River Technologies, a company it partnered with to build a software platform aimed at improving the process of buying and selling auto insurance online. U.S. District Judge Donald Nugent in Cleveland last February found TransUnion breached its contract with Endless River when it failed to hand over source code back in 2018.