Atty. Patrick John Callahan
Patrick John Callahan is a lawyer practicing business, civil trial practice, computer law and 7 other areas of law. Patrick received a B.A. degree from St.
Business & More Attorney · Serving Davidsonville, MD · 42+ Years Experience
Profile Summary
About Patrick John Callahan at a Glance
Patrick John Callahan is a Member based in Davidsonville, Maryland, practicing at Callahan & Callahan, P.C.. They have 42+ years of legal experience, licensed to practice since 1984. Their practice focuses on wills, probate, family law, business, and litigation. Admitted to practice in Maryland (1984) and U.S. Supreme Court (1988). Educated at University of Baltimore (J.D., 1979) and St. Louis University (B.A., 1976). Recognitions include BV Distinguished. Active member of Prince George's County and Anne Arundel County Bar Associations. Serves clients in Davidsonville, MD and the surrounding metropolitan area.
Get Legal Help from Patrick John Callahan in Davidsonville
Sign up free and choose one of the two methods below.
Have a legal question? Sign up free, submit it through the Ask the Attorney module and receive a focused answer from a specialist.
- Free to ask a question
- Answers from specialist attorneys
- Optional private / anonymous question
Request an online video meeting or an in-person consultation at the attorney's office. Pick a time that works for you and share the details securely.
- Online video meeting
- In-person at the attorney's office
- Secure messaging and payment
About Patrick John Callahan
- Patrick John Callahan is a lawyer practicing business, civil trial practice, computer law and 7 other areas of law
- Patrick received a B.A. degree from St. Louis University in 1976, and has been licensed for 42 years
- Patrick practices at Callahan & Callahan, P.C. in Davidsonville, MD
Practice Areas Explained
Patrick John Callahan's Areas of Legal Practice
Each practice area below reflects the types of cases Patrick John Callahan handles, with a practical overview of what that area of law involves and how it may apply to your situation in Davidsonville.
Wills in Davidsonville
Patrick John Callahan is one of 34,363 wills attorneys indexed nationally. Browse wills attorneys in Maryland →
Probate in Davidsonville
Patrick John Callahan is one of 127,041 probate attorneys indexed nationally. Browse probate attorneys in Maryland →
Family Law in Davidsonville
Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.
Patrick John Callahan is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in Maryland →
Business & Corporate Law in Davidsonville
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Patrick John Callahan is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Maryland →
Civil Litigation in Davidsonville
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Patrick John Callahan is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in Maryland →
Jurisdictional Context
Why Local Counsel Matters in Davidsonville
Practicing law in Maryland. Legal matters in Maryland are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Davidsonville are typically filed in the local municipal court or the appropriate Maryland state district court, depending on subject matter and amount in controversy. An attorney licensed in Maryland 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 Maryland courts without local counsel or pro hac vice admission.
Davidsonville Courts and Legal Process
Choosing a Davidsonville-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 Maryland attorneys? Browse all attorneys in Davidsonville or all attorneys in Maryland.
Frequently Asked
Common Questions About Patrick John Callahan
Where is Patrick John Callahan's law office located?
What practice areas does Patrick John Callahan handle?
How long has Patrick John Callahan practiced law?
Where did Patrick John Callahan go to law school?
How can I contact Patrick John Callahan for a consultation?
What awards or recognition has Patrick John Callahan received?
Professional Profile
Why Clients in Davidsonville Choose Patrick John Callahan
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 Patrick John Callahan's practice in the field of wills, probate, family law, business, and litigation.
Decade-Tested Legal Experience
Patrick John Callahan brings 42+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Maryland and U.S. Supreme Court, Patrick John Callahan can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering wills, probate, and family law, Patrick John Callahan can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Davidsonville
A Davidsonville-based practice means Patrick John Callahan 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 Patrick John Callahan Handles in Davidsonville
Below is a representative sample of the types of matters Patrick John Callahan has experience with under Maryland 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 Patrick John Callahan directly to discuss the specifics of your situation.
Search Reference
How People Find Patrick John Callahan Online
Prospective clients searching for legal help in Davidsonville 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 Patrick John Callahan.
If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Patrick John Callahan directly.
Patrick John Callahan's Practice Areas & Specializations
Education & Law School Background
Awards & Professional Honors
Bar Admissions & Licensed Jurisdictions
Client Reviews & Ratings — Patrick John Callahan
No reviews yet.