Atty. William Bailey McDiarmid

Atty. William Bailey McDiarmid

William Bailey McDiarmid is a lawyer practicing life sciences and emerging growth companies, corporate, business and tax, securities and 3 other areas of law. William received a B.A. degree from University of Toronto in 1983, and has been licensed for 36 years.

Boston Boston 36 yrs experience 36 year
Call (857) 416-9478 Book Appointment

Profile Summary

About William Bailey McDiarmid at a glance

William Bailey McDiarmid is a Partner based in Boston, Massachusetts, practicing at Rubin and Rudman LLP. They have 36+ years of legal experience, licensed to practice since 1990. Their practice focuses on employment, business, ip, tax, and securities. Admitted to practice in Massachusetts (1990). Educated at University of Western Ontario (LL.B., 1990) and University of Toronto (B.A. University, 1983). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Bailey McDiarmid is a lawyer practicing life sciences and emerging growth companies, corporate, business and tax, securities and 3 other areas of law
  • William received a B.A. degree from University of Toronto in 1983, and has been licensed for 36 years
  • William practices at Rubin and Rudman LLP in Boston, MA

Practice Areas Explained

William Bailey McDiarmid's Areas of Practice

Each practice area below reflects the types of cases William Bailey McDiarmid handles, with a brief overview of what that area of law covers.

Employment Law

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

William Bailey McDiarmid is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Massachusetts →

Business & Corporate Law

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

William Bailey McDiarmid is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Intellectual Property

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

William Bailey McDiarmid is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

William Bailey McDiarmid is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Massachusetts →

Securities Law

William Bailey McDiarmid is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

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

Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about William Bailey McDiarmid

Where is William Bailey McDiarmid's law office located?
William Bailey McDiarmid's law practice is located in Boston, Massachusetts. The firm is Rubin and Rudman LLP. You can contact the office directly through this profile page.
What practice areas does William Bailey McDiarmid handle?
William Bailey McDiarmid focuses on employment, business, ip, tax, securities. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has William Bailey McDiarmid practiced law?
William Bailey McDiarmid has 36+ years of legal experience and has been licensed since 1990.
Where did William Bailey McDiarmid go to law school?
William Bailey McDiarmid earned their education at (LL.B., 1990); (B.A. University, 1983).
How can I contact William Bailey McDiarmid for a consultation?
You can contact William Bailey McDiarmid 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.

Education

LL.B.
University of Western Ontario
- 1990
B.A. University
University of Toronto
- 1983

Bar Admissions

Massachusetts
Admitted: 1990

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