The detailed information for PTAB case with proceeding number PGR2025-00009 filed by Merck Sharp & Dohme LLC against Halozyme, Inc. et al. on Dec 27, 2024. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
PGR2025-00009
Filing Date
Dec 27, 2024
Petitioner
Merck Sharp & Dohme LLC
Respondent
Halozyme, Inc. et al.
Status
Trial Instituted
Respondent Application Number
18068327
Respondent Tech Center
1600
Respondent Patent Number
12123035
Institution Decision Date
Jul 11, 2025

Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.


Document NameFiling DateCategoryFiling Party

Alert me when new update on this case

Authorized Response to Director Review Request

Aug 1, 2025PAPERPETITIONER

Patent Owner's Notice of Park Deposition

Jul 28, 2025PAPERPATENT OWNER

Patent Owner's Request for Director Review

Jul 25, 2025PAPERPATENT OWNER

Patent Owner's Objections to Evidence

Jul 25, 2025PAPERPATENT OWNER

Email, Subject_PGR2025-00009 Director Review Request

Jul 25, 2025EXHIBITBOARD

Petitioner's Objections to Evidence

Jul 25, 2025PAPERPETITIONER

Notice of Joint Stipulation to Modify Due Dates

Jul 24, 2025PAPERPATENT OWNER

Patent Owner's Updated Mandatory Notices

Jul 17, 2025PAPERPATENT OWNER

DECISION Granting Institution of Post-Grant Review 35 U.S.C. § 324

Jul 11, 2025PAPERBOARD

SCHEDULING ORDER

Jul 11, 2025PAPERBOARD

Petitioner's Updated Mandatory Notices

Jun 30, 2025PAPERPETITIONER

Patent Owner's Updated Power of Attorney

Jun 20, 2025PAPERPATENT OWNER

Patent Owner's Updated Mandatory Notices

Jun 20, 2025PAPERPATENT OWNER

Director Discretionary Decision: Refer

Jun 12, 2025PAPERBOARD

Petitioner's Reply to Patent Owner's Discretionary Denial Brief

May 23, 2025PAPERPETITIONER

News Release, "Halozyme Raises 2025 Financial Guidance Ranges and Reports Strong First Quarter 2025 Results."

May 23, 2025EXHIBITPETITIONER

News Release, "Merck Breaks Ground on New $1 Billion Biologics Center of Excellence in Wilmington, Delaware."

May 23, 2025EXHIBITPETITIONER

Halozyme Therapeutics, Inc. Q1 2025 Earnings Call Transcript (May 6, 2025)

May 23, 2025EXHIBITPETITIONER

Patent Owner's Sur-Reply to Petitioner's Reply to Patent Owner's Preliminary Response

