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Douglas E. McCann

IP firm in

Douglas E. McCann leads patent litigation at Fish & Richardson in Wilmington, DE, representing global companies in intellectual property cases across life sciences and technology sectors.

Douglas E. McCann: IP firm in Philadelphia

Douglas E. McCann leads patent litigation at Fish & Richardson’s office at 222 Delaware Ave, Wilmington, DE, representing global companies in critical intellectual property cases. His practice includes:

  • Life sciences and biotech patent litigation
  • Medical device and technology patent disputes
  • Trial experience across multiple jurisdictions including Delaware, California, and Texas
  • Inter partes review proceedings and Federal Circuit appeals

With previous experience as an assistant U.S. attorney for the District of Delaware and service on judicial advisory committees, McCann brings strategic litigation expertise to patent cases throughout the Mid-Atlantic region.

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Intellectual Property Fields

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Douglas E. McCann

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Douglas E. McCann is located at 222 Delaware Ave, Wilmington, DE 19801, United States, but you can meet them at events. You’ll find the complete list below.

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Closed

9:00 am - 5:00 pm

  • Monday

    9:00 am - 5:00 pm

  • Tuesday

    9:00 am - 5:00 pm

  • Wednesday

    9:00 am - 5:00 pm

  • Thursday

    9:00 am - 5:00 pm

  • Friday

    9:00 am - 5:00 pm

  • Saturday

    Closed all day

  • Sunday

    Closed all day

  • Local time

    August 21, 2025 3:57 am
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