Leading Partner – Dispute Resolution > Securities Litigation: Defense > Leading Partner
Legal 500 US 2025
MVP – Securities
Law360 2025
"Standout [partner]."
Legal 500 US 2024
Leading Lawyer ‒ Securities Litigation: Defense
Legal 500 US 2024
"A prominent force in securities litigation."
Legal 500 US 2022
"Exceptionally bright and skilled securities litigator."
Legal 500 US 2018
"Well informed and thoughtful on issues impacting financial institutions and is also a very practical lawyer who works well with businesspeople."
Legal 500 US 2018
Profile
Jeff Hammel is Co-Chair of Latham & Watkins' New York Litigation & Trial Department and previously served as Global Co-Chair of the firm's Securities and M&A Litigation Practice for 10 years. He regularly represents Fortune 500 and other public companies, financial institutions, and officers and directors in their highest-stakes litigation matters.
Jeff is “acknowledged as one of the most experienced practitioners in the market” according to Legal 500 US. He was named as a 2025 MVP for Securities by Law360 and has also been recognized repeatedly in The American Lawyer’s “Litigator of the Week” columns and other publications. He is co-author of a definitive treatise on securities litigation, Federal Securities Litigation, 3d Edition, 2015.
Experience
Jeff has delivered complete defense victories to clients in dozens of securities class actions throughout the United States, including:
Quinones v. Frequency Therapeutics, Inc., 106 F.4th 177 (1st Cir. 2024) – Won affirmance of dismissal of securities fraud claims against company and senior executives for alleged failure to disclose adverse product testing results
In re MINISO Grp. Holding Ltd. Sec. Litig., 2024 WL 759246 (S.D.N.Y. 2024) – Won dismissal of Securities Act of 1933 claims against underwriters
United Ass’n Nat’l Pension Fund v. Carvana Co., 2024 WL 863709 (D. Ariz. 2024) – Won dismissal of Securities Exchange Act of 1934 and Securities Act of 1933 claims
Schertz v. Garcia, C.A. No. 2023-0600-KSJM (Del. Ch. 2024) (Transcript) – Won dismissal of all derivative claims, including Caremark and Brophy insider trading claims
IAM Nat’l Pension Fund v. Farfetch Ltd., 2023 WL 2879304 (2d Cir. 2023) – Won affirmance of district court’s dismissal of Securities Exchange Act of 1934 and Securities Act of 1933 claims
Salim v. Mobile Telesystems PJSC, 2022 WL 966903 (2d Cir. 2022) – Won affirmance of district court’s dismissal of securities fraud claims alleging misrepresentations concerning a DOJ investigation and related FCPA violations
City of Warwick Ret. Sys. v. Carvana Co., Case No. CV2022-013054 (Sup. Ct. Ariz., Maricopa Cnty. 2023) – Won dismissal with prejudice of Securities Act of 1933 claims
Luongo v. Desktop Metal, Inc., 2023 WL 6142715 (D. Mass. 2023) – Won dismissal of securities fraud claims concerning alleged noncompliance with FDA regulations
Plumbers & Pipefitters Local Union v. Citrix, Systems et al., 2021 Fla. Cir. LEXIS 302 (Cir. Ct. Palm Beach Cty. 2021) – Won dismissal of Securities Act of 1933 claims brought in Florida state court
Wasson v. LogMeIn, Inc., 2020 WL 5946813 (D. Mass. 2020), 2021 WL 108021 (D. Mass. 2021) – Won dismissal of securities fraud claims alleging failure to disclose post-acquisition business plans
In re Eaton Corp. Securities Litigation, 2017 WL 4217146 (S.D.N.Y. 2017), 318 F. Supp. 3d 659 (S.D.N.Y. 2018) – Won dismissals of two complaints alleging securities fraud claims against Eaton and its senior executives based on alleged non-disclosure of tax consequences of a corporate transaction
Friedman v. Endo Pharmaceuticals, 2018 WL 446189 (S.D.N.Y 2018), aff’d, 771 Fed. App’x (2d Cir. 2019) – Won dismissal of securities fraud claims against pharmaceutical manufacturer and its senior executives based on alleged omission of post-acquisition integration issues. Dismissal affirmed by Second Circuit
