Kenneth E. "Ken" Keller, IP Attorney in San Francisco, California
focused on IP and Patent
San Francisco, CA
Trusted ip attorney serving San Francisco.
Are you Kenneth E. "Ken" Keller?
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Quick answer
Kenneth E. "Ken" Keller is an attorney based in San Francisco, CALIFORNIA. The practice focuses on IP and Patent.
- Based in
- San Francisco, CALIFORNIA
- Experience
- attorney
- Known for
- IP · Patent
- Handles IP and Patent matters from San Francisco, CALIFORNIA.
- Recognized with Best Lawyers in America — Litigation - Intellectual Property (2026).
About Kenneth E. "Ken" Keller: Kenneth E. "Ken" Keller is an attorney based in San Francisco, CALIFORNIA. The practice focuses on IP and Patent.
Areas of practice
Practice areas handled by Kenneth E. "Ken" Keller
Kenneth concentrates on ip and patent. Each area below outlines the kind of case Kenneth handles, typical outcomes to expect, and how the intake process starts.
IP cases in San Francisco, California
Kenneth takes ip matters in San Francisco, 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 Kenneth agrees to represent you.
Patent cases in San Francisco, California
Kenneth takes patent matters in San Francisco, 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 Kenneth agrees to represent you.
Biography
About Kenneth E. "Ken" Keller — Attorney of California ip experience
Kenneth E. "Ken" Keller is an attorney based in San Francisco, CALIFORNIA. The practice focuses on IP and Patent.
Kenneth E. Keller is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent.
Kenneth E., who practices law in San Francisco, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kenneth E. is held by other top lawyers in the same geographic and legal practice area.
Kenneth's approach to ip cases
Kenneth E. Keller is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Kenneth E., who practices law in San Francisco, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kenneth E. is held by other top lawyers in the same…
Clients Kenneth works with
Kenneth reviews new inquiries case-by-case for ip and patent matters in San Francisco and the surrounding California area.
Credentials
Kenneth E. "Ken" Keller's legal education and bar admissions
University of California Berkeley
J.D. · 1976
Kenneth studied at J.D. in University of California Berkeley.
Law school and academic background
Kenneth completed J.D. in University of California Berkeley. Formal legal training is one signal of substantive knowledge — the day-to-day practice Kenneth runs in California is where that training gets applied to real client questions.
Recognition
Awards, publications, and recognition of Kenneth E. "Ken" Keller
Kenneth has received 6 formal recognitions from bar associations, industry bodies, and peer-review services.
Best Lawyers in America — Litigation - Intellectual Property
2026
Best Lawyers in America — Litigation - Patent
2026
Best Lawyers in America — Additional Areas of Practice:
2026
Best Lawyers in America — Commercial Litigation
2026
Best Lawyers in America — Entertainment Law - Motion Pictures and Television
2026
Best Lawyers in America — Entertainment Law - Theater
2026
Legal awards and honors
Best Lawyers in America — Litigation - Intellectual Property (2026). Best Lawyers in America — Litigation - Patent (2026). Best Lawyers in America — Additional Areas of Practice: (2026). Best Lawyers in America — Commercial Litigation (2026). Best Lawyers in America — Entertainment Law - Motion Pictures and Television (2026). Best Lawyers in America — Entertainment Law - Theater (2026).
Locations
Office locations for Kenneth E. "Ken" Keller in San Francisco, California
Kenneth's primary office is at San Francisco, California, 94111-5998. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Kenneth E. "Ken" Keller
Kenneth 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 Kenneth E. "Ken" Keller — what to expect in your first consultation
Working with a new ip attorney should feel structured. Here's how the first two conversations with Kenneth usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Kenneth charges for the initial consult. That fee is credited toward representation if you retain Kenneth'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; Kenneth will tell you what matters and what doesn't.
Questions to ask a ip attorney in San Francisco, 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 Kenneth
Kenneth 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. Kenneth confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Kenneth'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 Kenneth E. "Ken" Keller
How much does it cost to hire Kenneth for a ip case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Kenneth walks through the likely range during the consult so there are no surprises.
Does Kenneth offer a free consultation?
Kenneth charges for the initial consult; that fee is credited toward representation if you retain Kenneth's office. Some ip attorneys offer free consults — check Kenneth'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. Kenneth gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Kenneth take my case if I'm outside San Francisco?
Kenneth 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 — Kenneth 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 Kenneth?
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. Kenneth will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Kenneth accepting new ip clients right now?
Kenneth'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 San Francisco, Los Angeles and San Diego in California
Kenneth handles ip matters throughout California. Each city below is a direct link into the search page for verified ip attorneys in that community.
- San Francisco26,380 attorneys
- Los Angeles39,975 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 Kenneth's intake is full or the fit isn't right, these ip attorneys in San Francisco handle similar matters. Every profile below is verified and open to consultations.





