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This article addresses oil and gas case law developments that have occurred within the Appalachian Basin’s primary oil and gas producing states of Pennsylvania, West Virginia, and Ohio during 2021 by reviewing opinions issued by the highest appellate courts within each of these three states. The oil and gas law topics addressed by these state supreme courts during 2021 have ranged from those occurring upstream, such as leasing, to those occurring downstream, such as approval of a utility rate increase for the extension of a natural gas pipeline.



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