Atty. John Patrick Duffin
John Patrick Duffin is a lawyer practicing criminal law, labour and employment. John received a B.A. degree from University of Toledo, and has been licensed for 49 years.
Criminal Law & More Attorney · Serving Erie, MI · 49+ Years Experience
Profile Summary
About John Patrick Duffin at a Glance
John Patrick Duffin is a criminal defense and employment attorney based in Erie, Michigan. They have 49+ years of legal experience, licensed to practice since 1977. Admitted to practice in Ohio (inactive) (1977) and Michigan (1977). Educated at University of Toledo J.D. (—) and University of Toledo B.A. (—). Serves clients in Erie, MI and the surrounding metropolitan area.
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About John Patrick Duffin
- John Patrick Duffin is a lawyer practicing criminal law, labour and employment
- John received a B.A. degree from University of Toledo, and has been licensed for 49 years
- John practices in Erie, MI
Practice Areas Explained
John Patrick Duffin's Areas of Legal Practice
Each practice area below reflects the types of cases John Patrick Duffin handles, with a practical overview of what that area of law involves and how it may apply to your situation in Erie.
Criminal Defense in Erie
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
John Patrick Duffin is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Michigan →
Employment Law in Erie
Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.
John Patrick Duffin is one of 167,770 employment attorneys indexed nationally. Browse employment attorneys in Michigan →
Jurisdictional Context
Why Local Counsel Matters in Erie
Practicing law in Michigan. Legal matters in Michigan are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Erie are typically filed in the local municipal court or the appropriate Michigan state district court, depending on subject matter and amount in controversy. An attorney licensed in Michigan 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 Michigan courts without local counsel or pro hac vice admission.
Erie Courts and Legal Process
Choosing a Erie-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 Michigan attorneys? Browse all attorneys in Erie or all attorneys in Michigan.
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Professional Profile
Why Clients in Erie Choose John Patrick Duffin
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 Patrick Duffin's practice in the field of criminal defense and employment.
Decade-Tested Legal Experience
John Patrick Duffin 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.
Multi-State Bar Admission
Licensed in Ohio (inactive) and Michigan, John Patrick Duffin can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering criminal defense and employment, John Patrick Duffin can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Erie
A Erie-based practice means John Patrick Duffin 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 Patrick Duffin Handles in Erie
Below is a representative sample of the types of matters John Patrick Duffin has experience with under Michigan 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 Patrick Duffin directly to discuss the specifics of your situation.
Search Reference
How People Find John Patrick Duffin Online
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John Patrick Duffin's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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