The Fifth Circuit has reiterated the rule that federal subject matter jurisdiction is measured at the time of removal and is not destroyed by subsequent events including the voluntary dismissal of the only claim conferring federal question jurisdiction.

In GlobeRanger Corp. v. Software AG, No. 15-10121 (5th Cir. Sept. 7, 2016), the court untangled

Texas law greatly restricts the use of alter ego or fraud to pierce the corporate veil and hold shareholders liable for a corporation’s contract debts.  A shareholder may only be held personally liable

if the obligee demonstrates that the holder, beneficial owner, subscriber, or affiliate caused the corporation to be used for the purpose of