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Bass and Spangenberg target another pharma company through IPR

Michael Loney, New York


UPDATED APRIL 7 TO INCLUDE NEW IPR: Hayman Capital’s Kyle Bass and IP Nav’s Erich Spangenberg have targeted a second and third pharmaceutical company at the PTAB, filing inter partes review petitions challenging patents owned by Shire and Jazz

It may have been April 1, but hedge fund manager Kyle Bass was not fooling when he continued to make good on his promise to try to invalidate big pharmaceutical’s companies’ patents through the Patent Trial and Appeal Board (PTAB)....


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