Atty. Jim Heffner

Atty. Jim Heffner

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.

San Diego San Diego 20 yrs experience 20 year
Call (619) 810-4307 Email Book Appointment

Profile Summary

About Jim Heffner at a glance

Jim Heffner is a Partner-in-Charge based in San Diego, California, practicing at Hahn Loeser & Parks LLP. They have 20+ years of legal experience, licensed to practice since 2006. Their practice focuses on trademark, personal injury, business, trade secrets, and litigation. Admitted to practice in California U.S. Court of Appeals for the Ninth Circuit U.S. District Courts for the Central, Eastern (2006). Educated at University of San Francisco School of Law (J.D. Top, 2006) and Arizona State University, W.P. Carey School of Business (B.S. Business, 2002). Recognitions include AV Preeminent. Active member of La Jolla Bar Association San Diego County Bar Association. Serands clients in San Diego, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • 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

Practice Areas Explained

Jim Heffner's Areas of Practice

Each practice area below reflects the types of cases Jim Heffner handles, with a brief overview of what that area of law covers.

Trademark Law

Jim Heffner is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in California →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Jim Heffner is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in California →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Jim Heffner is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Trade Secrets

Jim Heffner is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in California →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Jim Heffner is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Jurisdictional Context

Why local counsel matters in California

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in San Diego are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in San Diego or all attorneys in California.

Frequently Asked

Common questions about Jim Heffner

Where is Jim Heffner's law office located?
Jim Heffner's law practice is located in San Diego, California. The firm is Hahn Loeser & Parks LLP. You can contact the office directly through this profile page.
What practice areas does Jim Heffner handle?
Jim Heffner focuses on trademark, personal injury, business, trade secrets, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Jim Heffner practiced law?
Jim Heffner has 20+ years of legal experience and has been licensed since 2006.
Where did Jim Heffner go to law school?
Jim Heffner earned their education at (J.D. Top, 2006); (B.S. Business, 2002).
How can I contact Jim Heffner for a consultation?
You can contact Jim Heffner directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Jim Heffner received?
Jim Heffner's notable recognition includes: AV Preeminent.

Education

J.D. Top
University of San Francisco School of Law
- 2006
B.S. Business
Arizona State University, W.P. Carey School of Business
- 2002

Awards

AV Preeminent

Bar Admissions

California U.S. Court of Appeals for the Ninth Circuit U.S. District Courts for the Central, Eastern
Admitted: 2006

Reviews

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