Attorneys

John M. Castillo

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Mr. Castillo helps large and small businesses manage their business risks. He concentrates his practice in the areas of civil and commercial litigation, creditor bankruptcy, collections, oil & gas, and general business and real estate law. He has represented numerous clients on issues relating to landlord-tenant disputes, collection matters, and breach of contract. Mr. Castillo has also been involved in construction litigation, complex commercial litigation and litigation involving oil & gas interests and the Texas Deceptive Trade Practices Act.

In the areas of general business law, Mr. Castillo has experience in corporate planning and formation, general and limited partnerships, limited liability companies, contract drafting, preparation of real estate documents for commercial and residential closings, sale of businesses and loan workouts and foreclosures. He also helps individuals with estate planning, will preparation and probate.

Mr. Castillo was raised in McAllen, Texas and has lived in San Antonio, Texas since 1995.

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Selected Litigation/Transaction Highlights

  • Mr. W Fireworks, Inc. v. Concho Acquisition Partners, LLC, 2023 Tex.App. LEXIS 1811 (Tex.App. - San Antonio 2023, no writ)
  • Lowry v. Tarbox, 537 S.W.3d 599 (Tex.App. - San Antonio 2017, no writ)
  • Howard v. Rayco Steel, Ltd., 2012 Tex.App. LEXIS 8274 (Tex.App. - San Antonio 2012, no writ)
  • Paradigm Oil, Inc. v. Retamco Operating, Inc., 330 S.W.3d 342 (Tex. App.—San Antonio 2010, pet. granted - reversed)
  • Finley Oilwell Serv. v. Retamco Operating, Inc., 248 S.W.3d 314 (Tex. App. - San Antonio 2007, pet. denied)
  • Paradigm Oil, Inc. v. Retamco Operating, Inc., 242 S.W.3d 67 (Tex. App. - San Antonio 2007, pet. denied)
  • Republic Drilling Co. v. Retamco Operating, Inc., 2007 Tex. App. LEXIS 2369 (Tex. App. - San Antonio 2007, pet. granted)
  • Estate of Montague v. National Loan Investors, L.P., 70 S.W.3d 242 (Tex. App. - San Antonio 2001, pet. denied)
  • Long Distance Int'l, Inc. v. Telefonos de Mexico, S.A. de C.V., 49 S.W.3d 347 (Tex. 2001)
  • Green Tree Fin. Corp. v. Garcia, 988 S.W.2d 776 (Tex. App. - San Antonio 1999, no pet.)
  • Eubanks v. LDDS Communs., Inc., 1999 Tex. App. LEXIS 5338 (Tex. App. - San Antonio 1999, no pet.)

Memberships, Honors, & Professional Associations

  • State Bar of Texas
  • General Practice Section, State Bar of Texas
  • San Antonio Bar Association

Practice Areas

  • Bankruptcy
  • Business Organizations
  • Commercial Litigation
  • Creditor's Rights
  • Real Estate
  • Probate & Estate Planning

Bar Admissions

  • State Bar of Texas, 1993
  • U.S. Western District of Texas / U.S. Bankruptcy Court for the Western District of Texas
  • U.S. Northern District of Texas / U.S. Bankruptcy Court for the Northern District of Texas
  • U.S. Eastern District of Texas / U.S. Bankruptcy Court for the Eastern District of Texas
  • U.S. Southern District of Texas / U.S. Bankruptcy Court for the Southern District of Texas
  • U.S. Court of Appeals for the 5th Circuit 

Education

  • University of Texas, J.D.
  • University of Texas, B.A., with High Honors