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April busy for IPR filing, including 10 petitions from Kyle Bass

Michael Loney, New York


USPTO data reveals 148 PTAB petitions were filed in April. The month was notable for an escalation of Kyle Bass and Erich Spangenberg’s targeting of pharma companies, with 14 IPR petitions now filed by their Coalition for Affordable Drugs

According to figures from the USPTO, 139 inter partes review (IPR) petitions, seven covered business method (CBM) review petitions and two derivation proceeding petitions were filed in April this year. ...


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