
Jim Heffner, Business Attorney in San Diego, California
Over 20 years of legal practice · focused on Business, Litigation, and Trademark · 4.9/5 rating from 18 verified client reviews
Partner-in-ChargeatHahn Loeser & Parks LLP
San Diego, CA
Practicing business in San Diego since 2006.
- 20+
- Years practicing
- 4.9 ★
- 18 client reviews
- 1
- Bar admission
Are you Jim Heffner?
This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.
Quick answer
Jim Heffner is a partner-in-charge based in San Diego, CA. The practice focuses on Business, Litigation, and Trademark. Jim has over 20 years of legal experience. Currently practicing at Hahn Loeser & Parks LLP. Rated 4.9 out of 5 from 18 client reviews.
- Based in
- San Diego, CA
- Experience
- over 20 years
- Known for
- Business · Litigation · Trademark
- Handles Business, Litigation, and Trademark matters from San Diego, CA.
- Over 20 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Jim Heffner: Jim Heffner is a partner-in-charge based in San Diego, CA. The practice focuses on Business, Litigation, and Trademark. Jim has over 20 years of legal experience. Currently practicing at Hahn Loeser & Parks LLP. Rated 4.9 out of 5 from 18 client reviews.
Areas of practice
Legal matters Jim takes on
Jim concentrates on business, litigation, trademark, trade secrets, and personal injury. Each area below outlines the kind of case Jim handles, typical outcomes to expect, and how the intake process starts.
Business
View other Business attorneys
Litigation
View other Litigation attorneys
Trademark
View other Trademark attorneys
Trade Secrets
View other Trade Secrets attorneys
Personal Injury
View other Personal Injury attorneys
Business cases in San Diego, California
Jim takes business matters in San Diego, 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 Jim agrees to represent you.
Litigation cases in San Diego, California
Jim takes litigation matters in San Diego, 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 Jim agrees to represent you.
Trademark cases in San Diego, California
Jim takes trademark matters in San Diego, 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 Jim agrees to represent you.
Trade Secrets cases in San Diego, California
Jim takes trade secrets matters in San Diego, 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 Jim agrees to represent you.
Personal Injury cases in San Diego, California
Jim takes personal injury matters in San Diego, 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 Jim agrees to represent you.
Biography
Meet Jim Heffner — business lawyer in San Diego
Jim Heffner is a partner-in-charge based in San Diego, CA. The practice focuses on Business, Litigation, and Trademark. Jim has over 20 years of legal experience. Currently practicing at Hahn Loeser & Parks LLP. Rated 4.9 out of 5 from 18 client reviews.
Jim Heffner is a litigation partner based out of Hahn Loeser’s San Diego office. Jim regularly represents companies, officers, directors, and individuals in a range of commercial litigation matters throughout California.
Jim’s practice is varied, but primarily involves class-action defense, the litigation of disputes arising from the movement of employees or confidential/trade secret information between competitors, litigation over breaches of duty, and counseling at the intersection of technology and the law. Jim also has experience handling trademark litigation, real estate disputes, bad faith insurance claims, and wage and hour claims.
To each of his matters, Jim brings creativity, an unsurpassed passion for the law, a business background, and sound judgment that considers legal options in light of his clients’ objectives. Jim's unique background combined with his extensive legal expertise enhances his ability to prepare advanced, rational, inventive, and winning strategies for each case. His emphasis on case-specific legal strategy results in efficient and effective tactics often unanticipated by the opposition.
Jim also has a long-standing interest in technology and the cutting-edge intersection of technology, business and the law. He applies his deep understanding of electronically stored information and communications to gain effective litigation advantages. He understands the contours of data preservation and production obligations in a variety of contexts and jurisdictions, giving his clients considerable advantages. He is knowledgeable of the most recent innovations related to decentralized technology and business models, such as blockchains, cryptocurrencies, smart contracts, ICOs and how the related legal frameworks are developing.
Professional History
• Partner, Hahn Loeser & Parks LLP, 2016-present; Associate, 2012-15.
• Associate, Morris Polich and Purdy, 2009-12.
• Associate, Reed Smith, 2006-09; Summer Associate 2005.
• USF Law Clinic, Investor Justice Center, 2005-06.
• In-House Counsel Internship, Panalpina Group, 2004.
Experience
• Complete defense at trial on behalf or a real estate developer in a commercial dispute.
• Representation of a Fortune 500 company through appeal defending a breach of fiduciary duty class action resulting in success and a judgment awarding defense fees in excess of $1 million.
• Successful defense at trial of the chairman of the board of a Fortune 500 company against a multi-million dollar claim for interference with contract.
• Successful defense of a Fortune 500 retailer company against a class action arising out of the sale of a diet drug.
• Favorable resolution of multiple trade secret matters representing both plaintiffs and defendants.
• Successful defense of a major pharmaceutical company against a product liability claim seeking $20 million in damages.
• Successful defense of one of the world’s largest banks against numerous claims for violation of fair credit reporting and fair debt collection laws.
Publications & Speaking Engagements
Congress Reopens the Paycheck Protection Program
January 21, 2021
You Wouldn’t Ask Your Barber to Clean Your Teeth – Hire a Trade Secret Litigator for Trade Secret Litigation