Fries v. Northern Oil & Gas, Inc., 2018 WL 388915 (S.D.N.Y. 2018) and 2018 WL 6493097 (S.D.N.Y. 2018) – Won dismissals of two complaints alleging securities fraud claims against oil company and its executives based on alleged stock manipulation and misuse of company assets
Graham v. Fearon et al., (N.D. Ohio 2017), 2017 WL 1113358 (N.D. Ohio 2017), aff'd, 2018 WL 315098 (6th Cir. 2018) – Won dismissal of all ERISA claims against alleged fiduciaries of Eaton Corp. employee stock plan
In re OmniVision, Inc. Shareholder Litigation, (Cal. Sup. Ct. Sept. 12, 2016) – Won dismissal of aiding and abetting breach of fiduciary duty claim against JP Morgan as financial advisor in an M&A transaction
Dingee v. Wayfair Inc., 2016 U.S. Dist. LEXIS 68322 (S.D.N.Y. 2016) – Won dismissal of securities fraud claims against company and senior executives based on alleged material misrepresentations regarding competitors
Callan v. Motricity, Inc., 649 Fed. Appx. 526 (9th Cir. 2016) – Won affirmance of dismissal of Securities Act of 1933 claims against underwriters, including JP Morgan, Goldman Sachs, and Deutsche Bank based on alleged misrepresentations in IPO registration statement
Dempsey v. Vieau, 2015 U.S. Dist. LEXIS 119245 (S.D.N.Y. 2015) – Won dismissal of securities fraud claims against executives of a technology company based on alleged failure to disclose product defects and customer sales issues
Dudley v. Haub, 2013 U.S. Dist. LEXIS 61386 (D.N.J. 2013) – Won dismissal of securities fraud claims against private equity firm and its chairman relating to bankruptcy of A&P supermarket chain
In re A123 Systems, Inc. Securities Litigation, 2013 WL 987830 (D. Mass. 2013) – Won dismissal of securities fraud claims against manufacturer of electric vehicle batteries following disclosure of high-profile product defect and costly product replacement campaign
In re Herald, Primeo & Thema Funds Securities Litigation, 2011 WL 5928952 (S.D.N.Y. 2011) – Won dismissal of all claims in Madoff-related litigation
In re Omnicom Group Inc. Securities Litigation, 597 F.3d 501 (2d Cir. 2010) – Won summary judgment on securities fraud claims, which was affirmed by the Second Circuit, establishing important “loss causation” precedent regarding the events affecting stock price that can support a claim for securities fraud
In re Fannie Mae 2008 Securities Litigation, 742 F. Supp. 2d 382 (S.D.N.Y. 2010) – Won dismissal of virtually all securities fraud claims against Fannie Mae following its placement into federal conservatorship during the financial crisis
In re Fannie Mae 2008 Securities Litigation, 2009 WL 4067259 (S.D.N.Y. 2009) – Won dismissal of Section 12(a)(2) and 15 claims against Fannie Mae, as well as against more than a dozen underwriters
Partner Jeff Hammel, Co-Chair of the New York Litigation & Trial Department, was named a 2025 Law360 Securities MVP for achieving a remarkable feat by securing three consecutive victories in different courts for three different clients across various industries, all within a single day.
Latham’s Securities and M&A Litigation Practice honored again at the New York Legal Awards for the fifth time in the past six years that the contest has been held.
Multidisciplinary team represents the global interconnect solutions provider in transaction adding significant fiber optic interconnect capabilities for the data center and communications networks markets.
Jeff Hammel recently achieved a career high when he scored back-to-back-to-back victories in three very different cases across multiple courts in one day.
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