May 22, 2025PAPERPATENT OWNER

Patent Owner's Updated Power of Attorney

May 21, 2025PAPERPATENT OWNER

Patent Owner's Updated Mandatory Notices

May 21, 2025PAPERPATENT OWNER

Reply in Support of Petition for Post Grant Review

May 8, 2025PAPERPETITIONER

Patent Owner's Updated Mandatory Notices

May 5, 2025PAPERPATENT OWNER

Petitioner's Updates to Mandatory Notices

Apr 30, 2025PAPERPETITIONER

EX2046 - 2023 Pharma 50

Apr 28, 2025EXHIBITPATENT OWNER

EX2047 - Merck Financial Results

Apr 28, 2025EXHIBITPATENT OWNER

EX2048 - Products List - Merck.com

Apr 28, 2025EXHIBITPATENT OWNER

EX2050 - Merck Market Cap Nasdaq

Apr 28, 2025EXHIBITPATENT OWNER

EX2051 - Halozyme Market Cap Nasdaq

Apr 28, 2025EXHIBITPATENT OWNER

EX2052 - Halozyme News Revenue

Apr 28, 2025EXHIBITPATENT OWNER

EX2053 - Halozyme - Commercial Products

Apr 28, 2025EXHIBITPATENT OWNER

EX2054 - Halozyme - About Us

Apr 28, 2025EXHIBITPATENT OWNER

EX2055 - Triggs-Raine Declaration ISO Patent Owner Discretionary Denial Brief

Apr 28, 2025EXHIBITPATENT OWNER

EX2056 - PGR2025-00042 Petition

Apr 28, 2025EXHIBITPATENT OWNER

EX2057 - PGR2025-00042 EX1003 - Hecht Declaration

Apr 28, 2025EXHIBITPATENT OWNER

EX2058 - District Court Complaint

Apr 28, 2025EXHIBITPATENT OWNER

EX2059 - Alteogen announces amendment to license agreement with MSD

Apr 28, 2025EXHIBITPATENT OWNER

Patent Owner Discretionary Denial Brief

Apr 28, 2025PAPERPATENT OWNER

Patent Owner's Updated Mandatory Notices

Apr 18, 2025PAPERPATENT OWNER

Petitioner's Updates to Mandatory Notices

Apr 16, 2025PAPERPETITIONER

Patent Owner's Preliminary Response

Apr 14, 2025PAPERPATENT OWNER

EX2002 - Triggs-Raine CV

Apr 14, 2025EXHIBITPATENT OWNER

EX2003 - Disclaimer

Apr 14, 2025EXHIBITPATENT OWNER

EX2004 - Fierce Pharma

Apr 14, 2025EXHIBITPATENT OWNER

EX2005 - LinkedIn Profiles

Apr 14, 2025EXHIBITPATENT OWNER

EX2006 - Sequence Listing

Apr 14, 2025EXHIBITPATENT OWNER

EX2007 - Gifre 2017

Apr 14, 2025EXHIBITPATENT OWNER

EX2008 - Recombinant Drugs - Smithsonian Institution

Apr 14, 2025EXHIBITPATENT OWNER

EX2009 - Naz 2011

Apr 14, 2025EXHIBITPATENT OWNER

EX2010 - Primakoff 1988

Apr 14, 2025EXHIBITPATENT OWNER

EX2011 - Guinea Pig - Merriam-Webster 2010

Apr 14, 2025EXHIBITPATENT OWNER

EX2012 - Nature 2012

Apr 14, 2025EXHIBITPATENT OWNER

EX2013 - Lin 1993

Apr 14, 2025EXHIBITPATENT OWNER

EX2015 - USP7872107 File History (Part 1 of 3)

Apr 14, 2025EXHIBITPATENT OWNER

EX2015 - USP7872107 File History (Part 2 of 3)

Apr 14, 2025EXHIBITPATENT OWNER

EX2015 - USP7872107 File History (Part 3 of 3)

