(February 22, 2019, 9:57 AM EST) -- ALEXANDRIA, Va. — Seven claims of a recently granted patent covering a device for evaluating homeostasis should not have been issued because they lack adequate written description support, a petitioner for post-grant review told the Patent Trial and Appeal Board on Feb. 21 (Instrumentation Laboratory Company v. HemoSonics LLC, No. PGR2019-00033, PTAB)....