Atty. John Cornyn III
John Cornyn III is a lawyer practicing litigation, appeals, social security and 2 other areas of law. John received a B.A. degree from Trinity University in 1973, and has been licensed for 49 years.
Appeals & More Attorney · Serving Washington, DC · 49+ Years Experience
Profile Summary
About John Cornyn III at a Glance
John Cornyn III is an Atty. Gen. based in Washington, District of Columbia. They have 49+ years of legal experience, licensed to practice since 1977. Their practice focuses on employment, immigration, ssd, securities, and litigation. Admitted to practice in Texas (1977). Educated at St. Mary's School of Law (J.D. University, 1977) and Trinity University (B.A., 1973). Serves clients in Washington, DC and the surrounding metropolitan area.
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About John Cornyn III
- John Cornyn III is a lawyer practicing litigation, appeals, social security and 2 other areas of law
- John received a B.A. degree from Trinity University in 1973, and has been licensed for 49 years
- John practices in Washington, DC
Practice Areas Explained
John Cornyn III's Areas of Legal Practice
Each practice area below reflects the types of cases John Cornyn III handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.
Employment Law in Washington
Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.
John Cornyn III is one of 167,770 employment attorneys indexed nationally. Browse employment attorneys in District of Columbia →
Immigration Law in Washington
Immigration attorneys help with green cards, visas, citizenship, asylum, and deportation defense. Find a verified immigration lawyer for your case.
John Cornyn III is one of 40,259 immigration attorneys indexed nationally. Browse immigration attorneys in District of Columbia →
Social Security Disability in Washington
SSDI and SSI attorneys for disability claims, denied benefits, and Social Security appeals.
John Cornyn III is one of 26,311 ssd attorneys indexed nationally. Browse ssd attorneys in District of Columbia →
Securities Law in Washington
John Cornyn III is one of 64,075 securities attorneys indexed nationally. Browse securities attorneys in District of Columbia →
Civil Litigation in Washington
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John Cornyn III is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →
Jurisdictional Context
Why Local Counsel Matters in Washington
Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia 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 District of Columbia courts without local counsel or pro hac vice admission.
Washington Courts and Legal Process
Choosing a Washington-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 District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.
Frequently Asked
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Professional Profile
Why Clients in Washington Choose John Cornyn III
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 Cornyn III's practice in the field of employment, immigration, ssd, securities, and litigation.
Decade-Tested Legal Experience
John Cornyn III 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 employment, immigration, and ssd, John Cornyn III can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Washington
A Washington-based practice means John Cornyn III 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 Cornyn III Handles in Washington
Below is a representative sample of the types of matters John Cornyn III has experience with under District of Columbia 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 Cornyn III directly to discuss the specifics of your situation.
Search Reference
How People Find John Cornyn III Online
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John Cornyn III's Practice Areas & Specializations
Education & Law School Background
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