Apr 14, 2025EXHIBITPATENT OWNER

EX2016 - Pils 2005

Apr 14, 2025EXHIBITPATENT OWNER

EX2018 - Duterme 2009

Apr 14, 2025EXHIBITPATENT OWNER

EX2019 - Atmuri 2008

Apr 14, 2025EXHIBITPATENT OWNER

EX2020 - Hemming 2008

Apr 14, 2025EXHIBITPATENT OWNER

EX2021 - Miller 2008

Apr 14, 2025EXHIBITPATENT OWNER

EX2022 - Kaneiwa 2010

Apr 14, 2025EXHIBITPATENT OWNER

EX2023 - PGR2025-00004 Petition

Apr 14, 2025EXHIBITPATENT OWNER

EX2024 - PGR2025-00006 Petition

Apr 14, 2025EXHIBITPATENT OWNER

EX2025 - PGR2025-00003 Petition

Apr 14, 2025EXHIBITPATENT OWNER

EX2026 - PGR2025-00017 Petition

Apr 14, 2025EXHIBITPATENT OWNER

EX2027 - PGR2025-00030 Petition

Apr 14, 2025EXHIBITPATENT OWNER

EX2028 - PGR2025-00024 Petition

Apr 14, 2025EXHIBITPATENT OWNER

EX2029 - PGR2025-00004 EX1003 - Hecht Declaration

Apr 14, 2025EXHIBITPATENT OWNER

EX2030 - PGR2025-00006 EX1003 - Hecht Declaration

Apr 14, 2025EXHIBITPATENT OWNER

EX2031 - PGR2025-00003 EX1003 - Hecht Declaration

Apr 14, 2025EXHIBITPATENT OWNER

EX2032 - PGR2025-00017 EX1003 - Hecht Declaration

Apr 14, 2025EXHIBITPATENT OWNER

EX2033 - PGR2025-00030 EX1003 - Hecht Declaration

Apr 14, 2025EXHIBITPATENT OWNER

EX2034 - PGR2025-00024 EX1003 - Hecht Declaration

Apr 14, 2025EXHIBITPATENT OWNER

EX2035 - Lokeshwar 2002

Apr 14, 2025EXHIBITPATENT OWNER

EX2036 - PGR2025-00033 EX1003 - Hecht Declaration

Apr 14, 2025EXHIBITPATENT OWNER

EX2037 - PGR2025-00033 Petition

Apr 14, 2025EXHIBITPATENT OWNER

EX2038 - PGR2025-00039 EX1003 - Hecht Declaration

Apr 14, 2025EXHIBITPATENT OWNER

EX2039 - PGR2025-00039 Petition

Apr 14, 2025EXHIBITPATENT OWNER

EX2040 - Wilson 2002

Apr 14, 2025EXHIBITPATENT OWNER

EX2041 - Doig 2008

Apr 14, 2025EXHIBITPATENT OWNER

EX2042 - Cochran 2001

Apr 14, 2025EXHIBITPATENT OWNER

EX2043 - elMasry 1994

Apr 14, 2025EXHIBITPATENT OWNER

EX2001 - Triggs-Raine Declaration

Apr 14, 2025EXHIBITPATENT OWNER

Patent Owner's Updated Mandatory Notices

Apr 10, 2025PAPERPATENT OWNER

Order: Granting Petitioner's Motions for Pro Hac Vice Admission of Leif E. Peterson, II - 37 CFR 42.10

Apr 2, 2025PAPERBOARD

Petitioner's Motion for Pro Hac Vice Admission of Leif E. Peterson, II

Mar 24, 2025PAPERPETITIONER

Declaration of Leif E. Peterson

Mar 24, 2025EXHIBITPETITIONER

Patent Owner's Updated Mandatory Notices

Mar 18, 2025PAPERPATENT OWNER

Patent Owner's Updated Mandatory Notices

Mar 4, 2025PAPERPATENT OWNER

Patent Owner's Updated Mandatory Notices

Feb 18, 2025PAPERPATENT OWNER

Petitioner's Updates to Mandatory Notices

Feb 6, 2025PAPERPETITIONER

Patent Owner's Updated Mandatory Notices

Jan 29, 2025PAPERPATENT OWNER

Patent Owner's Power of Attorney

Jan 15, 2025PAPERPATENT OWNER

Patent Owner's Mandatory Notices

Jan 15, 2025PAPERPATENT OWNER

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE

Jan 13, 2025PAPERBOARD

U.S. Patent No. 12,123,035

Dec 27, 2024EXHIBITPETITIONER

File History of U.S. Patent No. 12,123,035 Part 1

Dec 27, 2024EXHIBITPETITIONER

File History of U.S. Patent No. 12,123,035 Part 2

Dec 27, 2024EXHIBITPETITIONER

U.S. Patent No. 7,767,429

Dec 27, 2024EXHIBITPETITIONER

Chao, Structure of Human Hyaluronidase-1 (2007)

Dec 27, 2024EXHIBITPETITIONER

WO/2010/077297, published July 8, 2010

Dec 27, 2024EXHIBITPETITIONER

Stern, The Hyaluronidases: Their Genomics, Structures, & Mechanisms (2006)

Dec 27, 2024EXHIBITPETITIONER

Jedzrejas, Structures of Vertebrate Hyaluronidases (2005)

