David J. Shannon, Attorney


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David J. Shannon update listing

Litigation, Trademark, Internet, Corporate, General Practice

215-575-2615


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David concentrates a substantial portion of his practice in the defense of design professionals in matters regarding intellectual property, technology litigation, copyright infringement, trademark, trade secret, and trade dress litigation. While much of David's practice focuses on matters in both Pennsylvania and New Jersey, he has experience in defending intellectual property cases venued throughout the United States.

Additionally, David represented design professionals in a variety of construction industry related claims.  David has extensive experience in representing architects, engineers, surveyors, commercial property owners, general contractors, subcontractors and landscapers.  David has defended his clients in cases that involved claims for design errors and omissions and other contractual and negligence claims.

David's experience is not limited to the defense of intellectual property and construction claims, but also includes the litigation of real estate, products liability, medical malpractice, insurance bad faith, personal injury, and premises liability matters. Over the past ten years, David has tried a number of bench trials, jury trials, and arbitrations.

In 1990 David received his B.A. in political science from Denison University. He then attended Widener University School of Law and received his J.D. in 1994. His legal experience includes working for a boutique civil litigation firm in the intellectual property department.

When not practicing law, David has played an active role in community affairs serving as a past member of Narberth Borough Recreation Board, Past President of the Narbrook Park Improvement Association, Former Narberth Borough Zoning Hearing Board Member, as well as being a candidate for Narberth Borough Council in 2003. David has also served on the executive board of the Young Friends of the Philadelphia Museum of Art from 2002 to 2004.

Significant Representative Matters

  • Obtained voluntary dismissal of trade secret and theft of confidential information matter where the initial demand was over $300,000 by demonstrating that no trade secrets existed in the plaintiff's manufacturing process.

  • Successfully obtained summary judgment in an architectural copyright infringement action by demonstrating that client did not infringe on the plaintiff's drawings for a country club.

  • Successfully obtained a voluntary dismissal of a claim for engineering professional negligence after filing summary judgment motion that demonstrated plaintiff's claims in an artificial turf project had no merit.

  • Represented international software companies in numerous copyright and trademark infringement actions that have generated more than $3 million in settlement.

  • Obtained numerous injunctions for international software companies throughout the United States against counterfeiters of software products.

  • Successfully defended international chemical company in temporary and permanent injunction hearings regarding stolen trade secrets and hiring of former plant manager.

  • Represented international sporting goods company in several multimillion dollar copyright and trademark infringement actions.

  • Obtained permanent injunction for international fashion design company in counterfeit action.

  • Defended bobble head manufacturing company in multi million dollar copyright and trademark infringement action.
  • Position Organization Location Duration
    School Degree Major Graduation
    Widener University School of Law Law SchoolN/A  
    Denison University
    State / Court Date
    New Jersey1995
    Pennsylvania1994
    District 1
    Sun. Mon. Tue. Wed. Thu. Fri. Sat.


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    Service Type: Private

    Update Date: 2023-10-19

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    Change Date Change Field Previous Content
    2020-01-02Phone+1 2155752600
    2021-10-21Phone856-414-6000
    2022-01-20Phone215-575-2615
    2023-11-02Firm NameMarshall Dennehey Warner Coleman & Goggin
    2020-01-02Address1845 Walnut Street Philadelphia PA 19103 US
    2021-10-21Address15000 Midlantic Dr P.O. Box 5429, Suite 200 Mount Laurel NJ 08054 US
    2022-01-20Address2000 Market St Suite 2300 Philadelphia PA 19103 US
    David J. Shannon
    2000 Market St
    Suite 2300
    Philadelphia, PA 19103
    39.9525,-75.1644

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    2000 Market St
    Suite 2300
    Philadelphia, PA 19103


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