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Judge Bumb issues post-trial decision finding infringement of one valid patent.

In a recent post-trial decision, Judge Renee Marie Bumb of the District of New Jersey, sitting by designation, considered the validity of Endo’s patented drug for the treatment of migraines. Endo Pharmaceuticals Inc. v. Mylan Pharmaceuticals Inc., Civ. No. 11-717 (RMB/KW) (D. Del. Jan. 28, 2014). Mylan previously had conceded that it infringed under the Court’s claim construction, with which Mylan disagreed. Accordingly, the trial focused on whether Endo’s patent was invalid as obvious, as anticipated, for lack of written description, or for failure to enable. The Court found no basis to find the patent invalid, and entered judgment in favor of Endo. During trial, Endo filed a terminal disclaimer relating to two other asserted patents, and unequivocally represented to the Court that it was abandoning its infringement claims with respect to those two patents. The Court found that Endo’s strategic decision had the effect of waiving those claims, and held that Endo is judicially estopped from asserting those patents against the defendant in the future.

Endo Pharmaceuticals Inc. v. Mylan Pharmaceuticals Inc., Civ. No. 11-717 (RMB/KW) (D. Del. Jan. 28, 2014).

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