Sean Patrick McConnell

Sean Patrick McConnell: Attorney with Duane Morris LLP
  • Partner at Duane Morris LLP (799 Attorneys)
  • 30 South 17th Street, Philadelphia, PA 19103
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Sean P. McConnell represents U.S. and international clients on the full range of antitrust matters across a wide variety of industries. Mr. McConnell has counseled clients in their most high-stakes and sophisticated matters, including complex class actions, criminal and civil government investigations, and the antitrust aspects of mergers, acquisitions and joint ventures. His representations span numerous industry sectors, with a focus on pharmaceutical, medical device, transportation, food and beverage, and retail. Mr. McConnell has also advised clients in the securities and complex commercial litigation areas. Mr. McConnell is a Partner in the Commercial, Securities and Antitrust Litigation section of the firm’s Trial Practice Group. Mr. McConnell also maintains an active pro bono practice with a focus on prisoner civil rights cases.

Mr. McConnell is a 2009 graduate of Villanova University School of Law, where he was a member of the Villanova Law Review, and he is a 2005 graduate of the University of Notre Dame with a degree in Finance.


•Duane Morris LLP
- Partner, 2019-present
- Associate, 2015-2018

•Dechert LLP
- Associate, 2010-2015
•Homeless Advocacy Project
- Attorney, 2009-2010

Honors and Awards

•Listed in Pennsylvania Super Lawyers Rising Stars, 2015-2018

•Recognized as part of 2014 Antitrust Team of the Year by Chambers USA

Civic and Charitable Activities

•Malvern Preparatory School Alumni Board, Executive Committee

•University of Notre Dame Sorin Society

•Notre Dame Club of Philadelphia

Areas of Practice (3)

  • Antitrust and Competition
  • Complex Commercial Litigation
  • Mergers and Acquisitions

Education & Credentials

Contact Information:
1 215 979 1947  Phone
1 215 689 4856  Fax
University Attended:
University of Notre Dame, B.B.A., 2005
Law School Attended:
Villanova University School of Law, J.D., 2009
Year of First Admission:
U.S. Court of Appeals for the Third Circuit; U.S. District Court for the Middle District of Pennsylvania; U.S. Court of Appeals for the Eleventh Circuit; U.S. District Court for the Eastern District of Pennsylvania; New Jersey; Pennsylvania
Reported Cases:
Representative Matters: Antitrust and Competition: Defending generic pharmaceutical supplier in multidistrict price-fixing cases.; Defending prosthetic device supplier against antitrust claims brought by the FTC.; Defended a leading provider of travel commerce marketplace services against claims of monopolization and horizontal and vertical conspiracies in federal district court, resulting in a settlement the client found favorable.; Assisted a major U.S. airline complete a successful merger in the face of an intense DOJ and Congressional review of the transaction as well as through litigation in federal court.; Represented an office supply retailing company through an eight-month investigation by the FTC and the Attorneys General of several states, obtaining unconditional clearance of a merger.; Assisted a global technology filtration company craft a challenge to an FTC antitrust divestiture order in a U.S. court of appeals.; Counseled a supermarket operator through a negotiated consent decree with the FTC relating to a proposed transaction.; Defended an integrated media company against a lawsuit brought by the DOJ in federal district court challenging a proposed transaction.; Represented truck and equipment dealers in a series of class action cases involving claims of bid rigging and price-fixing of automotive component parts.; Represented physicians in a case involving claims arising from an alleged tying agreement.; Complex Commercial Litigation: Counseled a hedge fund through a lengthy investigation by the SEC and helped the client achieve a satisfactory settlement.; Represented a biotech firm against trade secret misappropriation claims by a pharmaceutical company.; Defended leading software company against allegations by California Office of the State Controller concerning the failed implementation of software.; Represented former shareholders of self-storage facilities company in a dispute over the terms and conditions of an operating agreement.; Defended leading retail danceware provider against claims arising from a contractual dispute.; Represented aviation services company in a dispute over the terms and conditions of a lease agreement.; Defended a transportation services company against claims relating to the failed implementation of software.; Represented former shareholders of laboratory services company in a dispute over the terms and conditions of a purchase agreement and escrow agreement.; Defended leading financial services company and won dismissal of claims involving a dispute over a deposit agreement.

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Philadelphia, Pennsylvania

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