Karen Hirschman Larsen, Esq <br/><span style='color:#83603e;font-size:12px;'>New Port Richey, Florida</span>

Karen Hirschman Larsen, Esq
New Port Richey, Florida


Litigation and trial attorney with 28 years of experience handling major commercial disputes. Has tried numerous cases in state and federal courts in Texas and other jurisdictions, including before arbitration tribunals, involving legal, audit, accounting, and tax malpractice defense, engineering malpractice defense, securities fraud defense, representing auditors, issuers, directors and officers in securities fraud class actions and litigation arising out of mergers and acquisitions, class actions, earn-out, post-closing adjustment and breach of warranty disputes, breach of contract, sex, race and age discrimination and harassment, RICO, fiduciary duty, unfair competition and tortious interference with contract, oil and gas litigation, bankruptcy, landlord/tenant, patent and Lanham Act litigation, antitrust, child custody, and adoption. Has also represented criminal defendants on appointment by the United States District Court in Dallas in drug, fraud, immigration, and other matters. Representative industries include accounting, law, consulting, insurance, data processing, technology, oil and gas, electric utilities, food and beverage, healthcare, entertainment, advertising, telecommunications, computer, travel, manufacturing, construction, and hedge funds. Wrote software applications as a computer programmer for IBM’s Federal Systems Division between college and law school.

Commercial Arbitrator, 2011 to Present, Partner, Vinson & Elkins LLP, Dallas Texas, 1999 – 2010; Partner, Carrington Coleman Sloman & Blumenthal, LLP, Dallas Texas, 1992– 1999; Associate, Carrington Coleman Sloman & Blumenthal, LLP, Dallas Texas, 1985 – 1991; Law Clerk, United States District Judge Barefoot Sanders, Dallas, Texas, 1983 – 1984; Computer Programmer, International Business Machines, Gaithersburg, Maryland, 1974 – 1978.

Alternative Dispute Resolution Experience:

Significant arbitration experience, both as neutral and as litigator.  Serves on American Arbitration Association Commercial Panel.  Representative neutral experience includes service as arbitrator on three-person panel presiding over $200 million dispute involving indemnities in purchase of power plant; service on three-person panel in a major contract dispute involving the airline travel reservation industry with over $30 million in claimed damages; three-person panel involving indemnification for patent infringement claims arising out of software used in banking industry (chair).  Has tried cases in arbitration to single arbitrators and panels of arbitrators in New York, Texas, Boston, and Washington, D.C.  In arbitration, represented a major oil company in a dispute over an operating agreement that involved over $100 million in claimed damages, an accounting firm in an auditing malpractice case involving over $30 million in claimed damages, a purchaser in an earn-out dispute involving approximately $30 million in damages, and a seller in a dispute over the escrow holdback in a stock purchase agreement involving $5 million in damages.

Alternative Dispute Resolution Training:

AAA Self-Paced Study, The Preliminary Hearing – Preliminary, But Not Just Procedural, 2014; AAA Arbitrator Ethics & Disclosure (ACE003), 2013; AAA Maximizing Efficiency & Economy in Arbitration: Challenges at the Preliminary Hearing, 2011; AAA Arbitration Awards: Safeguarding, Deciding & Writing Awards (ACE001), 2011; AAA Arbitration Fundamentals and Best Practices for New AAA Arbitrators, 2011; AAA Chairing an Arbitration Panel: Managing Procedures, Process & Dynamics (ACE005), 2006; AAA Dealing With Delay Tactics in Arbitration (ACE004), 2005; AAA Commercial Arbitrator II Training, 2004; AAA Annual Arbitrator Update, 2004; AAA Arbitrator I Training-Fundamentals of the Arbitration Process, 2003.

Professional Licenses:

Admitted to the Bar: Texas, 1983; Washington, D.C., 2002; New York, 2003; Florida 2011; United States Supreme Court; U.S. Court of Appeals for the Third and Fifth Circuits; U.S. District Court for the Northern, Southern, Eastern, and Western Districts of Texas; U.S. District Court of Colorado.

