Atty. Mark Patrick O'Donnell
Mark Patrick O'Donnell practices at O'Donnell Law Firm LLC Read Full Bio
Business Law & More Attorney · Serving Lake Oswego, OR · 58+ Years Experience
Profile Summary
About Mark Patrick O'Donnell at a Glance
Mark Patrick O'Donnell is a Member based in Lake Oswego, Oregon, practicing at O'Donnell Law Firm LLC. They have 58+ years of legal experience, licensed to practice since 1968. Their practice focuses on estate planning, business, real estate, tax, and creditor rights. Admitted to practice in Oregon (1968) and U.S. District Court, District of Oregon and U.S. Supreme Court (1968). Educated at Willamette University (J.D., 1968) and Gonzaga University (B.A., 1965). Recognitions include AV Preeminent. Active member of Committees on Dispute Resolution, Nonprofit Corporations and Small Business Subcommittees on Trade Associations and Closely Held Business Entities, Multnomah County and Oregon State Bar American Bar Association. Serves clients in Lake Oswego, OR and the surrounding metropolitan area.
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About Mark Patrick O'Donnell
Mark Patrick O'Donnell practices at O'Donnell Law Firm LLC Read Full Bio
Practice Areas Explained
Mark Patrick O'Donnell's Areas of Legal Practice
Each practice area below reflects the types of cases Mark Patrick O'Donnell handles, with a practical overview of what that area of law involves and how it may apply to your situation in Lake Oswego.
Estate Planning & Probate in Lake Oswego
An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.
Mark Patrick O'Donnell is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in Oregon →
Business & Corporate Law in Lake Oswego
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Mark Patrick O'Donnell is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Oregon →
Real Estate Law in Lake Oswego
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
Mark Patrick O'Donnell is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in Oregon →
Tax Law in Lake Oswego
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
Mark Patrick O'Donnell is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Oregon →
Creditor Rights & Collections in Lake Oswego
Mark Patrick O'Donnell is one of 42,582 creditor rights attorneys indexed nationally. Browse creditor rights attorneys in Oregon →
Jurisdictional Context
Why Local Counsel Matters in Lake Oswego
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 Lake Oswego 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 venue, 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.
Lake Oswego Courts and Legal Process
Choosing a Lake Oswego-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 Oregon attorneys? Browse all attorneys in Lake Oswego or all attorneys in Oregon.
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Professional Profile
Why Clients in Lake Oswego Choose Mark Patrick O'Donnell
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 Mark Patrick O'Donnell's practice in the field of estate planning, business, real estate, tax, and creditor rights.
Decade-Tested Legal Experience
Mark Patrick O'Donnell brings 58+ 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 Oregon and U.S. District Court, District of Oregon and U.S. Supreme Court, Mark Patrick O'Donnell can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering estate planning, business, and real estate, Mark Patrick O'Donnell can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Lake Oswego
A Lake Oswego-based practice means Mark Patrick O'Donnell 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 Mark Patrick O'Donnell Handles in Lake Oswego
Below is a representative sample of the types of matters Mark Patrick O'Donnell has experience with under Oregon 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 Mark Patrick O'Donnell directly to discuss the specifics of your situation.
Search Reference
How People Find Mark Patrick O'Donnell Online
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Mark Patrick O'Donnell's Practice Areas & Specializations
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