William Voller III, IP Attorney in Los Angeles, California
Los Angeles, CA
Trusted ip attorney serving Los Angeles.
Practices in
Are you William Voller III?
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Quick answer
William Voller III is an attorney based in Los Angeles, CALIFORNIA. The practice focuses on IP.
- Based in
- Los Angeles, CALIFORNIA
- Experience
- attorney
- Known for
- IP
- Handles IP matters from Los Angeles, CALIFORNIA.
- Recognized with Best Lawyers in America — Litigation - Intellectual Property (2026).
About William Voller III: William Voller III is an attorney based in Los Angeles, CALIFORNIA. The practice focuses on IP.
Areas of practice
Legal matters William takes on
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 Los Angeles, California
William takes ip matters in Los Angeles, 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
Meet William Voller III — ip lawyer in Los Angeles
William Voller III is an attorney based in Los Angeles, CALIFORNIA. The practice focuses on IP.
William J. Voller is an intellectual property attorney focusing on patent litigation and counseling. He has successfully represented patent owners and accused infringers in federal district court and the U.S. International Trade Commission through all stages of litigation, including trial. William has also successfully represented parties on appeal at the U.S. Court of Appeals for the Federal Circuit and counseled clients regarding Covered Business Method patent proceedings before the U.S. Patent Trial and Appeal Board.
He is also a registered patent attorney and has prepared and prosecuted patent applications before the U.S. Patent and Trademark Office across a variety of technologies including LED and retrofit devices, RFID devices, graphics processing systems, communication systems, integrated circuits, medical devices, and mechanical devices. William's practice also includes patent, trademark, and software licensing, trademark prosecution, and IP due diligence in corporate transactions.
William's approach to ip cases
William J. Voller is an intellectual property attorney focusing on patent litigation and counseling. He has successfully represented patent owners and accused infringers in federal district court and the U.S. International Trade Commission through all stages of litigation, including trial. William has also successfully represented parties on appeal at the U.S. Court of Appeals for the Federal…
Clients William works with
William reviews new inquiries case-by-case for ip matters in Los Angeles and the surrounding California area.
Credentials
Education, bar admissions, and languages
Illinois Institute of Technology
J.D. · 2005
University of Notre Dame
B.S.
William studied at J.D. in Illinois Institute of Technology and B.S. in University of Notre Dame.
Law school and academic background
William completed J.D. in Illinois Institute of Technology and B.S. in University of Notre Dame. 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
Recognition and thought leadership
William has received 4 formal recognitions from bar associations, industry bodies, and peer-review services.
Best Lawyers in America — Litigation - Intellectual Property
2026
Best Lawyers in America — Patent Law
2026
Best Lawyers in America — Additional Areas of Practice:
2026
Best Lawyers in America — Litigation - Patent
2026
Legal awards and honors
Best Lawyers in America — Litigation - Intellectual Property (2026). Best Lawyers in America — Patent Law (2026). Best Lawyers in America — Additional Areas of Practice: (2026). Best Lawyers in America — Litigation - Patent (2026).
Locations
William Voller III's office in Los Angeles
William's primary office is at 10100 Santa Monica Boulevard, Suite 2200, Los Angeles, California, 10100. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of William Voller III
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Schedule your consultationHiring guide
How to hire William Voller III — 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 Los Angeles, 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 Voller III
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 Los Angeles?
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 Los Angeles, San Francisco and San Diego 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.
- 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
- Pasadena2,894 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 Los Angeles handle similar matters. Every profile below is verified and open to consultations.





