TrademarkS.D.N.Y.1:07-cv-11604Closed

Kirschner v. Grant Thornton LLP

Summary

Marc S. Kirschner sued Grant Thornton LLP and numerous financial firms in federal court over trademark infringement under securities law. The case involves competing claims over financial services marks and branding used by the defendants, with major accounting firms PwC, Ernst & Young, and Mayer Brown named as co-defendants in a complex dispute spanning multiple financial entities.

Summary generated by AI from public docket data. Verify against the original filing before relying on it.

Counsel of record

For the plaintiff
For the defendant
Other counsel (amici, etc.)
Court
U.S. District Court, Southern District of New York
Docket no.
1:07-cv-11604
Nature of suit
Trademark
Judge
Jed S. Rakoff
Filed
2007-12-28
Last filing
2014-08-18
Terminated
2011-08-05

Cause

15:78m(a) Securities Exchange Act

Entities in this case

Parties

PricewaterhouseCoopers LLP Liberty Corner Capital Strategies, LLC Eric M. Flanagan Delta Flyer Fund LLC EMF Financial Produccts William T. Pigott Refco Group Holdings, Inc. CIM Ventures, Inc. Robert C. Trosten Tone N. Grant Mayer Brown LLP Andrew Krieger Beckenham Trading Company, Inc. Mayer Brown International LLP Santo C. Maggio Phillip R. Bennett Marc S. Kirschner Ingram Micro, Inc. Grant Thornton LLP Ernst & Young LLP

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View on CourtListener →Open in feed →Last updated 2026-08-31