CT-P42 Approval Pending
CT-P42 Approval Pending
U.S. License Holder:
Celltrion
Date of License:
aBLA submitted to FDA June-2023
Last Update:
Jan-23-2025
FDA-Approved IndicationsCT-P42 (aflibercept) is not FDA-approved. An aBLA has been submitted to the FDA.
Approved Foreign Follow-On Biologics / BiosimilarsEydenzelt (Celltrion) (May-2024)
Inter Partes Review ProceedingsU.S. Patent No.
9,669,069 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders)
Patent Owner
Regeneron Pharmaceuticals, Inc.
Petitioner(s)
Celltrion, Inc.; Celltrion Healthcare Co., Ltd.; Celltrion Healthcare USA, Inc.
§ 102 Challenge
Y: Claims 1, 8-12
Claim Types Challenged Under § 102
Method of Treatment
§ 102 Challenge Instituted
Y (Joined)
§ 103 challenge
Y: Claims 1, 8-12
Claim Types Challenged Under § 103
Method of Treatment
§ 103 Challenge Instituted
Y (Joined)
Final Written Decision Issued
Y
Federal Circuit Appeal(s)
23-1395
IPR Status
Joined with IPR2021-00880; Final Written Decision (All Challenged Claims Unpatentable); Fed. Cir. Appeal Voluntarily Dismissed
U.S. Patent No.
9,254,338 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders)
Patent Owner
Regeneron Pharmaceuticals, Inc.
Petitioner(s)
Celltrion, Inc.; Celltrion Healthcare Co., Ltd.; Celltrion Healthcare USA, Inc.
§ 102 Challenge
Y: Claims 1, 3-11, 13-14, 16-24, 26
Claim Types Challenged Under § 102
Method of Treatment
§ 102 Challenge Instituted
Y (Joined)
§ 103 challenge
Y: Claims 1, 3-11, 13-14, 16-24, 26
Claim Types Challenged Under § 103
Method of Treatment
§ 103 Challenge Instituted
Y (Joined)
Final Written Decision Issued
Y
Federal Circuit Appeal(s)
23-1396 (consolidated with lead appeal 23-1395)
IPR Status
Joined with IPR2021-00881; Final Written Decision (All Challenged Claims Unpatentable); Fed. Cir. Appeal Voluntarily Dismissed
U.S. Patent No.
10,464,992 (VEGF Antagonist Formulations Suitable for Intravitreal Administration)
Patent Owner
Regeneron Pharmaceuticals, Inc.
Petitioner(s)
Celltrion, Inc.; Celltrion Healthcare Co., Ltd.; Celltrion Healthcare USA, Inc.
§ 102 Challenge
Y: Claims 1-18
Claim Types Challenged Under § 102
Formulation
§ 102 Challenge Instituted
Y
§ 103 challenge
Y: Claims 1-18
Claim Types Challenged Under § 103
Formulation
§ 103 Challenge Instituted
Y
Settled / Challenged Claims Disclaimed / Challenge Terminated
Y (Patent Owner Disclaimed All Challenged Claims After Institution Decision)
IPR Status
Adverse Judgment After Disclaimer
U.S. Patent No.
10,130,681 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders)
Patent Owner
Regeneron Pharmaceuticals, Inc.
Petitioner(s)
Celltrion, Inc.; Celltrion Healthcare Co., Ltd.; Celltrion Healthcare USA, Inc.
§ 102 Challenge
Y: Claims 1, 3-11, 13-14, 16-24, 26
Claim Types Challenged Under § 102
Method of Treatment
§ 102 Challenge Instituted
Y (Joined)
§ 103 challenge
Y: Claims 1, 3-11, 13-14, 16-24, 26
Claim Types Challenged Under § 103
Method of Treatment
§ 103 Challenge Instituted
Y (Joined)
Final Written Decision Issued
y
Federal Circuit Appeal(s)
24-1564 (lead appeal, conslidated with 24-1567)
IPR Status
Joined with IPR2022-01225; Final Written Decision (All Challenged Claims Unpatentable); Federal Circuit Appeal Voluntarily Dismissed
U.S. Patent No.
