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Judge Stark construes claims of patent relating to newly isolated bacterial agent

Judge Leonard P. Stark recently issued a claim construction opinion construing disputed claim terms of U.S. Patent No. 5,610,059 entitled “Etiological Agent for Porcine Enteritis.” Intervet Inc. d/b/a Merck Animal Health, et al., v. Boehringer Ingelheim Vetmedica, Inc., C.A. No. 11-595-LPS (D Del. Dec. 7, 2012). Judge Stark construed the following terms:

“a biologically pure culture of a mammalian host cell”
“an obligate intracellular bacterium that causes porcine proliferative enteritis after inoculation into pigs”
“Porcine Proliferative Enteritis”
“having all of the identifying characteristics of ATCC Accession No. 55370”


Intervet Inc. d/b/a Merck Animal Health, et al., v. Boehringer Ingelheim Vetmedica, Inc., C.A. No. 11-595-L…

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