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William J. Marsden Jr.

Principal


302-778-8401
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William J. Marsden, Jr. is the founder and Managing Principal in Fish & Richardson P.C.'s Delaware office. He also serves on the firm’s nationwide Management Committee. His practice is focused on patent litigation in the Delaware District Court and other federal district courts around the country. He has participated in over 30 patent trials, including more than 20 jury trials. His cases have covered a wide range of technical arts, from pharmaceuticals and medical devices to integrated circuit design and software. In addition to patent litigation, his practice includes high profile corporate and commercial disputes in federal and state courts, including Delaware’s highly regarded Court of Chancery. He has argued appeals in the Delaware Supreme Court, the Third Circuit Court of Appeals, and the Federal Circuit Court of Appeals.

Admissions

  • Delaware
  • United States District Court for the District of Delaware
  • United States Court of Appeals for the Third Circuit
  • United States Court of Appeals for the Federal Circuit

Memberships and Affiliations

Advisory Board, The Technology-Based Seed Fund Administered by The Delaware Economic Development Office.
The Franklin Institute Science Museum Executive Corporate Committee.
Member of the Corporation of Haverford College.

Other Distinctions

Honors
Recognized as one of the Top Ten Litigators in Delaware by The National Law Journal (1999). Selected by his peers for recognition in The Best Lawyers in America each year since 2006. Since 2004, he's been recognized as one of America’s Leading Business Lawyers by Chambers USA. Listed as a Delaware "Super Lawyer" in the 2007 edition of Pennsylvania Super Lawyers magazine. Also recognized as one of Delaware’s "Top Lawyers" in intellectual property law by Delaware Today magazine.

Co-Chair (2003) The Sedona Conference on Patent Litigation, a nationally recognized conference on cutting edge issues in patent litigation. Member (2004-) The District Court Advisory Committee for the United States District Court for the District of Delaware. Master (2003-) Richard S. Rodney Inn of Court. Former Chair of the Delaware State Bar Association's Section of Intellectual Property. Past Member, Advisory Committee on Intellectual Property Litigation for the United States District Court for the District of Delaware.

Recognized as one of "The World’s Leading Patent Litigators" by Intellectual Asset Management (IAM) Patent Litigation 250.

Selected publications
"The Supreme Court Creates More Freedom to Challenge Patents," with R. Scott, Technology Times, (August 1, 2007).

"The Role of Standards in the Development of VoIP Technology," with F. Yu, Technology Times, (June 15, 2006).

"Drug Research Gets Green Light But A Key Question Remains," with S. Stamoulis, Technology Times, (November 2005).

"Tool Resolves Technology Disputes," with S. Hayes, Technology Times, (July 2005).

"Business Owners Have an Affirmative Duty to Determine if They Are Infringing a Patent," with T. Devlin, Technology Times, (January 2005).

Recent speaking engagements
National Business Institute, Newark, DE, February 20, 2009, "Evidence and Expert Testimony in Federal Court."

Philadelphia Intellectual Property Law Association and Delaware State Bar Association Section of Intellectual Property Law, Wilmington, DE, December 10, 2008, "Trying Technology Disputes: IP Litigation in the ITC, District Court and Delaware Court of Chancery."

19th Annual All Hands Meeting, Silicon Valley Association of General Counsel, Santa Clara, CA, December 4, 2007, "Recent Supreme Court and Federal Circuit Decisions That You Must Be Aware of When Developing Life Sciences IP Strategies."

IP Law & Business Winter Briefing, Washington, DC, November 9, 2007, "Strategic Venue Decisions - Tips on Choosing the Right Venue in Today's Ever-Changing Legal Landscape."

IPO Annual Meeting, New York, NY, September 11, 2007, Damages and Litigation Committees presentation titled "Resolving Patent Litigation with Risk Assessment."

IP Law & Business Spring Briefing in San Jose, CA, May 16, 2007, "Strategic Venue Decisions - Tips on Choosing the Right Venue in Today's Ever-Changing Legal Landscape."

Education

  • BA, Haverford College 1978
  • JD, University of North Carolina at Chapel Hill School of Law 1983