JR

Jillian R. Guernsey, General Attorney in San Francisco, California

3 years of legal practice

AssociateatKeller and Heckman LLP

San Francisco, CA

Practicing general in San Francisco since 2023.

3+
Years practicing
1
Bar admission

Practices in

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Quick answer

Jillian R. Guernsey is an associate based in San Francisco, CA. The practice focuses on General. Jillian has 3 years of legal experience. Currently practicing at Keller and Heckman LLP.

Based in
San Francisco, CA
Experience
3 years
Known for
General
  • Handles General matters from San Francisco, CA.
  • 3 years of practice as a licensed attorney.

About Jillian R. Guernsey: Jillian R. Guernsey is an associate based in San Francisco, CA. The practice focuses on General. Jillian has 3 years of legal experience. Currently practicing at Keller and Heckman LLP.

Areas of practice

Jillian's practice areas in San Francisco

Jillian concentrates on general. Each area below outlines the kind of case Jillian handles, typical outcomes to expect, and how the intake process starts.

General cases in San Francisco, California

Jillian takes general 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 Jillian agrees to represent you.

Biography

Jillian R. Guernsey, general attorney serving San Francisco

Jillian R. Guernsey is an associate based in San Francisco, CA. The practice focuses on General. Jillian has 3 years of legal experience. Currently practicing at Keller and Heckman LLP. Jillian works from San Francisco, California and takes on general matters across the region.

Jillian Guernsey counsels domestic and foreign clients on regulatory and compliance matters related to food, wine and other alcoholic beverages, drugs, dietary supplements, food and drug packaging, and cosmetics.

Jillian assists clients in obtaining regulatory clearances for food additives, food processing aids, and food contact materials from the U.S. Food and Drug Administration (FDA), the U.S. Alcohol and Tobacco Tax and Trade Bureau (TTB), Health Canada, and other comparable international agencies. She advises companies on establishing self-determined Generally Recognized as Safe (GRAS) positions and assists in preparing GRAS Notifications to FDA. Jillian also advises clients on compliance with state and local laws, such as California’s Proposition 65, the Plastic Pollution Prevention and Packaging Producer Responsibility Act (SB 54), Green Chemistry, and extended producer responsibility laws in the state.

Prior to joining Keller and Heckman, Jillian was Operations Director at Berryessa Gap Vineyards and has worked as a harvest intern at wineries in Italy, New Zealand, California, and Virginia. Her extensive experience in the food and wine industry also includes a B.S. degree in Viticulture and Enology from the University of California, Davis, and a Classic Culinary Arts Certificate from the French Culinary Institute in Campbell, California.

While in law school, Jillian was Co-Editor-in-Chief of the Hastings Environmental Law Journal, a Teaching Assistant for several advanced legal writing courses, and participated in the Corporate Counsel Externship Program at a California-based winery.

Jillian’s focus within the food and beverage industry during her education and career has provided her with invaluable insight when assisting clients with the challenges faced by the ever-evolving industry.

Insights & In the News

March 2026 Bounty Hunter Plaintiff Claims

04.29.2026
Publication

December 2025 Bounty Hunter Plaintiff Claims

01.23.2026
Publication

September 2025 Bounty Hunter Plaintiff Claims

10.21.2025
Publication

Keller and Heckman Co-Authors FDLI’s 2026 Publication on Nicotine Delivery Products

In The News
04.13.2026

Jillian's approach to general cases

Jillian Guernsey counsels domestic and foreign clients on regulatory and compliance matters related to food, wine and other alcoholic beverages, drugs, dietary supplements, food and drug packaging, and cosmetics. Jillian assists clients in obtaining regulatory clearances for food additives, food processing aids, and food contact materials from the U.S. Food and Drug Administration (FDA), the U.S.…

Clients Jillian works with

Jillian reviews new inquiries case-by-case for general matters in San Francisco and the surrounding California area.

Credentials

Credentials — where Jillian studied and practices

  • University of California College of Law, San Francisco

    J.D. · 2023

  • University of California, Davis

    B.S. · 2013

Jurisdictions

Jillian's state bar admissions

  • California

    2023 · ACTIVE

Jillian studied at J.D. in University of California College of Law, San Francisco and B.S. in University of California, Davis.

Law school and academic background

Jillian completed J.D. in University of California College of Law, San Francisco and B.S. in University of California, Davis. Formal legal training is one signal of substantive knowledge — the day-to-day practice Jillian runs in California is where that training gets applied to real client questions.

Locations

Jillian R. Guernsey's office in San Francisco

Jillian's primary office is at One Embarcadero Center, Suite 2110, San Francisco, CA, 94111. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Keller and Heckman LLP

One Embarcadero Center, Suite 2110

San Francisco, CA 94111

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Client feedback

Client reviews of Jillian R. Guernsey

Jillian 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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Hiring guide

How to hire Jillian R. Guernsey — what to expect in your first consultation

Working with a new general attorney should feel structured. Here's how the first two conversations with Jillian usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Jillian charges for the initial consult. That fee is credited toward representation if you retain Jillian'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; Jillian will tell you what matters and what doesn't.

Questions to ask a general attorney in San Francisco, California

A short list to run through before you commit: How many general 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 Jillian

Jillian discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in general practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every general 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. Jillian confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Jillian's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many general practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Jillian R. Guernsey

  • How much does it cost to hire Jillian for a general case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Jillian walks through the likely range during the consult so there are no surprises.

  • Does Jillian offer a free consultation?

    Jillian charges for the initial consult; that fee is credited toward representation if you retain Jillian's office. Some general attorneys offer free consults — check Jillian's current terms during booking.

  • How long do general cases in California typically take?

    Simple general 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. Jillian gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Jillian take my case if I'm outside San Francisco?

    Jillian 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 — Jillian 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 Jillian?

    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. Jillian will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Jillian accepting new general clients right now?

    Jillian's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

General attorneys serving San Francisco, Los Angeles and San Diego in California

Jillian handles general matters throughout California. Each city below is a direct link into the search page for verified general attorneys in that community.

More counsel

If Jillian's intake is full or the fit isn't right, these general attorneys in San Francisco handle similar matters. Every profile below is verified and open to consultations.