September 25, 2020
The California Consumer Privacy Act (CCPA) Compliance Deadlines Are Approaching
November 25, 2019
AMN Healthcare’s impact on the enforceability of non-solicitation provisions in California raises two new unanswered questions
September 12, 2019
"The Expert Ethicist and Product Liability Litigation," Jim Heffner, Esq.
June 22, 2008
An Undue Burden on an Otherwise Feasible Defense: California Courts’ Burden on the Defendant Moving for Summary Judgment Based on Federal Preemption in Certain Medical Device Cases
August 01, 2006
Awards & Distinctions
SD Metro, San Diego's Top Attorneys, 2021
Top 40 Under 40 honoree, San Diego Daily Transcript, 2018
"Top Lawyer," San Diego Magazine, Complex Commercial Litigation, 2018-21
Rising Star, San Diego Super Lawyers®, 2015-16, 2018
AV Preeminent ®, Martindale-Hubbell
Welsh Inn Presentation Award, 2014-15
Memberships & Affiliations
Welsh Inn of Court, Active Alumni Member
La Jolla Bar Association, Board President, 2021-present, Board Member, 2019-20
San Diego County Bar Association, Member
Association of Business Trial Lawyers, Member
Working with Jim on a business matter
Jim Heffner is a litigation partner based out of Hahn Loeser’s San Diego office. Jim regularly represents companies, officers, directors, and individuals in a range of commercial litigation matters throughout California. Jim’s practice is varied, but primarily involves class-action defense, the litigation of disputes arising from the movement of employees or confidential/trade secret information…
Who Jim represents
Jim reviews new inquiries case-by-case for business, litigation, and trademark matters in San Diego and the surrounding California area.
Credentials
Education, bar admissions, and languages
University of San Francisco School of Law
J.D. Top · 2006
Arizona State University, W.P. Carey School of Business
B.S. Business · 2002
Jurisdictions
Jim's state bar admissions
California U.S. Cour
2006 · ACTIVE
Jim studied at J.D. Top in University of San Francisco School of Law and B.S. Business in Arizona State University, W.P. Carey School of Business.
Law school and academic background
Jim completed J.D. Top in University of San Francisco School of Law and B.S. Business in Arizona State University, W.P. Carey School of Business. Formal legal training is one signal of substantive knowledge — the day-to-day practice Jim runs in California is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Jim has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Affiliations
Jim's professional memberships and bar associations
La Jolla Bar Association San Diego County Bar Association
membership
Locations
Jim Heffner's office in San Diego
Jim's primary office is at One America Plz., 600 West Broadway, Suite 1500, San Diego, CA, 92101-3384. In-person meetings are by appointment; a phone intake usually comes first.
Hahn Loeser & Parks LLP
One America Plz., 600 West Broadway, Suite 1500
San Diego, CA 92101-3384
Open in Google MapsClient feedback
Client reviews of Jim Heffner — 4.9/5 rating from 18 verified client reviews
Every review below is from a verified client of Jim. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in San Diego.
4.9
18 client reviews
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Jim Heffner claims this profile.
Read all reviewsHiring guide
How to hire Jim Heffner — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Jim usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Jim charges for the initial consult. That fee is credited toward representation if you retain Jim'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; Jim will tell you what matters and what doesn't.
Questions to ask a business attorney in San Diego, California
A short list to run through before you commit: How many business 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 Jim
Jim discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every business 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. Jim confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Jim's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Jim Heffner
How much does it cost to hire Jim for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Jim walks through the likely range during the consult so there are no surprises.
Does Jim offer a free consultation?
Jim charges for the initial consult; that fee is credited toward representation if you retain Jim's office. Some business attorneys offer free consults — check Jim's current terms during booking.
How long do business cases in California typically take?
Simple business 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. Jim gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Jim take my case if I'm outside San Diego?
Jim 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 — Jim 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 Jim?
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. Jim will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Jim accepting new business clients right now?
Jim's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Business attorneys serving San Diego, Los Angeles and San Francisco in California
Jim handles business matters throughout California. Each city below is a direct link into the search page for verified business attorneys in that community.
- San Diego16,903 attorneys
- Los Angeles39,975 attorneys
- San Francisco26,380 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 business attorneys in California
If Jim's intake is full or the fit isn't right, these business attorneys in San Diego handle similar matters. Every profile below is verified and open to consultations.
Douglas MacMillan Borthwick
Santa Ana, California
5.0· 118

David Payab, Esq.
Woodland Hills, California
5.0· 108

Bobby B. Saadian, Esq.
Los Angeles, California
5.0· 52

Jeffrey Robert Loew
San Mateo, California
5.0· 47

Michael Brett Abramson
San Diego, California
5.0· 39

Gregory M. Garrison
Camarillo, California
5.0· 38