Mark P. Trinchero, Energy Attorney in Portland, Oregon
focused on Energy, General, and Government
Portland, OR
Trusted energy attorney serving Portland.
Practices in
Are you Mark P. Trinchero?
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Quick answer
Mark P. Trinchero is an attorney based in Portland, OREGON. The practice focuses on Energy, General, and Government.
- Based in
- Portland, OREGON
- Experience
- attorney
- Known for
- Energy · General · Government
- Handles Energy, General, and Government matters from Portland, OREGON.
- Recognized with Lawyer of the Year — Administrative / Regulatory Law, Portland (OR) (2022).
About Mark P. Trinchero: Mark P. Trinchero is an attorney based in Portland, OREGON. The practice focuses on Energy, General, and Government.
Areas of practice
Practice areas handled by Mark P. Trinchero
Mark concentrates on energy, general, and government. Each area below outlines the kind of case Mark handles, typical outcomes to expect, and how the intake process starts.
Energy
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General
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Government
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Energy cases in Portland, Oregon
Mark takes energy matters in Portland, Oregon. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mark agrees to represent you.
General cases in Portland, Oregon
Mark takes general matters in Portland, Oregon. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mark agrees to represent you.
Government cases in Portland, Oregon
Mark takes government matters in Portland, Oregon. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mark agrees to represent you.
Biography
About Mark P. Trinchero — Attorney of Oregon energy experience
Mark P. Trinchero is an attorney based in Portland, OREGON. The practice focuses on Energy, General, and Government.
Mark P. Trinchero is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law, Communications Law and Utilities Law.
Mark P., who practices law in Portland, Oregon, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark P. is held by other top lawyers in the same geographic and legal practice area.
How Mark handles energy matters
Mark P. Trinchero is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law, Communications Law and Utilities Law. Mark P., who practices law in Portland, Oregon, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark P. is held by other top lawyers in the same geographic…
The kind of cases Mark takes
Mark reviews new inquiries case-by-case for energy, general, and government matters in Portland and the surrounding Oregon area.
Credentials
Mark P. Trinchero's legal education and bar admissions
University of California Hastings College of the Law
J.D. · 1988
Mark studied at J.D. in University of California Hastings College of the Law.
Law school and academic background
Mark completed J.D. in University of California Hastings College of the Law. Formal legal training is one signal of substantive knowledge — the day-to-day practice Mark runs in Oregon is where that training gets applied to real client questions.
Recognition
Awards, publications, and recognition of Mark P. Trinchero
Mark has received 13 formal recognitions from bar associations, industry bodies, and peer-review services.
Lawyer of the Year — Administrative / Regulatory Law, Portland (OR)
2022
Best Lawyers in America — Administrative / Regulatory Law
2026
Best Lawyers in America — Communications Law
2026
Best Lawyers in America — Utilities Law
2026
Best Lawyers in America — Additional Areas of Practice:
2026
Best Lawyers in America — Technology Law
2026
Best Lawyers in America — Special Focus:
2026
Best Lawyers in America — Communications
2026
Best Lawyers in America — Franchise
2026
Best Lawyers in America — Regulatory
2026
Best Lawyers in America — Telecommunications
2026
Best Lawyers in America — VOIP
2026
Best Lawyers in America — Wireless
2026
Legal awards and honors
Lawyer of the Year — Administrative / Regulatory Law, Portland (OR) (2022). Best Lawyers in America — Administrative / Regulatory Law (2026). Best Lawyers in America — Communications Law (2026). Best Lawyers in America — Utilities Law (2026). Best Lawyers in America — Additional Areas of Practice: (2026). Best Lawyers in America — Technology Law (2026).
Locations
Mark P. Trinchero's office in Portland
Mark's primary office is at 560 SW 10th Ave, Ste 700, Portland, Oregon, 97205. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Mark P. Trinchero
Mark has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
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Schedule your consultationHiring guide
How to hire Mark P. Trinchero — what to expect in your first consultation
Working with a new energy attorney should feel structured. Here's how the first two conversations with Mark usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Mark charges for the initial consult. That fee is credited toward representation if you retain Mark's office.
What to bring to your first meeting
Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Mark will tell you what matters and what doesn't.
Questions to ask a energy attorney in Portland, Oregon
A short list to run through before you commit: How many energy matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?
Fees & payment
Fees, payment methods, and consultation options for Mark
Mark discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in energy practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every energy matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Mark confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Mark's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many energy practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Mark P. Trinchero
How much does it cost to hire Mark for a energy case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Mark walks through the likely range during the consult so there are no surprises.
Does Mark offer a free consultation?
Mark charges for the initial consult; that fee is credited toward representation if you retain Mark's office. Some energy attorneys offer free consults — check Mark's current terms during booking.
How long do energy cases in Oregon typically take?
Simple energy matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Mark gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Mark take my case if I'm outside Portland?
Mark is licensed in Oregon. Matters governed by Oregon law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Mark will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with Mark?
Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Mark will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Mark accepting new energy clients right now?
Mark's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Energy attorneys serving Portland, Salem and Eugene in Oregon
Mark handles energy matters throughout Oregon. Each city below is a direct link into the search page for verified energy attorneys in that community.
More counsel
Other top-rated energy attorneys in Oregon
If Mark's intake is full or the fit isn't right, these energy attorneys in Portland handle similar matters. Every profile below is verified and open to consultations.





