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Halozyme competitive analysis

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Explore Halozyme's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Nov 13, 2025
Patent NumberPublication DateTitleTotal Oppositions
Aug 4, 2021Large-Scale Production Of Soluble Hyaluronidase1
Apr 10, 2019Combination Therapy With A Hyaluronan-Degrading Enzyme And An Immune Checkpoint Inhibitor1

Latest PTAB cases involving Halozyme

Discover the latest PTAB cases involving Halozyme, highlighting their recent legal challenges and patent disputes.

Last updated on: Nov 16, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Halozyme

PGR2025-00052Jun 27, 2025MERCK SHARP & DOHMEHALOZYMETrial Instituted
PGR2025-00053Jun 6, 2025MERCK SHARP & DOHMEHALOZYMEPreliminary response waived
PGR2025-00050May 7, 2025MERCK SHARP & DOHMEHALOZYMEPreliminary response waived
PGR2025-00046Apr 29, 2025MERCK SHARP & DOHMEHALOZYMETrial Instituted
PGR2025-00042Apr 15, 2025MERCK SHARP & DOHMEHALOZYMETrial Instituted
PGR2025-00039Mar 28, 2025MERCK SHARP & DOHMEHALOZYMETrial Instituted
PGR2025-00033Mar 7, 2025MERCK SHARP & DOHMEHALOZYMETrial Instituted
PGR2025-00024Feb 21, 2025MERCK SHARP & DOHMEHALOZYMETrial Instituted
PGR2025-00030Feb 4, 2025MERCK SHARP & DOHMEHALOZYMETrial Instituted
PGR2025-00017Jan 17, 2025MERCK SHARP & DOHMEHALOZYMETrial Instituted

Peer Comparison New

IP litigation analysis comparing Halozyme with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Nov 13, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
HALOZYME - 2 - 14
J A KEMP40 - - -
MERCK SHARP & DOHME2042555