Professional Recognition:

“Local Litigation Star: Texas,” Euromoney’s Benchmark: Litigation, 2008 and 2009; The Best Lawyers in America® in business litigation, 2005; in commercial litigation, 2006 – 2011; in professional malpractice law, 2009 – 2011; in bet-the-company litigation, 2010 and 2011; Chambers USA: America’s Leading Lawyers for Business in litigation: securities, 2006 – 2010; “Best Women Lawyers in Dallas” in business litigation, D Magazine, 2010; The Legal 500 US: Volume III (Litigation) in securities: shareholder litigation, 2007; “Texas Super Lawyer,” Texas Monthly, 2004 – 2009; “The Top 50 Female Texas Super Lawyers,” Texas Monthly, 2005.

Professional Associations:

Fellow, American College of Trial Lawyers; Fellow, American Law Institute.  Civic Associations:  Past President, Big Thought of North Texas, a Learning Partnership.

Selected Presentations:

Recent Developments under Daubert and Robinson; University of Texas School of Law; San Antonio, Texas, 12/17/98; Demonstrative Exhibits — Use and Admissibility; State Bar of Texas; San Antonio, Texas, 5/28/99; Expert Witness Selection, Preparation, and Cross-Examination; American Bar Association, Section of Litigation Committee on Corporate Counsel; St. Petersburg, Florida, 12/99; Presenting Expert Testimony and Multimedia Depositions with Real-Time; ABA Law Practice Management Section; Chicago, Illinois, 3/30/00; Wired Experts in High Tech Trials:  10 Sure-Fire Ways to Foul Up Direct and Cross-Examination; Fifth Annual Legal Works 2001, Glasser LegalWorks and Daily Journal Corporation, San Francisco, California, 4/23/01; Intellectual Property in Bankruptcy; ABA 2001 Annual Meeting; Chicago, Illinois, 8/2/01; Diversity in the Courtroom:  Perspectives from the Jury; ABA 2002 Corporate Counsel Midyear Committee Meeting; La Quinta, California, 2/14/02; Trial Graphics 101:  A Do-It-Yourself Guide; Karen L. Hirschman and Tim Piganelli, and Tips and Tricks for Realtime Depositions, Peter Bensinger and Karen L. Hirschman, ABA Techshow 3/14/02; Chicago, Illinois; Expert Witness Selection, Preparation, and Cross-Examination; American Bar Association National Legal Malpractice Conference; Chicago, Illinois,  9/11/02; Trial By Hurry:  Making Every Minute Count; ABA Section of Litigation Annual Meeting, Houston, Texas, 4/9/03; Investigating Whistleblower Complaints and Other Financial Problems Under Sarbanes-Oxley, Dallas, Texas, 5/5-8/04; The Blame Game:  Attorneys & Accountants in the Cross Hairs, ABA Section of Litigation Annual Meeting, Phoenix, Arizona,  4/05; Internal Investigations:  The Rules of the Game are Changing, Dallas, Texas,  9/05; The Auditor’s Role in Independent Investigations:  The New Paradigm; AICPA Conference on Fraud and Litigation Services, Dallas, Texas, 2/07; “Makor v. Tellabs: Implications for Securities Practitioners in the Fifth Circuit,” DBA Lunch, Dallas, Texas, 3/07; “Best Practices for Implementing Firm-wide Women’s Initiatives,” Ark Group, New York, NY, 5/07; Options Backdating Litigation and Investigation, 2nd Securities Litigation Conference, New York, 6/07;  “Implementing Best Practices in Firm-wide Women’s Initiatives,” Ark Group, San Francisco, CA,  11/07; “Gender in the Courtroom,” SMU Women in Law, 6/08; “The Subprime Mortgage Crisis:  Who Will Be Left Holding the Bag?,” Dallas Bar Association, 8/08; “V&E Women’s Initiative:  Making the Case for Change,” Women’s Advocate Committee, ABA Annual Meeting, New York City, 10/08; “Busted Deal Litigation,” Third National Forum on Subprime Litigation & Enforcement Conference, American Conference Institute, New York, New York, 10/08.


Selecting, Preparing, and Cross-Examining Expert Witness (With Form) (ABA Legal Malpractice Conf., Chicago, 2002);  “Trial Teams and the Power of Diversity,” Litigation, Spring 2009; R. Rogge Dunn & Karen L. Hirschman, Trial Objections 3rd ed., supplemented August 2005 (James Publishing Inc. 2001)


The University of Texas School of Law, J.D. with honors, 1983 (Order of the Coif; Chancellors; Note and Research Editor, Texas Law Review, 1982 – 1983), The University of Texas, M.A., 1980, University of Delaware, B.A. with high honors, 1973 (Phi Beta Kappa).




  • New Port Richey, Florida