Purdue Pharma defends petition for post-grant review of patent against Collegium Pharmaceutical Inc.
Client(s) Purdue Pharma L.P.
Jones Day represented patent owner Purdue Pharma L.P. in a post-grant review (PGR) proceeding brought by petitioner Collegium Pharmaceutical Inc. relating to a patent directed to a pharmaceutical formulation containing gelling agent.
Collegium Pharmaceutical, Inc. v. Purdue Pharma LP et al., PGR2018-00048 (PTAB)