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Joinder Of Unrelated Infringers As Defendants In Patent Litigation Under The Jurisprudence Of The United States District Court For Eastern District Of Texas—A Critical Review, Ping-Hsun Chen

Ping-Hsun Chen

On September 16, 2011, the American patent system started a new era because of the enactment of the Leahy-Smith America Invents Act (“AIA”). 35 U.S.C. § 299 was enacted to limit district court’s power to permit joinder of unrelated infringers as defendants in a single lawsuit. Before that, district courts apply Rule 20 of the Federal Civil Procedure. The Eastern District of Texas had permitted joinder only because the same patent was infringed. By introducing § 299, Congress intended to abrogate such approach. Later, the Federal Circuit in In re EMC limited the practice of Rule 20 and required a …