A district court, on motions for summary judgment, dismissed all but one of a property owner's environmental, waste, and breach of lease claims against various manufacturing companies that…

The Pennsylvania Supreme Court held that oil and gas leases need not be extended where the lessor has pursued an unsuccessful lawsuit challenging the validity of the lease. An oil company that had…

The Fifth Circuit held that a "farmout agreement," under which the owner of a federal offshore oil and gas lease transferred its rights to drill to another drilling operator, does…

The court affirms in part and reverses in part various rulings made by a district court resolving the claims and counterclaims of a lessee and three lessors of several oil and gas leases in…