Photo of Patrick B. McMillin

Patrick B. McMillin Associate

Areas of Practice


Bar Admissions

  • Texas, 2013


  • The University of Texas School of Law, J.D., 2013
  • The University of Texas at Austin, B.A., Plan II and Government; B.B.A., International Business, 2008

Patrick McMillin’s practice focuses on complex energy transactions and on the management of mineral assets. He primarily advises public and private energy companies on the acquisition, development, and operation of mineral prospects, but also has broad experience working with landowners in South and West Texas. His experience includes:

  • Acquisitions and Large-Scale Due Diligence. Patrick has counseled clients in connection with the purchase of mineral interests in over 20,000 acres, and has examined mineral and leasehold title related to thousands of acres of land in South, East, and West Texas. He also assists members of the firm’s Corporate and Regulated Industries groups with large acquisitions.
  • Mineral Liens. In connection with the firm’s representation of an international oilfield services company, Patrick analyzed approximately 100 mineral lien claims totaling in excess of $17 million. Subsequently, he negotiated releases with dozens of subcontractors and oil and gas operators.
  • Title Disputes. Patrick has worked for clients involved in a variety mineral and leasehold title disputes, including a multi-party dispute regarding oil in gas royalties in an abandoned World War I era subdivision.
  • Land Management. Patrick has experience drafting and negotiating oil and gas leases, pooling agreements, farmouts, production sharing agreements, telecommunications/radio tower agreements, water use agreements, pipeline easements, and other documents related to surface use. He has also assisted a private university and a large South Texas landowner with the management of their mineral portfolios.

Memberships & Involvement

  • San Antonio Bar Association

Community/Civic Activities

  • San Antonio Association of Professional Landmen
  • Teach For America – Rio Grande Valley, 2008 Corps Member

Texas Review of Law & Politics, Articles Editor