Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more
Rituximab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more
As the era of biologics and biosimilar litigations heats up in the United States, Europe’s Unified Patent Court (UPC) is also taking center stage with the first two biosimilar disputes filed in March and April....more
The PTAB remains a busy venue for biologics patents. Here are some IPR updates from the weeks since our last IPR update...more
The PTAB has been a busy place for biologics patents in the past few weeks. Here are some of the highlights...more
Celltrion has filed three petitions for IPR of Biogen’s patents related to rituximab: IPR2017-01093, challenging U.S. Patent 8,329,172; IPR2017-01094 challenging U.S. Patent 8,557,244; and IPR2017-01095 challenging U.S....more