10,888,601 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders)
Patent Owner
Regeneron Pharmaceuticals, Inc.
Petitioner(s)
Celltrion, Inc.; Celltrion Healthcare Co., Ltd.; Celltrion Healthcare USA, Inc.
§ 102 Challenge
Y: Claims 1-9, 34-39, 41-43, 45
Claim Types Challenged Under § 102
Method of Treatment
§ 102 Challenge Instituted
Y (Joined)
§ 103 challenge
Y: Claims 1-9, 34-39, 41-43, 45
Claim Types Challenged Under § 103
Method of Treatment
§ 103 Challenge Instituted
Y (Joined)
Final Written Decision Issued
y
Federal Circuit Appeal(s)
24-1567 (consolidated with lead appeal 24-1564)
IPR Status
Joined with IPR2022-01226; Final Written Decision (All Challenged Claims Unpatentable); Federal Circuit Appeal Voluntarily Dismissed
U.S. Patent No.
10,406,226 (Method of Manufacturing VEGF Antagonist Fusion Proteins)
Patent Owner
Regeneron Pharmaceuticals, Inc.
Petitioner(s)
Celltrion, Inc.
§ 102 Challenge
N
§ 103 challenge
Y: Claims 1-4
Claim Types Challenged Under § 103
Manufacturing
§ 103 Challenge Instituted
N
Settled / Challenged Claims Disclaimed / Challenge Terminated
Y (Patent Owner Disclaimed All Challenged Claims Prior to Institution Decision)
IPR Status
Institution Denied Due to Disclaimer of All Challenged Claims
U.S. Patent No.
11,253,572 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders)
Patent Owner
Regeneron Pharmaceuticals, Inc.
Petitioner(s)
Celltrion, Inc.
§ 102 Challenge
Y: Claims 1-5, 8-11, 15-17, 20-21, 24, 26-30
Claim Types Challenged Under § 102
Method of Treatment
§ 102 Challenge Instituted
Y (Joined)
§ 103 challenge
Y: Claims 1-14, 16-23, 25-30
Claim Types Challenged Under § 103
Method of Treatment
§ 103 Challenge Instituted
Y (Joined)
Settled / Challenged Claims Disclaimed / Challenge Terminated
Y (Adverse Judgment Due to Disclaimer)
IPR Status
Joined with IPR2023-00884; Adverse Judgment After Institution Due to Disclaimer
U.S. Patent No.
11,084,865 (VEGF Antagonist Formulations Suitable for Intravitreal Administration)
Patent Owner
Regeneron Pharmaceuticals, Inc.
Petitioner(s)
Celltrion, Inc.
§ 102 Challenge
Y: Claims 1-17, 19-42, 44-50
Claim Types Challenged Under § 102
Formulation
§ 102 Challenge Instituted
Awaiting Institution Decision
§ 103 challenge
Y: Claims 1-50
Claim Types Challenged Under § 103
Formulation
§ 103 Challenge Instituted
Awaiting Institution Decision
IPR Status
Awaiting Institution Decision
U.S. Patent No.
10,857,231 (Formulations of VEG Antagonist Fusion Proteins and Method of Manufacturing Them)
Patent Owner
Regeneron Pharmaceuticals, Inc.
Petitioner(s)
Celltrion, Inc.; Celltrion Healthcare Co., Ltd.; Celltrion Healthcare USA, Inc.
§ 102 Challenge
N
§ 103 challenge
Y: Claims 1-4, 6-11, 18-21, 27-32, 41-45, 58-59
Claim Types Challenged Under § 103
Formulation
§ 103 Challenge Instituted
N
IPR Status
Challenges Include Written Description (Claims 1-11, 17-21, 27-32, 41-53, 58-67), Enablement (Claims 1-11, 17-21, 27-32, 41-53, 58-67), and Indefiniteness (Claims 1-11, 17-21, 27-32, 41-53, 58-67); Institution Denied
U.S. Patent LitigationsU.S. Patent Nos.
