Oil Gas Expert Witness Harold McGowen

Harold E. McGowen, III, PE, is a proven authority in Oil and Gas exploration and development. As an engineer and businessman with 40+ years of experience building and leading oil and gas companies, he provides technical acumen, clear communication, and industry knowledge in cases involving trade secrets, patents, securities, operational failures, and safety. 

Expertise in Trade Secrets and Patents

• Harold has testified in numerous intellectual property disputes involving downhole tools, hydraulic fracturing, and drilling technologies.
• His ability to evaluate technical designs and assess claims of patent infringement or trade secret misappropriation is grounded in decades of hands-on industry experience and as an expert on numerous patent cases.
• He links technical insights to business and legal outcomes, delivering fact-based conclusions that resonate with courts and juries.

Securities Litigation Proficiency

• Harold’s expertise includes evaluating whether companies accurately represented reserves, operational performance, and development strategies to investors.
• His testimony has been instrumental where overstated reserves or misleading economic projections were alleged, focusing on adherence to reasonable claims and industry best practices.

Broad Litigation Experience

• Harold has provided expert testimony and litigation support in over 40 cases, addressing issues such as operational failures, safety lapses, and intellectual property disputes.
• He consistently ties technical findings to best practices and organizational responsibilities, ensuring clarity and relevance for legal audiences.

Leadership and Innovation

• As CEO of oil and gas operating companies, Harold led multimillion-dollar projects, optimizing drilling and completion strategies and ensuring compliance with industry standards.
• He has authored technical papers and presented on topics including hydraulic fracturing, drilling optimization, and project management.

Harold’s unique combination of technical expertise, hands-on experience, and litigation support experience ensures clear communication with attorneys, judges, and juries. For trade secrets, patents, securities disputes, or operational safety cases, Harold E. McGowen III, PE, delivers clarity, credibility, and results.

View Harold McGowen's Business Consulting Profile.