Beginning in November 2024, Merck Sharp & Dohme, LLC (“Merck”) requested post-grant review (“PGR”) of 14 patents owned by Halozyme, Inc. (“Halozyme”), with claims directed to modified PH20 hyaluronidase polypeptides,...more
10/27/2025
/ Biologics ,
Enablement Inquiries ,
Intellectual Property Litigation ,
Merck ,
Obviousness ,
Patent Invalidity ,
Patent Trial and Appeal Board ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Post-Grant Review ,
Written Descriptions
On September 18, 2025, the Patent Trial and Appeal Board (“Board”) issued a Final Written Decision (“FWD”) in Merck’s IPR2024-00625 against The Johns Hopkins University’s (“JHU”) U.S. Patent No. 11,339,219 B2 (“the ’219...more
Beginning in November 2024, Merck Sharp & Dohme, LLC (“Merck”) requested post-grant review (“PGR”) of 14 patents owned by Halozyme, Inc. (“Halozyme”), with claims directed to modified PH20 hyaluronidase polypeptides,...more
On September 30, 2025, Amgen and Biocon Biologics reached a settlement in Case No. 1:25-cv-13358 (D.N.J.) / MDL 1:25-md-03138 (D.N.J.). The litigation related to Biocon’s Prolia® / Xgeva® (denosumab) provisionally...more
10/8/2025
/ Amgen ,
Biocon ,
Biosimilars ,
Food and Drug Administration (FDA) ,
Life Sciences ,
Patent Infringement ,
Patent Litigation ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Sandoz ,
Settlement
On September 9, 2025, Sandoz announced it reached a settlement agreement with Regeneron, dismissing Case No. 1:24-cv-00085 (N.D.W. Va.) / MDL 1:24-md-03103 (N.D.W. Va.) and allowing the commercialization...more
On September 5, 2025, Amgen and Samsung Bioepis reached a settlement in Case No. 1:24-cv-08417 (D.N.J.) / 1:25-md-3138 (D.N.J.), and the Court entered a consent judgment. The litigation related to Samsung Bioepis’s Prolia® /...more
9/30/2025
/ Amgen ,
Biologics ,
Biosimilars ,
BPCIA ,
Food and Drug Administration (FDA) ,
Intellectual Property Litigation ,
Patent Infringement ,
Patent Litigation ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Samsung ,
Settlement
On July 24, 2025, the PTO Acting Director Coke Morgan Stewart discretionarily denied Amgen’s IPR2025-00601 and IPR2025-00602 challenging Bristol-Myers Squibb’s (“BMS”) U.S. Patent Nos. 9,856,320 (“the ’320 patent”) and...more
8/1/2025
/ Amgen ,
Biosimilars ,
BPCIA ,
Bristol-Myers Squibb ,
Denial of Institution ,
Intellectual Property Litigation ,
Inter Partes Review (IPR) Proceeding ,
Life Sciences ,
Patent Trial and Appeal Board ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
USPTO
On July 16, 2025, Amgen and Accord settled Case No. 1:25-cv-01305 (D.N.J.) / MDL 1:25-md-03138 (D.N.J.) alleging infringement of 34 of Amgen’s patents by Accord’s proposed Prolia® / Xgeva® (denosumab) biosimilar INTP23...more
On July 15, 2025, the FDA approved Biocon’s Kirsty™ (insulin aspart-xjhz) as the first interchangeable biosimilar of Novo Nordisk’s NovoLog® (insulin aspart). ...more
Etanercept 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
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
Pegfilgrastim 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
7/15/2025
/ Biosimilars ,
Drug Pricing ,
FDA Approval ,
Generic Drugs ,
Inter Partes Review (IPR) Proceeding ,
Patent Invalidity ,
Patent Litigation ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Prescription Drugs
On June 25, 2025, Amgen filed its sixth and seventh BPCIA lawsuits against proposed biosimilars of Prolia® / Xgeva® (denosumab), Case No. 1:25-cv-12152 (D.N.J.) against Hikma and Gedeon Richter’s RGB-14 and Case No....more
On June 9, 2025, the Patent Trial and Appeal Board (“Board”) issued a Final Written Decision (“FWD”) in Merck’s IPR2024-00240 against The Johns Hopkins University’s (“JHU”) U.S. Patent No. 11,591,393 (“the ’393 patent”),...more
7/3/2025
/ Claim Construction ,
Inter Partes Review (IPR) Proceeding ,
Johns Hopkins ,
Litigation Strategies ,
Obviousness ,
Patent Invalidity ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Prior Art
On June 26, 2025, Sarepta Therapeutics filed IPR2025-01194, challenging as obvious claims 3-6 of Genzyme’s U.S. Patent No. 9,051,542 (“the ’542 patent), and IPR2025-01195 challenging claims 1-4, 6-7 and 11 of U.S. Patent No....more
Etanercept 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
Pegfilgrastim 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
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
Trastuzumab 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
Adalimumab 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
Insulin Glargine 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
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
On June 2, 2025, Sandoz announced the launch of Jubbonti® / Wyost® (denosumab-bbdz), the first Prolia® / Xgeva® (denosumab) interchangeable biosimilars to launch in the U.S....more
6/12/2025
/ Amgen ,
Biosimilars ,
Food and Drug Administration (FDA) ,
Generic Drugs ,
Interchangeability ,
Patent Litigation ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Prescription Drugs ,
Sandoz ,
Settlement Agreements
Pegfilgrastim 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
5/13/2025
/ Biosimilars ,
Generic Drugs ,
Intellectual Property Litigation ,
Inter Partes Review (IPR) Proceeding ,
Patent Infringement ,
Patent Litigation ,
Patent Validity ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Prescription Drugs
Etanercept 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