William Porter Green, IP Attorney in Pasadena, California
Over 79 years of legal practice · 5.0/5 rating from 1 verified client review
Pasadena, CA
Practicing ip in Pasadena since 1947.
- 79+
- Years practicing
- 5.0 ★
- 1 client review
- 8
- Bar admissions
Practices in
Are you William Porter Green?
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Quick answer
William Porter Green is an attorney based in Pasadena, CA. The practice focuses on IP. William has over 79 years of legal experience. Rated 5.0 out of 5 from 1 client review.
- Based in
- Pasadena, CA
- Experience
- over 79 years
- Known for
- IP
- Handles IP matters from Pasadena, CA.
- Over 79 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About William Porter Green: William Porter Green is an attorney based in Pasadena, CA. The practice focuses on IP. William has over 79 years of legal experience. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Practice areas handled by William Porter Green
William concentrates on ip. Each area below outlines the kind of case William handles, typical outcomes to expect, and how the intake process starts.
IP cases in Pasadena, California
William takes ip matters in Pasadena, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.
Biography
About William Porter Green — Over 79 years of California ip experience
William Porter Green is an attorney based in Pasadena, CA. The practice focuses on IP. William has over 79 years of legal experience. Rated 5.0 out of 5 from 1 client review.
William Porter Green is a lawyer practicing intellectual property. William received a B.A. degree from Illinois College in 1941, and has been licensed for 79 years. William practices in Pasadena, CA.
How William handles ip matters
William Porter Green is a lawyer practicing intellectual property. William received a B.A. degree from Illinois College in 1941, and has been licensed for 79 years. William practices in Pasadena, CA.
Who William represents
William reviews new inquiries case-by-case for ip matters in Pasadena and the surrounding California area.
Credentials
William Porter Green's legal education and bar admissions
Northwestern University
J.D. · 1947
Illinois College
B.A. · 1941
Jurisdictions
William's state bar admissions
U.S. District Court,
1986 · ACTIVE
U.S. Court of Appeal
1982 · ACTIVE
U.S. Court of Custom
1982 · ACTIVE
U.S. Court of Appeal
1978 · ACTIVE
U.S. Court of Appeal
1978 · ACTIVE
U.S. Supreme Court
1973 · ACTIVE
California
1948 · ACTIVE
Illinois
1947 · ACTIVE
William studied at J.D. in Northwestern University and B.A. in Illinois College.
Law school and academic background
William completed J.D. in Northwestern University and B.A. in Illinois College. Formal legal training is one signal of substantive knowledge — the day-to-day practice William runs in California is where that training gets applied to real client questions.
Recognition
Awards, publications, and recognition of William Porter Green
William has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Locations
William Porter Green's office in Pasadena
William's primary office is at 3570 E Lombardy Rd, Pasadena, CA, 91107. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of William Porter Green — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of William. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing ip attorneys in Pasadena.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once William Porter Green claims this profile.
Read all reviewsHiring guide
How to hire William Porter Green — what to expect in your first consultation
Working with a new ip attorney should feel structured. Here's how the first two conversations with William usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
William charges for the initial consult. That fee is credited toward representation if you retain William'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; William will tell you what matters and what doesn't.
Questions to ask a ip attorney in Pasadena, California
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 William
William 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. William confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
William'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 William Porter Green
How much does it cost to hire William for a ip case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. William walks through the likely range during the consult so there are no surprises.
Does William offer a free consultation?
William charges for the initial consult; that fee is credited toward representation if you retain William's office. Some ip attorneys offer free consults — check William's current terms during booking.
How long do ip cases in California 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. William gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can William take my case if I'm outside Pasadena?
William is licensed in California. Matters governed by California law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — William 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 William?
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. William will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is William accepting new ip clients right now?
William'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 Pasadena, Los Angeles and San Francisco in California
William handles ip matters throughout California. Each city below is a direct link into the search page for verified ip attorneys in that community.
- Pasadena2,894 attorneys
- Los Angeles39,975 attorneys
- San Francisco26,380 attorneys
- San Diego16,903 attorneys
- Sacramento10,561 attorneys
- Irvine6,831 attorneys
- Oakland5,709 attorneys
- San Jose5,009 attorneys
- Palo Alto4,084 attorneys
- Beverly Hills3,348 attorneys
- Newport Beach3,106 attorneys
- Santa Monica2,756 attorneys
More counsel
Other top-rated ip attorneys in California
If William's intake is full or the fit isn't right, these ip attorneys in Pasadena handle similar matters. Every profile below is verified and open to consultations.





