Amster Rothstein and Ebenstein, LLP - Intellectual Property Law

ARE Patent Litigation Alert:
Federal Circuit Takes On Divided Infringement Issue

April 22, 2011
Author(s): Charles R. Macedo, Jessica Capasso

On April 20, 2011, the U.S. Court of Appeals for the Federal Circuit granted a petition for rehearing en banc in Akamai Technologies., Inc. v. Limelight Networks, Inc., No. 2009-1372, -1380 , -1416, -1417, 2011 U.S. App. LEXIS 8167, at *2 (Fed. Cir. Apr. 20, 2011) to address the question:

If separate entities each perform separate steps of a method claim, under what circumstances would that claim be directly infringed and to what extent would each of the parties be liable?

Akamai is one of several recent cases by the Federal Circuit requiring that all joint infringers be under the "direction or control" of a single entity in order to find direct infringement of a method claim.

The correctness of a "single infringer" rule and the requirement of "direction or control" recently was questioned by a divided panel decision in McKesson Technologies Inc. v. Epic Systems Corp, No. 2010-1291, 2011 U.S. App. LEXIS 7531, at *13-15 (Fed. Cir. Apr. 12, 2011).

For more information on how these recent developments may affect your organization, please contact one of our attorneys.



*Charles R. Macedo is a partner and Jessica Rasmussen is an associate at Amster, Rothstein & Ebenstein LLP. Their practice specializes in intellectual property issues including litigating patent, trademark and other intellectual property disputes. They may be reached at [email protected] and [email protected].

Mr. Macedo is also the author of The Corporate Insider’s Guide to U.S. Patent Practice, published by Oxford University Press in 2009.




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