Morgan Lewis

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03/06/13 Q&A With Morgan Lewis' Marc Sonnenfeld, Law360
Litigation partner Marc Sonnenfeld participates in Law360 's Q&A series.
02/20/13 GCs Name 24 Top White Collar, Securities Attys, Law360
Litigation partner Marc J. Sonnenfeld is quoted.
01/07/13 Securities Group of the Year: Morgan Lewis, Law360
Law360 lists Morgan Lewis's Securities Industry Practice as one of its Securities Groups of the Year for 2012.
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Photo of  Marc J. Sonnenfeld

Bar Admissions

  • Pennsylvania
  • District of Columbia
  • Massachusetts
  • Florida

Court Admissions

  • U.S. Supreme Court
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Marc J. Sonnenfeld

Philadelphia
1701 Market St.
Philadelphia, PA 19103-2921
Phone: 215.963.5572
Fax: 215.963.5001

25 Publications Found
Date Title Publication
06/08/1106/08/11 U.S. Supreme Court: Investors Can Seek Class Action Status Without Proving Loss Causation

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Litigation LawFlash
03/23/1103/23/11 U.S. Supreme Court: Manufacturer Can Be Sued for Failing to Disclose Adverse Reports

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Securities LawFlash
02/17/1002/17/10 The Proposed IRS Policy Change: Its Impact on Corporate Governance and Corporate Litigation Risk Management Webinar

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Webinar
04/01/04April 2004 Securities Disclosure: Disclosing Product Developments to Investors, Insights: The Corporate and Securities Law Advisor, Vol. 18, No. 4

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Article
06/11/0206/11/02 Elements of the Market Manipulation Claim for the Short Seller, The Legal Intelligencer


Article
01/01/0201/01/02 Developments and Strategies in Class Certification, presented at PLI Securities Litigation Seminar


Speech
11/01/01November 2001 A Prevailing Approach Emerges for Pleading Scienter Under the Reform Act

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White Paper
01/01/0101/01/01 Cost-Effective Management of Securities Litigation, presented at the PLI Securities Litigation 2001 Seminar


Speech
07/01/00July 2000 Recent Court of Appeals Decisions Permit Securities Fraud Claims to Proceed

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White Paper
03/01/00March 2000 Partnering with Outside Counsel for a Philadelphia Business Court, The Metropolitan Corporate Counsel

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Article
10/01/99October 1999 Recent Decisions Concerning the Reform Act Safe Harbor, The Metropolitan Corporate Counsel


Article
08/01/99August 1999 Circuit Courts Address Standards For Pleading Scienter In Dismissing Complaints, The Metropolitan Corporate Counsel


Article
07/01/99July 1999 New Jersey Supreme Court Rejects Application of Marketability Discount in Determining Fair Value in Statutory Appraisal Action

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White Paper
03/01/99March 1999 Pleading a Section 11 Claim: What Level of Particularity Is Required?, Part II, The Metropolitan Corporate Counsel


Article
02/01/99February 1999 An Increase in Section 11 Claims Against Companies and a Potential Defense to Tracing, Part I, The Metropolitan Corporate Counsel


Article
01/01/99January 1999 Impact of the Pennsylvania Supreme Court's Adoption of Portions of the Principles of Corporate Governance upon Shareholder Derivative Litigation in Pennsylvania: Cuker v. Mikalauskas and Its Progeny, Pennsylvania Bar Association Quarterly


Article
09/01/98September 1998 ADR As Good Corporate Policy, The Metropolitan Corporate Counsel


Article
01/01/9801/01/98 Class Action Securities Litigation, presented at the Securities Litigation and Arbitration for the American Bar Association Center for Continuing Education 1998 Seminar


Speech
08/01/97August 1997 Confidentiality and ADR: Protecting the Privacy of the Proceedings, The Metropolitan Corporate Counsel


Article
05/01/97May 1997 PA Supreme Court: Business 'Judgment Rule' Applies To Termination of Derivative Suit, The Metropolitan Corporate Counsel


Article
05/01/97May 1997 Pennsylvania Considers Establishing a Commerce Court, The Metropolitan Corporate Counsel


Article
05/01/9705/01/97 Pennsylvania Supreme Court Adopts ALI Procedures for Termination of Shareholder Derivative Suits by Directors

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White Paper
11/18/9611/18/96 Confidentiality and ADR: Protecting the Privacy of the Proceedings, The Legal Intelligencer

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Article
09/01/9009/01/90 Pennsylvania Law Authorizes Bad Faith Claims in Actions on Insurance Policies: Morgan, Lewis & Bockius White Paper

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White Paper
01/01/90January 1990 The New Pennsylvania Business Corporation Law: What Litigators Need to Know, Pennsylvania's New Business Corporation Law


Article