Atty. John Michael McGuigan

Atty. John Michael McGuigan

John Michael McGuigan is a lawyer practicing employment & labor, international law, business acquisitions and 4 other areas of law. John received a B.S. degree from University of Oregon in 1976, and has been licensed for 47 years.

Portland Portland 47 yrs experience 47 year
Call (971) 459-2401 Book Appointment

Profile Summary

About John Michael McGuigan at a glance

John Michael McGuigan is a Member based in Portland, Oregon, practicing at Black Helterline LLP. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on personal injury, employment, business, ip, and m&a. Admitted to practice in Oregon (1979) and Washington (1988). Educated at University of Oregon (J.D., 1979) and University of Oregon (B.S., 1976). Recognitions include AV Preeminent. Active member of Multnomah County, Washington State and American Bar Associations Oregon State Bar. Serands clients in Portland, OR and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Michael McGuigan is a lawyer practicing employment & labor, international law, business acquisitions and 4 other areas of law
  • John received a B.S. degree from University of Oregon in 1976, and has been licensed for 47 years
  • John practices at Black Helterline LLP in Portland, OR

Practice Areas Explained

John Michael McGuigan's Areas of Practice

Each practice area below reflects the types of cases John Michael McGuigan handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

John Michael McGuigan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Oregon →

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

John Michael McGuigan is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Oregon →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John Michael McGuigan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Oregon →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

John Michael McGuigan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Oregon →

Mergers & Acquisitions

John Michael McGuigan is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in Oregon →

Jurisdictional Context

Why local counsel matters in Oregon

Practicing law in Oregon. Legal matters in Oregon are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Portland are typically filed in the local municipal court or the appropriate Oregon state district court, depending on subject matter and amount in controversy. An attorney licensed in Oregon 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 Oregon courts without local counsel or pro hac vice admission.

Looking for additional Oregon attorneys? Browse all attorneys in Portland or all attorneys in Oregon.

Frequently Asked

Common questions about John Michael McGuigan

Where is John Michael McGuigan's law office located?
John Michael McGuigan's law practice is located in Portland, Oregon. The firm is Black Helterline LLP. You can contact the office directly through this profile page.
What practice areas does John Michael McGuigan handle?
John Michael McGuigan focuses on personal injury, employment, business, ip, m&a. Each practice area listed reflects experience handling cases of that type in Oregon.
How long has John Michael McGuigan practiced law?
John Michael McGuigan has 47+ years of legal experience and has been licensed since 1979.
Where did John Michael McGuigan go to law school?
John Michael McGuigan earned their education at (J.D., 1979); (B.S., 1976).
How can I contact John Michael McGuigan for a consultation?
You can contact John Michael McGuigan 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.
What awards or recognition has John Michael McGuigan received?
John Michael McGuigan's notable recognition includes: AV Preeminent.

Education

J.D.
University of Oregon
- 1979
B.S.
University of Oregon
- 1976

Awards

AV Preeminent

Bar Admissions

Oregon
Admitted: 1979
Washington
Admitted: 1988

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