Dec 27, 2024EXHIBITPETITIONER

Zhang, Hyaluronidase Activity of Human Hyal1 (2009)

Dec 27, 2024EXHIBITPETITIONER

Arming, In vitro Mutagenesis of PH-20 Hyaluronidase from Human Sperm (1997)

Dec 27, 2024EXHIBITPETITIONER

Bordoli, Protein Structure Homology Modeling Using SWISSMODEL (2008)

Dec 27, 2024EXHIBITPETITIONER

Frost, Recombinant Human Hyaluronidase (rHuPH20) (2007)

Dec 27, 2024EXHIBITPETITIONER

Brandon & Tooze, Introduction to Protein Structure (1999) Part 1

Dec 27, 2024EXHIBITPETITIONER

Brandon & Tooze, Introduction to Protein Structure (1999) Part 2

Dec 27, 2024EXHIBITPETITIONER

Table Associating ’035 Patent to Corresponding ’731 Application

Dec 27, 2024EXHIBITPETITIONER

Steipe, Consensus-Based Engineering of Protein Stability (2004)

Dec 27, 2024EXHIBITPETITIONER

Green, Computer Graphics, Homology Modeling, and Bioinformatics (2010)

Dec 27, 2024EXHIBITPETITIONER

Chica, Semi-rational Approaches to Engineering Enzyme Activity (2005)

Dec 27, 2024EXHIBITPETITIONER

Hardy, Assessment of Contraceptive Vaccines Based on Recombinant Mouse Sper

Dec 27, 2024EXHIBITPETITIONER

Pomering, Restricted Entry of IgG (2002)

Dec 27, 2024EXHIBITPETITIONER

Baba, Mouse Sperm Lacking Cell Surface Hyaluronidase PH-20 (2002)

Dec 27, 2024EXHIBITPETITIONER

Primakoff, Reversible Contraceptive Effect of PH-20 Immunization (1997)

Dec 27, 2024EXHIBITPETITIONER

Tung, Mechanism of Infertility in Male Guinea Pigs Immunized with Sperm

Dec 27, 2024EXHIBITPETITIONER

Rosengren, Recombinant Human PH20 (2018)

Dec 27, 2024EXHIBITPETITIONER

U.S. Patent No. 9,447,401

Dec 27, 2024EXHIBITPETITIONER

U.S. Patent Application No. 13/694,731

Dec 27, 2024EXHIBITPETITIONER

Gmachl, The Human Sperm Protein PH-20 Has Hyaluronidase Activity (1993)

Dec 27, 2024EXHIBITPETITIONER

Sills, "Retraction," Science, 319:569 (2008)

Dec 27, 2024EXHIBITPETITIONER

Yue, Loss of Protein Structure Stability as a Major Causative Factor (2005)

Dec 27, 2024EXHIBITPETITIONER

Wang & Moult, SNPs, Protein Structure, and Disease (2001)

Dec 27, 2024EXHIBITPETITIONER

Marković-Housley, Crystal Structure of Hyaluronidase (2000)

Dec 27, 2024EXHIBITPETITIONER

"Negative Results," Nature: Editorials, 453:258 (2008)

Dec 27, 2024EXHIBITPETITIONER

Lins, Analysis of Accessible Surface of Residues in Proteins (2003)

Dec 27, 2024EXHIBITPETITIONER

Hayden, Chemistry: Designer Debacle (2008)

Dec 27, 2024EXHIBITPETITIONER

Benkert, Toward the Estimation of the Absolute Quality (2010)

Dec 27, 2024EXHIBITPETITIONER

Schwede, SWISS-MODEL: An Automated Protein Homology-Modeling Server (2003)

Dec 27, 2024EXHIBITPETITIONER

Alberts, Molecular Biology of the Cell, Chapter 3 (2007)

Dec 27, 2024EXHIBITPETITIONER

He, NMR Structures of Two Designed Proteins with High Sequence Identity

Dec 27, 2024EXHIBITPETITIONER

Alexander, A Minimal Sequence Code for Switching Protein Structure (2009)

