You ask:...

"why would the defense drag this out,?"...

DM reported higher earnings on the contingency fee side of their practice. Every one else, especially on the defense side, need "Billable Hours"...

Caving in is not an option card for the defense to play in the early stages of representing a defendant in cases like IP litigation. (a) They will get a reputation of being ROLL-OVER SISSY, and that does not exactly bring the case in the door. (B) it is not "Profitable" as the Ferrengies in Star Treck would say...

Gil...