DCT

2:25-cv-08609

Ionis Pharma Inc v. Arrowhead Pharma Inc

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General
Filed
09/11/25
Cause of ActionPatent Infringement
SectorBiotech
StatusOpen
Patent Owner
Operating Company
PACER
2:25-cv-08609
Nature of Suit830 Patent
CourtC.D. California
Pending Judge Assignment
Plaintiff
Party
Name
Ratings
Ionis Pharmaceuticals Inc 
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No Parties
Attorney
Name
Ratings
Williams & Connolly LLP
L4
C
Thomas S. Fletcher
L4
B
Jessamyn S. Berniker
L3
E
Kathryn Kayali
L2
C
Michael Xun Liu
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Umhofer Mitchell & King LLPLocal
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Matthew D. Umhofer
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Margaret E. Dayton
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No Attorneys
Defendant
Party
Name
Ratings
Arrowhead Pharmaceuticals Inc 
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No Parties
Attorney
Name
Ratings
No Defendant Attorneys
No Attorneys