from the Pabst Labs website
Notice the disclaimer is for Pabst Brewing Company.
Pabst Labs is supposedly a spun off company run by old employees, so far, anyway, until the laws change such that Pabst Brewing will take the reigns.
I can't nail down that Pabst Labs is licensed to crank out their own products. ]
Seems that they are using Tinley's license but correct me if I am wrong.