Jennifer Tomsen

Jennifer Tomsen: Attorney with Greenberg Traurig, LLP


Jennifer Tomsen focuses on litigation, including commercial and securities litigation in state and federal courts and securities arbitrations before the Financial Industry Regulatory Authority (FINRA) and JAMS. She has defended broker-dealers in customer-member and member-member disputes, employment, and regulatory matters, and has represented clients in a wide variety of commercial disputes.


•Commercial litigation
•Securities arbitration, litigation, employment, and regulatory matters

Awards & Recognition

•Team Member, U.S. News - Best Lawyers , Best Law Firms Edition, Law Firm of the Year, Environmental Law, 2016

Articles, Publications, & Lectures

•Panelist, Feds Step Up Scrutiny of Severance and Confidentiality Agreements: How Will Your Agreements Fare? Webinar CLE Program, Houston, TX, October 6, 2016
•Panelist, Financial Literacy Presentation, Aging Out of Foster Care Program, Houston Alumni and Youth (HAY) Center, Houston, TX, February 7, 2015
•Panelist, Representing Unaccompanied Minors 101, ABA Midyear Meeting, Houston, TX, February 6, 2015
•Featured, Statewide Need is Great for Pro Bono Legal Work on Border Crisis , The Texas Lawbook, July 22, 2014
•Speaker, Crowdfunding Update: The SEC's Slow-Motion Implementation of the Next Tsunami of Securities Litigation, Houston Bar Association (HBA) Securities Litigation and Arbitration Section Program, Houston, TX, May 13, 2014
•Author, When SEC Subpoenas Are Too Close for Comfort to Litigation , Law360, November 6, 2012
•Co-Author, Court Rules SEC Cannot Invoke Its Investigatory Powers to Circumvent Discovery Rules , GT Alert, October 11, 2012

Associated News & Events

Press Releases

11.15.16 Greenberg Traurig's Environmental Practice Receives First-Tier Ranking in U.S. News - Best Lawyers 2017 'Best Law Firms' Edition

06.08.16 Greenberg Traurig Environmental Practice Again Recognized Nationwide in 2016 Chambers USA Guide

11.03.15 Greenberg Traurig Named 'Law Firm of the Year' for Environmental Law

06.15.15 Greenberg Traurig Attorneys Elected Fellows of the Texas Bar Foundation

05.27.15 Greenberg Traurig Environmental Attorneys Named in 2015 Chambers USA Guide

04.23.15 KIND Honors Greenberg Traurig with Pro Bono Award

11.20.14 Greenberg Traurig's Jennifer Tomsen Appointed to KIND Houston Advisory Committee

11.14.14 Greenberg Traurig's Environmental Practice Receives Top Tier Rankings in U.S. News - Best Lawyers 2015 'Best Law Firms' List

05.09.13 Greenberg Traurig Litigation Attorney Jennifer Tomsen Elected to the Securities Litigation and Arbitration Law Section Council

10.23.12 Greenberg Traurig Shareholder Jennifer Tomsen Selected 'Pro Bono Attorney of the Month' by KIND

Published Articles

10.27.14 Statewide Need is Great for Pro Bono Legal Work on Border Crisis

12.31.13 Recent Developments in Nanotechnology Standards

10.23.13 Shale Gas in Asia: Significant Reserves, Substantial Changes

11.06.12 When SEC Subpoenas Are Too Close For Comfort To Litigation


08.14.13 No Broker-Customer Relationship Absent a Direct Connection to Investment-Related Services Provided by the Brokerage Firm

08.06.13 Insights from the 2013 SIFMA San Francisco Regional Conference

02.14.13 Is the Would-Be Arbitration Claimant a Brokerage Firm 'Customer'? The Fourth Circuit Says Both 'Yes' and 'No'

10.11.12 Court Rules SEC Cannot Invoke Its Investigatory Powers to Circumvent Discovery Rules

09.07.12 California Appeals Court Opinion Highlights Brokers' Ability to Seek Judicial Expungement on Equitable Grounds

03.15.12 FINRA's Proposed Changes to BrokerCheck: Reinforcing the Notion that Every Firm and Advisor Should Routinely Verify That Publicly Available Information Accurately Reflects their Business

07.12.11 Texas Appeals Court Vacates Arbitration Award for Arbitrator's Failure to Disclose Relationship with Counsel

Areas of Practice (3)

  • Litigation
  • Securities Arbitration and Litigation
  • Environmental & Toxic Tort Litigation

Education & Credentials

Contact Information:
713.374.3610  Phone
713.754.6610  Fax
University Attended:
Cornell University, B.S., Biology, 1992; The Ohio State University, M.S., Environmental Communications, 1994; The Ohio State University, Ph.D., Environmental Policy, 1997
Law School Attended:
Duke University School of Law, J.D., magna cum laude, 2002
Year of First admission:
2003, Florida; 2008, Texas; U.S. Court of Appeals for the Eleventh Circuit; U.S. District Court for the Eastern District of Texas; U.S. District Court for the Middle District of Florida; U.S. District Court for the Northern District of Texas; U.S. District Court for the Southern District of Texas

Professional & Community Involvement

•Co-Coordinator, GT Houston Pro Bono Program
•Pro Bono work with multiple organizations, representing clients in obtaining special immigrant juvenile status, asylum, and T-visas for victims of human trafficking
•Council Member, HBA Securities Litigation and Arbitration Law Section
•Founding Member, Kids in Need of Defense (KIND) Houston Advisory Committee
•Advisory Board Member, Tahirih Justice Center
•Law Advisory Board, Children at Risk
•fellow, Texas Bar Foundation
•Member, American Bar Association, State Bars of Texas and Florida, Houston Bar Association
•Member, Garland R. Walker American Inn of Court
•Member, Defense Research Institute (DRI), Toxic Torts and Environmental Law Section

Birth Information:
Reported Cases:
Significant Representations: Represented major broker-dealers and other securities industry participants in numerous arbitration hearings before the Financial Industry Regulatory Authority (formerly the National Association of Securities Dealers and the New York Stock Exchange) and JAMS.; Represented broker-dealers in employment matters, including gender, race, and disability discrimination, U-5 defamation, and constructive discharge.; Successfully defended major healthcare company in independent contractor misclassification FLSA collective action.; Successfully defended record company in cases under Copyright Act, with multiple rulings upheld on appeal.; Defeated on appeal city's claim of governmental immunity in multimillion dollar contract litigation.; Successfully defended project management company in AAA arbitration against claims for breach of contract and fraud.; Represented investment firms in scores of customer arbitrations involving allegations of research analyst conflicts of interest.; Represented a major investment firm in significant cases involving stock options brought by former WorldCom employees.; Represented major investment firms in customer arbitrations involving a variety of securities, including high-yield bond funds, corporate bonds, and preferred stocks.

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