7,070,959 (Modified Chimeric Polypeptides with Improved Pharmacokinetic Properties) 9,222,106 (Enhanced Expression and Stability Regions) 9,254,338 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 9,315,281 (System and Methods for Use in Dispensing Biopharmaceutical Materials) 9,816,110 (CHO Integration Sites and Uses Thereof) 10,130,681 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 10,415,055 (Enhanced Expression and Stability Regions) 10,464,992 (VEGF Antagonist Formulations Suitable for Intravitreal Administration) 10,669,594 (Compositions and Methods for Detecting a Biological Contaminant) 10,828,345 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 10,888,601 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 10,927,342 (Taurine Supplemented Cell Culture Medium and Methods of Use) 11,053,280 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,066,458 (VEGF Antagonist Formulations Suitable for Intravitreal Administration) 11,084,865 (VEGF Antagonist Formulations Suitable for Intravitreal Administration) 11,104,715 (Methods for Producing Aflibercept in Chemically Defined Media Having Reduced Aflibercept Variants) 11,174,283 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,253,572 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 11,299,532 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,306,135 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,312,936 (Taurine Supplemented Cell Culture Medium and Methods of Use) 11,332,771 (Serum-Free Cell Culture Medium) 11,459,374 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,472,861 (Methods for Producing Aflibercept in Chemically Defined Media Having Reduced Aflibercept Variants) 11,485,770 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,505,593 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,525,833 (Hydrophobic Interaction Chromatography-Coupled Native Mass Spectrometry for Antibody Analysis) 11,535,663 (Methods for Producing Aflibercept in Chemically Defined Media Having Reduced Aflibercept Variants) 11,542,317 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,548,932 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,555,176 (Cell Culture Medium for Eukaryotic Cells) 11,559,564 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 11,707,506 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 11,732,024 (VEGF Antagonist Formulations Suitable for Intravitreal Administration) 11,753,459 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,769,597 (Methods of Associating Genetic Variants with a Clinical Outcome in Patients Suffering from Age-Related Macular Degeneration Treated with Anti-VEGF) 11,788,102 (CHO Integration Sites and Uses Thereof) 11,793,926 (Medical Device Packaging and Related Methods)
Plaintiffs
Regeneron Pharmaceuticals, Inc.
Defendants
Celltrion, Inc.
Federal Circuit Appeal(s)
Preliminary Injunction: 24-2058 (lead), 24-2147 (consolidated)
Status
Case Ongoing, Preliminary Injunction Granted, Federal Circuit Appeals Ongoing
BPCIA
Y
U.S. Patent Nos.
9,222,106 (Enhanced Expression and Stability Regions) 9,254,338 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 9,315,281 (System and Methods for Use in Dispensing Biopharmaceutical Materials) 9,816,110 (CHO Integration Sites and Uses Thereof) 10,130,681 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 10,415,055 (Enhanced Expression and Stability Regions) 10,669,594 (Compositions and Methods for Detecting a Biological Contaminant) 10,828,345 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 10,888,601 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 10,927,342 (Taurine Supplemented Cell Culture Medium and Methods of Use) 11,066,458 (VEGF Antagonist Formulations Suitable for Intravitreal Administration) 11,084,865 (VEGF Antagonist Formulations Suitable for Intravitreal Administration) 11,253,572 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 11,312,936 (Taurine Supplemented Cell Culture Medium and Methods of Use) 11,332,771 (Serum-Free Cell Culture Medium) 11,505,593 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,525,833 (Hydrophobic Interaction Chromatography-Coupled Native Mass Spectrometry for Antibody Analysis) 11,555,176 (Cell Culture Medium for Eukaryotic Cells) 11,559,564 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 11,707,506 (Use of a VEGF Antagonist to Treat Angiogenic Eye Disorders) 11,732,024 (VEGF Antagonist Formulations Suitable for Intravitreal Administration) 11,753,459 (Anti-VEGF Protein Compositions and Methods for Producing the Same) 11,769,597 (Methods of Associating Genetic Variants with a Clinical Outcome in Patients Suffering from Age-Related Macular Degeneration Treated with Anti-VEGF) 11,788,102 (CHO Integration Sites and Uses Thereof) 11,793,926 (Medical Device Packaging and Related Methods)
Plaintiffs
Regeneron Pharmaceuticals, Inc.
Defendants
Celltrion, Inc.
Status
Case Ongoing
BPCIA
Y
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