On April 7, 2025, Samsung Bioepis and Teva announced the launch of Epysqli® (eculizumab-aagh), a provisionally interchangeable biosimilar of Alexion / AstraZeneca’s Soliris® (eculizumab), at a 30% discount to Soliris®’s...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
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
4/18/2025
/ Intellectual Property Litigation ,
Inter Partes Review (IPR) Proceeding ,
Life Sciences ,
Patent Infringement ,
Patent Litigation ,
Patent Validity ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Prescription Drugs ,
Prior Art
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
4/18/2025
/ Biosimilars ,
Generic Drugs ,
Intellectual Property Litigation ,
Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Patent Infringement ,
Patent Litigation ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Section 102 ,
Section 103
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
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
4/17/2025
/ Biosimilars ,
Generic Drugs ,
Intellectual Property Litigation ,
Inter Partes Review (IPR) Proceeding ,
Patent Infringement ,
Patent Invalidity ,
Patent Litigation ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Prescription Drugs ,
Prior Art
On March 18, 2025, Alvotech and Dr. Reddy’s announced the FDA acceptance of an aBLA for AVT03 (denosumab), a proposed biosimilar of Amgen’s Prolia® / Xgeva® (denosumab). Under their agreement, Alvotech is responsible for the...more
On March 17, 2025, Senators Chuck Grassley (R-IA), John Cornyn (R-TX), Richard Blumenthal (D-CT), and Richard Durbin (D-IL) re-introduced the “Affordable Prescriptions for Patients Act” (“APPA”), which previously passed the...more
4/3/2025
/ Abbreviated New Drug Application (ANDA) ,
Biosimilars ,
BPCIA ,
Drug Pricing ,
FDA Approval ,
Healthcare ,
Medicare ,
Patent Litigation ,
Patents ,
Pharmaceutical Patents ,
Proposed Legislation ,
Regulatory Requirements
On March 3, 2025, Fresenius Kabi and Formycon announced the launch of Otulfi™ (ustekinumab-aauz), a provisionally interchangeable biosimilar of Janssen / Johnson & Johnson’s Stelara® (ustekinumab), subject to the...more
On March 7, 2025, the FDA approved Celltrion’s Omlyclo® (omalizumab-igec), the first interchangeable biosimilar of Genentech’s Xolair® (omalizumab). Omlyclo® was approved for all of Xolair®’s approved indications, including...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
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
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
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
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
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
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
Denosumab Challenged Claim Types in Litigation: Claims are counted in each litigation, so claims from the same patent challenged in multiple litigations are counted more than once. Within each litigation a claim is counted...more
On February 28, 2025, Amgen filed three IPRs against Bristol-Myers Squibb’s patents covering methods of treatment using a combination of Opdivo® (nivolumab), an anti-PD-1 antibody, and Yervoy® (ipilimumab), an anti-CTLA-4...more
3/5/2025
/ Amgen ,
Biosimilars ,
FDA Approval ,
Intellectual Property Litigation ,
Inter Partes Review (IPR) Proceeding ,
Life Sciences ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents
Three Stelara® (ustekinumab) biosimilars launched in the U.S. in the past week, Alvotech / Teva’s Selarsdi™ (ustekinumab-aekn) on February 21, 2025, and Sandoz / Samsung Bioepis’s Pyzchiva® (ustekinumab-ttwe) and Biocon’s...more
On February 19, 2025, Wilson Wolf Manufacturing and Sarepta’s stipulated dismissal with prejudice of Case No. 1:19-cv-02316 (D. Del.) related to the manufacturing of Elevidys® (delandistrogene moxeparvovec-rokl) was granted....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
2/18/2025
/ Intellectual Property Protection ,
Inter Partes Review (IPR) Proceeding ,
Obviousness ,
Patent Infringement ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patent Validity ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Prior Art
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
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