U.S. Patent No.
8,580,264 (Subcutaneously Administered Anti-IL6 Receptor Antibody)
Patent Owner
Chugai Seiyaku Kabushiki Kaisha; Hoffmann-La Roche Inc.; Genentech, Inc.
Petitioner(s)
Celltrion, Inc.; Celltrion Healthcare Co. Ltd.; Celltrion Healthcare USA, Inc.
§ 102 Challenge
Y: Claims 1-3, 6-12
Claim Types Challenged Under § 102
Method of Treatment
§ 102 Challenge Instituted
Y
§ 103 challenge
Y: Claims 1-12
Claim Types Challenged Under § 103
Method of Treatment
§ 103 Challenge Instituted
Y
Final Written Decision Issued
Y
Federal Circuit Appeal(s)
24-1115 (Consolidated with lead appeal 24-1111)
IPR Status
Final Written Decision (All Challenged Claims Unpatentable); Federal Circuit Appeal Voluntarily Dismissed
U.S. Patent No.
10,874,677 (Subcutaneously Administered Anti-IL6 Receptor Antibody)
Patent Owner
Chugai Seiyaku Kabushiki Kaisha; Hoffmann-La Roche Inc.; Genentech, Inc.
Petitioner(s)
Celltrion, Inc.; Celltrion Healthcare Co. Ltd.; Celltrion Healthcare USA, Inc.
§ 102 Challenge
Y: Claims 1, 5
Claim Types Challenged Under § 102
Other (Drug Delivery Device)
§ 102 Challenge Instituted
Y
§ 103 challenge
Y: Claims 1-8
Claim Types Challenged Under § 103
Other (Drug Delivery Device)
§ 103 Challenge Instituted
Y
Final Written Decision Issued
Y
Federal Circuit Appeal(s)
24-1111 (Lead, consolidated with 24-1115)
IPR Status
Final Written Decision (All Challenged Claims Unpatentable); Federal Circuit Appeal Voluntarily Dismissed