PTAB

PGR2025-00050

Merck Sharp & Dohme LLC v. Halozyme Inc

General
Filed
05/07/25
Institution11/19/25
FWD--
Close--
StatusTrial Instituted
OutcomeInstituted
USPTOPGR2025-00050
Administrative Patent Judges
Pending Judge Assignment
Petitioner
Party
Name
Ratings
Merck Sharp & Dohme LLC 
L4
A
No Parties
Attorney
Name
Ratings
Sidley Austin LLP
L5
A
Jeffrey Kushan
L5
E
Mark J. Stewart
L1
C
No Attorneys
Respondent
Party
Name
Ratings
Halozyme Inc 
L1
C
No Parties
Attorney
Name
Ratings
Sterne Kessler Goldstein & Fox
L5
A
Ralph W. Powers, III
L5
B
Eldora L. Ellison
L5
E
Jennifer Chagnon
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Tyler C. Liu
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Quinn Emanuel Urquhart & Sullivan LLP
L5
E
Lauren N. Martin
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No Attorneys