James E. Heffner

jheffner@hahnlaw.com 619.810.4307


James Heffner is a California trial and litigation partner based out of Hahn Loeser’s San Diego office. To each of his matters, James brings creativity, an unsurpassed passion for the law, a business background, and sound judgment considering both legal options and clients’ business objectives. James’ unique background in business along with his legal expertise contributes to his ability to prepare an advanced, rational, inventive, and winning strategy in each case. His emphasis on case-specific legal strategy results in efficient and effective tactics often unanticipated by the opposition.

Recent representative matters include:

  • Successful defense of a Fortune 500 company against a class action resulting in an award of close to $1 million in fees and costs in favor of our client.
  • Successful defense at trial of the chairman of the board of a Fortune 500 company against a claim for interference with contract.
  • 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 in numerous claims for violation of fair credit reporting and fair debt collection laws.

James regularly represents companies, officers, directors, and individuals in class action matters, unfair competition lawsuits, and claims for products liability as well as cases alleging, among other claims, breach of fiduciary duty, breach of contract, fraud, and interference. He has an in-depth knowledge of a number of industries, including real estate, banking, consumer lending, debt collection, entertainment, pharmaceutical, medical device, manufacturing, and technology services.

James is also the recipient of a number of awards and recognitions, including being named by Super Lawyers to the list of “San Diego Rising Stars” in the 2015 and 2016, a distinction given to no more than the top 2.5% of attorneys in the state.



Arizona State University, W.P. Carey School of Business B.S. 2002


University of San Francisco School of Law J.D., magna cum laude 2006

Memberships & Affiliations

Welsh Inn of Court, Member


San Diego Bar Association, Member


Association of Business Trial Lawyers, Member



Bar Admissions

State of California


U.S. District Court for the Central District of California


U.S. District Court for the Eastern District of California


U.S. District Court for the Northern District of California


U.S. District Court for the Southern District of California

Awards & Distinctions

“Southern California Rising Stars,” Super Lawyers, 2015-16.


AV® Preeminent™ rating from Martindale-Hubbell, its highest available rating for legal ability and professional ethics.


Welsh Inn presentation award in 2014 and 2015.