David Ammons

Energy

• Defended a publicly traded exploration and production company in the defense of a number of proposed class action cases alleging underpayment of royalties on gas and natural gas liquids production. Defeated class certification.
• Defended a publicly traded exploration and production company against claims brought under the False Claims Act alleging underpayment of royalties on crude oil extracted from federal and Indian lands.
• Defended a publicly traded exploration and production company against allegations that it participated in an industry-wide antitrust conspiracy relating to lease bonuses and royalties. Secured dismissal of all claims.
• Defended a publicly traded exploration and production company in litigation concerning the enforceability of a lease option agreement and other related agreements impacting acreage throughout the country. Prevailed on summary judgment.
• Represented a publicly traded midstream company in connection with breaches of numerous offshore gas gathering agreements, including pursuing federal administrative remedies.
• Represented an independent oil and gas company in a dispute concerning title to leases and wells in the Permian basin and associated unlawful drainage.
• Represented an independent oil and gas company in a cotenant accounting dispute concerning leases and wells in the Barnett Shale.

Business Litigation

• Defended officers and directors of an independent exploration and production company against claims of operational mismanagement and breaches of fiduciary duty relating to two emerging shale plays.
• Handled director and officer litigation relating to the bankruptcy of a nationwide homebuilder.
• Handled fiduciary litigation relating to the bankruptcy of an entity that designed, implemented, and managed Independent Physician’s Associations and Management Services Organizations.
• Handled director and officer and accounting malpractice litigation relating to the bankruptcy of a designer and manufacturer of offshore drilling rigs.
• Represented a foreign government in cross-border environmental and toxic tort litigation relating to copper and gold mining.
• Represented Joint Official Liquidators for companies in the Cayman Islands in federal multi-district litigation relating to the collapse of Parmalat, the Italian international food conglomerate.
• Represented a medical device manufacturer in litigation concerning patent infringement.

Some of the above representations were handled by David prior to joining Haynes and Boone.

• “Trends in Oil and Gas Royalty Disputes,” speaker, Petroleum Accountants Society of Houston's Twenty-Seventh Annual Education Day, May 26, 2016.
• “Royalty Litigation: Perspectives from the Lessor / Lessee,” co-presenter, State Bar of Texas Oil and Gas Disputes Course,
  January 29, 2016.
• “Trends in Oil and Gas Royalty Disputes,” co-presenter, Petroleum Accountants Society of Houston, November 19, 2015; San Antonio Association of Professional Landmen, October 12, 2015.
• “Lessors Development Expectations During Downturn,” author, Texas Lawyer, April 6, 2015.
• “The Deductibility of Post-Production Costs in Texas and Oklahoma,” author, Petroleum Accounting and Financial Management Journal, Volume 34, No. 1, March 1, 2015.
• “Litigating Oil and Gas Valuation Issues,” presenter, Tarrant County Bar Association, Energy Law Section, October 9, 2014.
• “Trends In Royalty Litigation,” presenter, Dallas Bar Association’s 29th Annual Review of Oil and Gas Law Seminar, August 14, 2014.
• “How to Avoid Lease-Related Litigation,” author, Texas Lawyer, March 4, 2013.
• “Valuing the Potential of Land for Oil and Gas Development,” presenter, Dallas Bar Association, Energy Law Section, January 16, 2013.