Mealey's (September 5, 2019, 11:51 AM EDT) -- CINCINNATI — Certification of a class of landowners suing for unpaid royalties under fracking leases was appropriate once the plaintiffs dropped their claim that the leases were breached when oil and gas was sold at below-market prices and stipulated that they will proceed only with their post-production-costs theory of liability, a Sixth Circuit U.S. Court of Appeals panel ruled Aug. 15 (Zehentbauer Family Land, LP, et al. v. Chesapeake Exploration, L.L.C., et al., No. 18-4139, 6th Cir., 2019 U.S. App. LEXIS 24289)....