Skip to Content

Jon J. Lambiras

Shareholder
P: 215.875.3036
F: 215.875.4604
jlambiras@bm.net Download vCard

Jon J. Lambiras, Esq., CPA, CFE is a shareholder in the Securities and Consumer Protection practice groups at Berger & Montague.  Since joining the firm in 2003, he has practiced primarily in the areas of securities fraud, consumer fraud, and data breach class actions.

In the Securities group, he concentrates on class action and opt-out litigation involving accounting fraud and financial misrepresentations.  In the Consumer Protection group, he concentrates on unfair business practices and data breach litigation involving the theft of personal information by computer hackers. He has also engaged in Antitrust pay-for-delay matters involving drug manufacturers wrongly keeping generic drugs off the market.

Jon's clients are plaintiffs such as individual investors, institutional investors, and consumers. He works hard to provide a smooth, comfortable litigation experience for his clients.  He welcomes inquiries from potential clients and referring counsel regarding new matters.  Fees in his cases are generally earned on a contingent basis, meaning his clients do not pay out-of-pocket attorneys' fees.

Jon is an attorney, Certified Public Accountant, and Certified Fraud Examiner.  Prior to law school, he practiced accounting for four years as a financial statement auditor, including with a Big-Four accounting firm.

Jon has obtained the highest peer review rating, "AV Preeminent 5.0 out of 5.0," in Martindale-Hubbell for his legal abilities and ethical standards.  Also, in 2012-2014 he was selected for inclusion in "Pennsylvania Super Lawyers - Rising Stars," an honor conferred on less than 2.5% of attorneys in Pennsylvania who are 40 years old or younger.

Jon has published numerous articles and lectured on a variety of class action topics as summarized below.  He has also commented on class action issues for publications including The Washington Post.  The cases on which he worked have collectively settled for hundreds of millions of dollars.

While in law school, Jon was a Lead Articles Editor for the Pepperdine Law Review.

Jon's speaking engagements include the following:

  • "How the CFO Landed in Prison: The Nuts & Bolts of His Fraud," 2012, presented to the Philadelphia Chapter of the American Association of Attorney-CPAs
  • "State of the Cyber Nation Address," 2011, presented at HB Litigation/NetDiligence Cyber Risk & Privacy Forum
  • "Data Breach Class Actions Involving Theft of Personal Information," 2009, presented to the Phila. Chap. of the Am. Assoc. of Attorney-CPAs
  • "Class Actions Involving Estate Planning, Financial Planning, Trusts, and Income Tax," 2009, presented to the Phila. Chap. of the Am. Assoc. of Attorney-CPAs
  • "Securities Fraud Class Actions: Comparing and Contrasting the Plaintiffs' and Defendants' View," 2007, presented to the Phila. Chap. of the Am. Assoc. of Attorney-CPAs
  • "Securities Fraud Class Actions: A Primer for the Attorney-CPA," 2006-08, presented to the Phila. Chap. of the Am. Assoc. of Attorney-CPAs
Jon has received the highest peer review rating, "AV Preeminent 5.0 out of 5.0," in Martindale-Hubbell for his legal abilities and ethical standards."

Prominent Judgments & Settlements

Securities Fraud

Data Breach Class Actions