Guardant Health, Inc. vs. Cold Spring Harbor Laboratory

Explore the PTAB proceeding IPR2025-01355 filed by Guardant Health, Inc. on 2025-07-25. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01355

Filing Date

2025-07-25

Accorded Filing Date

2025-07-25

Institution Decision Date

2026-01-16

Last Modified Date

2026-02-18

Proceeding Type

IPR

Termination Date

2026-01-16

Trial Status

Institution Denied

Parties & Counsel

Petitioner

Guardant Health, Inc.

Represented By

Walter, Dereket al

Patent Owner / Respondent

Cold Spring Harbor Laboratory

Represented By

Gershik, Garyet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 1600 - Biotechnology & Organic Chemistry

Patent Information

1 Patent Involved

Respondent Application Number 15063278

Respondent Patent Number 10947589

External Links

Espacenet

Google Patents

Respondent Inventor James Hicks et al

Respondent Tech Center TC 1600 - Biotechnology & Organic Chemistry

Address and Attorney/Agent Information

6 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Gary J. Gershik; John P. White - AMSTER ROTHSTEIN & EBENSTEIN LLP

Customer Number 23432

Address 405 Lexington Avenue, 48th Floor, New York, NY, 10174, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
22031	Christopher Dunham	212-278-0400
28678	John White	212-336-8193
39992	Gary Gershik	212-336-8000
40837	Paul Teng	516-424-5401
80964	Darren Haber	212-336-8192
81535	Andrew Gorman	212-336-8186

Proceeding Documents

Institution Decision: Deny DECISION

2026-01-16 FILING PARTY: BOARD

Download

Director Discretionary Decision: Refer RESPONSE

2025-11-20 FILING PARTY: BOARD

Download

2025-11-03 Updated Exhibit List NOTICE

2025-11-03 FILING PARTY: PATENT OWNER

Download

2014

EX2014 - Chiu 2008 Supporting Information Exhibit

2025-11-03 FILING PARTY: PATENT OWNER

Download

Petitioner's Opposition to Discretionary Denial RESPONSE

2025-11-03 FILING PARTY: PETITIONER

Download

Guardant Health, Inc. vs. Cold Spring Harbor Laboratory

Proceeding Overview

Parties & Counsel

Petitioner

Guardant Health, Inc.

Represented By

Patent Owner / Respondent

Cold Spring Harbor Laboratory

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Institution Decision: Deny DECISION

Director Discretionary Decision: Refer RESPONSE

2025-11-03 Updated Exhibit List NOTICE

EX2014 - Chiu 2008 Supporting Information Exhibit

Petitioner's Opposition to Discretionary Denial RESPONSE

EX2013 - 2025-07-31 Memorandum Exhibit

Patent Owner's Preliminary Response POPR

EX2015 - Reinartz Exhibit

EX2010 - Guardant Opening Brief in Support of Partial Motion to Dismiss, CSHL v. Guardant Exhibit

PO Discretionary Denial Brief RESPONSE

EX2006 - Foundation v. Guardant Exhibit

EX2012 - 2016-11-10 IDS in Guardant USSN 14712754 Exhibit

EX2008 - First Amended Complaint, Guardant v. Tempus Exhibit

EX2007 - Petition for IPR2025-01353 Exhibit

EX2003 - 2025-03-26 Memo Exhibit

EX2002 - Prosecution File History of US 9404156 Exhibit

EX2009 - Third Amended Scheduling Order, CSHL v. Guardant Exhibit

EX2011 - Guardant Initial Invalidity Contentions, CSHL v. Guardant Exhibit

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

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

Chiang Exhibit

Quake Exhibit

Mefford Exhibit

U.S. Patent No. 8,741,606 Exhibit

IPR2023-00958 Final Written Decision Exhibit

Pltf's 1st Am Complaint Exhibit

Roche Technical Bulletin for Genome Sequencer FLX System Exhibit

IPR2023-00958 Petition Exhibit

Cooper Decl Exhibit

U.S. Patent No. 10,947,589 FH Exhibit

Schochetman Exhibit

Miner Exhibit

Porreca Exhibit

Itsara Exhibit

Wang Exhibit

Petition for Inter Partes Review of U.S. Patent No. 10,947,589 PETITION

IPR2023-00958 Cooper Decl ISO Petition Exhibit

Levy-Wigler Exhibit

McCloskey Exhibit

Porreca PCT Exhibit

National Human Genome Research Institute, Polymerase Chain Reaction Exhibit

DE 10 2008 025 656 B4 Translation Exhibit

DE 10 2008 025 656 B4 Exhibit

IPR2023-00958 Decision Granting Petitioner’s Request on Rehearing Exhibit

Notice: Power of Attorney NOTICE

Cooper CV Exhibit

DE 10 2008 025 656 B4 Translator Certification Exhibit

Linnarsson Exhibit

Yang Exhibit

National Human Genome Research Institute, Nucleotide Exhibit

Plaintiff’s Disclosure of Asserted Claims and Infringement Contentions Exhibit

Chiu Exhibit

Brenner Exhibit

Dohm Exhibit

McCloskey II Exhibit

Lo Exhibit

Mardis Exhibit

Chee PCT Exhibit

Degrelle Exhibit

Chee Exhibit

U.S. Patent No. 10,697,013 Exhibit

U.S. Patent No. 10,947,589 Exhibit