Atty. John Daniel Mullen
Mr. John Daniel Mullen is a lawyer practicing business, commercial, oil & gas and 4 other areas of law.
Business & More Attorney · Serving Houston, TX · 49+ Years Experience
Profile Summary
About John Daniel Mullen at a Glance
John Daniel Mullen is a business, real estate, litigation, aviation, and energy attorney based in Houston, Texas. They have 49+ years of legal experience, licensed to practice since 1977. Admitted to practice in Texas (1977). Serves clients in Houston, TX and the surrounding metropolitan area.
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About John Daniel Mullen
- Mr. John Daniel Mullen is a lawyer practicing business, commercial, oil & gas and 4 other areas of law
- John has been licensed for 49 years
- John practices in Houston, TX
Practice Areas Explained
John Daniel Mullen's Areas of Legal Practice
Each practice area below reflects the types of cases John Daniel Mullen handles, with a practical overview of what that area of law involves and how it may apply to your situation in Houston.
Business & Corporate Law in Houston
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John Daniel Mullen is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Texas →
Real Estate Law in Houston
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
John Daniel Mullen is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in Texas →
Civil Litigation in Houston
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John Daniel Mullen is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in Texas →
Aviation Law in Houston
Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.
John Daniel Mullen is one of 9,145 aviation attorneys indexed nationally. Browse aviation attorneys in Texas →
Energy & Utilities Law in Houston
Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.
John Daniel Mullen is one of 35,985 energy attorneys indexed nationally. Browse energy attorneys in Texas →
Jurisdictional Context
Why Local Counsel Matters in Houston
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 venue, 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.
Houston Courts and Legal Process
Choosing a Houston-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Texas attorneys? Browse all attorneys in Houston or all attorneys in Texas.
Frequently Asked
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Professional Profile
Why Clients in Houston Choose John Daniel Mullen
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John Daniel Mullen's practice in the field of business, real estate, litigation, aviation, and energy.
Decade-Tested Legal Experience
John Daniel Mullen brings 49+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering business, real estate, and litigation, John Daniel Mullen can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Houston
A Houston-based practice means John Daniel Mullen attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues John Daniel Mullen Handles in Houston
Below is a representative sample of the types of matters John Daniel Mullen has experience with under Texas law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact John Daniel Mullen directly to discuss the specifics of your situation.
Search Reference
How People Find John Daniel Mullen Online
Prospective clients searching for legal help in Houston commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like John Daniel Mullen.
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John Daniel Mullen's Practice Areas & Specializations
Bar Admissions & Licensed Jurisdictions
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