General Disclosure Package or the Prospectus, are in full force and effect, and none of the Company, any of its subsidiaries and, to the knowledge of the Company Parties, Montage Resources and its subsidiaries has any notice of any material claim of any sort that has been asserted by anyone adverse to its rights under any of the leases or subleases mentioned above or affecting or questioning its rights to the continued possession of the leased or subleased premises under any such lease or sublease.
(xxvi) Possession of Intellectual Property. The Company and its subsidiaries own or possess, or can acquire on reasonable terms, adequate rights to use the patents, patent rights, licenses, inventions, copyrights, know-how (including seismic data, trade secrets and other unpatented and/or unpatentable proprietary or confidential information, systems or procedures), trademarks, service marks, trade names or other intellectual property (collectively and together with any applications or registrations for the foregoing, the Intellectual Property) necessary to carry on the business now operated by them as described in the Registration Statement, the General Disclosure Package and the Prospectus, and neither the Company nor any of its subsidiaries has received any notice or is otherwise aware of any infringement of or conflict with asserted rights of others with respect to any Intellectual Property, which infringement or conflict (if the subject of any unfavorable decision, ruling or finding) or invalidity or inadequacy, singly or in the aggregate, would reasonably be expected to result in a Material Adverse Effect.
(xxvii) Environmental Laws. Except as described in the Registration Statement, the General Disclosure Package and the Prospectus or as would not, singly or in the aggregate, reasonably be expected to result in a Material Adverse Effect, (A) none of the Company, any of its subsidiaries and, to the knowledge of the Company Parties, Montage Resources or any of its subsidiaries is in violation of any federal, state, local or foreign statute, law, rule, regulation, ordinance, code, permit requirement, policy or rule of common law or any judicial or administrative interpretation thereof, including any judicial or administrative order, consent, decree or judgment, relating to pollution or protection of human health, the environment (including, without limitation, ambient air, surface water, groundwater, land surface or subsurface strata) or wildlife, including, without limitation, laws and regulations relating to the use, handling, treatment, disposal, generation, transportation or release or threatened release of chemicals, pollutants, contaminants, wastes, hazardous substances, toxic substances, petroleum or petroleum products, asbestos-containing materials, mold or radioactive or biological materials (collectively, Environmental Laws) and (B) none of the Company, its subsidiaries and, to the knowledge of the Company Parties, Montage Resources or its subsidiaries own, lease or operate any real property contaminated with any substance that is subject to or regulated by any Environmental Laws, is liable for any off-site disposal or contamination at current, former or third-party sites pursuant to any Environmental Laws, or is subject to any pending or threatened claim, action, demand, demand letter, lien, notice of noncompliance or violation, investigation or proceeding relating to any Environmental Laws, and, to the knowledge of the Company Parties, there are no events or circumstances that might give rise to any of the foregoing.
(xxviii) Periodic Review of Costs of Environmental Compliance. In the ordinary course of its business, the Company conducts a periodic review of the effect of Environmental Laws on the business, operations and properties of the Company and its subsidiaries, in the course of which it identifies and evaluates associated costs and liabilities (including, without limitation, any capital or operating expenditures required for clean-up, closure