Dec 27, 2024EXHIBITPETITIONER

Ruan, Design & Characterization of a Protein Fold Switching Network (2023)

Dec 27, 2024EXHIBITPETITIONER

Sievers, Fast, Scalable Generation of High-Quality Protein (2011)

Dec 27, 2024EXHIBITPETITIONER

Mihel, PSAIA – Protein Structure and Interaction Analyzer (2008)

Dec 27, 2024EXHIBITPETITIONER

Redline Comparison of the ’731 and ’035 Specifications

Dec 27, 2024EXHIBITPETITIONER

Beasley & Hecht, Protein Design: The Choice of de Novo Sequences (1997)

Dec 27, 2024EXHIBITPETITIONER

Xiong, Periodicity of Polar and Nonpolar Amino Acids (1995)

Dec 27, 2024EXHIBITPETITIONER

Hayden, Key Protein-Design Papers Challenged (2009)

Dec 27, 2024EXHIBITPETITIONER

KEGG, DRUG: Hyaluronidase (human recombinant)

Dec 27, 2024EXHIBITPETITIONER

Pace & Scholtz, A Helix Propensity Scale (1998)

Dec 27, 2024EXHIBITPETITIONER

U.S. Patent Application No. 61/631,313

Dec 27, 2024EXHIBITPETITIONER

U.S. Patent Application No. 61/796,208

Dec 27, 2024EXHIBITPETITIONER

Hom_pre2011

Dec 27, 2024EXHIBITPETITIONER

Hom_pre2011_header

Dec 27, 2024EXHIBITPETITIONER

Hom_pre2011_header_clean

Dec 27, 2024EXHIBITPETITIONER

Hom_pre2011.fasta

Dec 27, 2024EXHIBITPETITIONER

Ph20_pre2011.aln-clustal_num

Dec 27, 2024EXHIBITPETITIONER

Ph20_pre2011 Alignment html

Dec 27, 2024EXHIBITPETITIONER

Leisola & Turunen, Protein Engineering: Opportunities and Challenges (2007)

Dec 27, 2024EXHIBITPETITIONER

Hecht, De Novo Proteins from Designed Combinatorial Libraries (2004)

Dec 27, 2024EXHIBITPETITIONER

Rosengren, Clinical Immunogenicity of rHuPH20 (2015)

Dec 27, 2024EXHIBITPETITIONER

Collection of BLAST Webpages from the Internet Archive

Dec 27, 2024EXHIBITPETITIONER

Collection of Clustal Omega Webpages from the Internet Archive

Dec 27, 2024EXHIBITPETITIONER

Collection of SWISS-MODEL Webpages from the Internet Archive

Dec 27, 2024EXHIBITPETITIONER

Collection of PyMol Webpages from the Internet Archive

Dec 27, 2024EXHIBITPETITIONER

Declaration of Jeffrey P. Kushan

Dec 27, 2024EXHIBITPETITIONER

Swiss Model Printout of PH20 Model

Dec 27, 2024EXHIBITPETITIONER

Swiss Model Printout of PH20 Model with S312T Mutation

Dec 27, 2024EXHIBITPETITIONER

Swiss Model Printout of PH20 Model with S312N Mutation

Dec 27, 2024EXHIBITPETITIONER

Richardson, Science, 240, 1648-1652 (1988)

Dec 27, 2024EXHIBITPETITIONER

Doig et al., Protein Science, 4:1325-1336 (1995)

Dec 27, 2024EXHIBITPETITIONER

Keedy, PLoS Computational Biology, 8(8):1-10 (August 2012)

Dec 27, 2024EXHIBITPETITIONER

Declaration of Dr. Michael Hecht

Dec 27, 2024EXHIBITPETITIONER

Declaration of Dr. Sheldon Park

Dec 27, 2024EXHIBITPETITIONER

Petition for Post Grant Review

Dec 27, 2024PAPERPETITIONER

Petitioner's Power of Attorney

Dec 27, 2024PAPERPETITIONER