Gregory A. Castanias

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Washington,  DC  U.S.A.

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Practice Areas

  • Litigation
  • Appellate Practice
  • Intellectual Property
  • International Arbitration
University Wabash College, A.B., English/Philosophy, 1987
Law SchoolIndiana University, J.D., 1990
Admitted1993, Virginia; 1994, District of Columbia

Order of the Coif. Law Clerk to Judge Pratt, U.S. Court of Appeals, Second Circuit, 1991-1992.


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Recent Federal Circuit Decision Underscores that PTAB's Discretionary Rulings at the Institution Stage Are Not Subject to Appellate Review
Gregory A. Castanias,David B. Cochran,Matthew W. Johnson,Sasha Mayergoyz, August 20, 2015
On August 11, 2015, the Federal Circuit issued two separate nonprecedential opinions addressing the decision of the Patent Trial and Appeal Board ("PTAB") in an inter partes review ("IPR") proceeding between Schott Gemtron Corporation ("Petitioner") and patent owner...

Suprema v. ITC: Induced Infringement of a Method Patent Supports a Section 337 Violation
Gregory A. Castanias,David M. Maiorana, August 17, 2015
On August 10, 2015, the en banc United States Court of Appeals for the Federal Circuit held that articles that do not directly infringe until after they have been imported into the United States may nonetheless qualify as "articles ... that infringe" that can be excluded from entry by the...

Federal Circuit's Unanimous En Banc Decision Focuses on "Attribution to a Single Entity" to Establish Divided-Infringement Liability
Gregory A. Castanias,Anthony M. Insogna,David M. Maiorana,Sasha Mayergoyz,Matthew J. Silveira, August 17, 2015
On August 13, 2015, the Federal Circuit issued an en banc decision in Akamai Technologies, Inc. v. Limelight Networks, Inc., stating in a per curiam opinion that "we unanimously set forth the law of divided infringement under 35 U.S.C. § 271(a)." In doing so, the court held that...

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Office Information

Gregory A. Castanias

51 Louisiana Avenue, N.W.
WashingtonDC 20001-2113


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