PTAB to Review Cancer Dosage Drug Patent Despite Judge Dissent

Dr. Reddy’s Laboratories Inc. convinced an administrative tribunal to probe whether a patent owned by AbbVie Inc., Genentech Inc., and Hoffman-La Roche AG for treating certain types of blood cancer should have been issued, over the objections of one administrative patent judge.

The Patent Trial and Appeal Board said Monday it will review the validity of US Patent No. 10,993,942, which covers an escalating drug dosage schedule to treat chronic lymphocytic leukemia and small lymphocytic lymphoma. The patent is at issue in a pair of AbbVie, Genentech, and Hoffman-La Roche lawsuits that accuse Dr. Reddy’s and Alembic ...