Cassidy M Birtley, IP Attorney in Portland, Oregon
Over 17 years of legal practice · focused on IP, Patent, and Real Estate
AssociateatKolisch Hartwell, P.C.
Portland, OR
Practicing ip in Portland since 2009.
- 17+
- Years practicing
- 2
- Bar admissions
Practices in
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Quick answer
Cassidy M Birtley is an associate based in Portland, OR. The practice focuses on IP, Patent, and Real Estate. Cassidy has over 17 years of legal experience. Currently practicing at Kolisch Hartwell, P.C..
- Based in
- Portland, OR
- Experience
- over 17 years
- Known for
- IP · Patent · Real Estate
- Handles IP, Patent, and Real Estate matters from Portland, OR.
- Over 17 years of practice as a licensed attorney.
About Cassidy M Birtley: Cassidy M Birtley is an associate based in Portland, OR. The practice focuses on IP, Patent, and Real Estate. Cassidy has over 17 years of legal experience. Currently practicing at Kolisch Hartwell, P.C..
Areas of practice
Practice areas handled by Cassidy M Birtley
Cassidy concentrates on ip, patent, real estate, trademark, and trade secrets. Each area below outlines the kind of case Cassidy handles, typical outcomes to expect, and how the intake process starts.
IP
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Patent
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Real Estate
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Trademark
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Trade Secrets
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IP cases in Portland, Oregon
Cassidy takes ip 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 Cassidy agrees to represent you.
Patent cases in Portland, Oregon
Cassidy takes patent 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 Cassidy agrees to represent you.
Real Estate cases in Portland, Oregon
Cassidy takes real estate 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 Cassidy agrees to represent you.
Trademark cases in Portland, Oregon
Cassidy takes trademark 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 Cassidy agrees to represent you.
Trade Secrets cases in Portland, Oregon
Cassidy takes trade secrets 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 Cassidy agrees to represent you.
Biography
About Cassidy M Birtley — Over 17 years of Oregon ip experience
Cassidy M Birtley is an associate based in Portland, OR. The practice focuses on IP, Patent, and Real Estate. Cassidy has over 17 years of legal experience. Currently practicing at Kolisch Hartwell, P.C..
Cassidy M Birtley is a lawyer practicing intellectual property law, patent prosecution, patent litigation and 3 other areas of law. Cassidy received a degree from Univ of Oregon SOL, and has been licensed for 17 years. Cassidy practices at Kolisch Hartwell, P.C. in Portland, OR.
How Cassidy handles ip matters
Cassidy M Birtley is a lawyer practicing intellectual property law, patent prosecution, patent litigation and 3 other areas of law. Cassidy received a degree from Univ of Oregon SOL, and has been licensed for 17 years. Cassidy practices at Kolisch Hartwell, P.C. in Portland, OR.
Who Cassidy represents
Cassidy reviews new inquiries case-by-case for ip, patent, and real estate matters in Portland and the surrounding Oregon area.
Credentials
Cassidy M Birtley's legal education and bar admissions
University of Oregon
J.D. · 2009
Univ of Oregon SOL Eugene OR Oregon St Univ Corvallis OR Oregon State University
B.S.M.E. · 2002
Jurisdictions
Cassidy's state bar admissions
Admitted to The Stat
2012 · ACTIVE
Oregon
2009 · ACTIVE
Cassidy studied at J.D. in University of Oregon and B.S.M.E. in Univ of Oregon SOL Eugene OR Oregon St Univ Corvallis OR Oregon State University.
Law school and academic background
Cassidy completed J.D. in University of Oregon and B.S.M.E. in Univ of Oregon SOL Eugene OR Oregon St Univ Corvallis OR Oregon State University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Cassidy runs in Oregon is where that training gets applied to real client questions.
Locations
Cassidy M Birtley's office in Portland
Cassidy's primary office is at 200 Pacific Bldg., 520 S.W. Yamhill St., Portland, OR, 97204. In-person meetings are by appointment; a phone intake usually comes first.
Kolisch Hartwell, P.C.
200 Pacific Bldg., 520 S.W. Yamhill St.
Portland, OR 97204
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Schedule your consultationHiring guide
How to hire Cassidy M Birtley — what to expect in your first consultation
Working with a new ip attorney should feel structured. Here's how the first two conversations with Cassidy usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Cassidy charges for the initial consult. That fee is credited toward representation if you retain Cassidy'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; Cassidy will tell you what matters and what doesn't.
Questions to ask a ip attorney in Portland, Oregon
A short list to run through before you commit: How many ip 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 Cassidy
Cassidy discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in ip practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every ip 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. Cassidy confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Cassidy's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many ip practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Cassidy M Birtley
How much does it cost to hire Cassidy for a ip case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Cassidy walks through the likely range during the consult so there are no surprises.
Does Cassidy offer a free consultation?
Cassidy charges for the initial consult; that fee is credited toward representation if you retain Cassidy's office. Some ip attorneys offer free consults — check Cassidy's current terms during booking.
How long do ip cases in Oregon typically take?
Simple ip 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. Cassidy gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Cassidy take my case if I'm outside Portland?
Cassidy 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 — Cassidy 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 Cassidy?
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. Cassidy will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Cassidy accepting new ip clients right now?
Cassidy's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
IP attorneys serving Portland, Salem and Eugene in Oregon
Cassidy handles ip matters throughout Oregon. Each city below is a direct link into the search page for verified ip attorneys in that community.
More counsel
Other top-rated ip attorneys in Oregon
If Cassidy's intake is full or the fit isn't right, these ip attorneys in Portland handle similar matters. Every profile below is verified and open to consultations.





