Estoppel

The court holds that the owners of royalty interests in federal oil and gas leases are not entitled to royalty payments from their lessee. During ongoing title disputes over mineral patent rights…

The court holds that a D.C. Circuit ruling that the U.S. Department of the Interior's (DOI's) decision to assess royalties on nonrecoupable take-or-pay payments was an arbitrary and…

The court directs a district court to enjoin South Dakota state officials from relitigating in state court issues that the federal circuit court has already decided concerning the permitting of a…

The court holds that the U.S. Environmental Protection Agency (EPA) was not constitutionally barred from considering a facility's boiler and industrial furnace (BIF) permit application while…

The Seventh Circuit upholds a district court's grant of summary judgment to the defendant prior owner of a petroleum carrying pipeline on plaintiffs landowners' claim for nuisance…

The court holds that a district court erred when it interpreted pollution exclusion clauses in comprehensive general liability (CGL) insurance policies as not relieving an insurer of its duty to…