Atty. Jonathan Gregory Castelan

Atty. Jonathan Gregory Castelan

Mr. Jonathan Gregory Castelan is a lawyer practicing contracts / agreements, environmental / natural resources, corporate / incorporation.

Houston Houston 19 yrs experience 19 year
Call (346) 800-3269 Book Appointment

Profile Summary

About Jonathan Gregory Castelan at a glance

Jonathan Gregory Castelan is an Attorney based in Houston, Texas, practicing at Latham & Watkins LLP. They have 19+ years of legal experience, licensed to practice since 2007. Their practice focuses on formation, contracts, and environmental. Admitted to practice in Texas (2007). Educated at University Of Texas (J.D., 2006). Serands clients in Houston, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Jonathan Gregory Castelan is a lawyer practicing contracts / agreements, environmental / natural resources, corporate / incorporation
  • Jonathan has been licensed for 19 years
  • Jonathan practices at Latham & Watkins LLP in Houston, TX

Practice Areas Explained

Jonathan Gregory Castelan's Areas of Practice

Each practice area below reflects the types of cases Jonathan Gregory Castelan handles, with a brief overview of what that area of law covers.

Business Formation

Jonathan Gregory Castelan is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in Texas →

Contracts

Jonathan Gregory Castelan is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Texas →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Jonathan Gregory Castelan is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Texas →

Jurisdictional Context

Why local counsel matters in Texas

Practicing law in Texas. Legal matters in Texas are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Houston are typically filed in the local municipal court or the appropriate Texas state district court, depending on subject matter and amount in controversy. An attorney licensed in Texas brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Texas courts without local counsel or pro hac vice admission.

Looking for additional Texas attorneys? Browse all attorneys in Houston or all attorneys in Texas.

Frequently Asked

Common questions about Jonathan Gregory Castelan

Where is Jonathan Gregory Castelan's law office located?
Jonathan Gregory Castelan's law practice is located in Houston, Texas. The firm is Latham & Watkins LLP. You can contact the office directly through this profile page.
What practice areas does Jonathan Gregory Castelan handle?
Jonathan Gregory Castelan focuses on formation, contracts, environmental. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Jonathan Gregory Castelan practiced law?
Jonathan Gregory Castelan has 19+ years of legal experience and has been licensed since 2007.
Where did Jonathan Gregory Castelan go to law school?
Jonathan Gregory Castelan earned their education at (J.D., 2006).
How can I contact Jonathan Gregory Castelan for a consultation?
You can contact Jonathan Gregory Castelan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
University Of Texas
- 2006

Bar Admissions

Texas
Admitted: 2007

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