Bio-Rad Laboratories, Inc. vs. California Institute of Technology et al.

Explore the PTAB proceeding IPR2024-01451 filed by Bio-Rad Laboratories, Inc. on 2024-09-16. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2024-01451

Filing Date

2024-09-16

Accorded Filing Date

2024-09-16

Institution Decision Date

2025-03-27

Last Modified Date

2026-04-15

Proceeding Type

IPR

Termination Date

2026-03-23

Trial Status

Final Written Decision - Appealed

Parties & Counsel

Petitioner

Bio-Rad Laboratories, Inc.

Represented By

Walter, Dereket al

Patent Owner / Respondent

California Institute of Technology et al.

Represented By

Salen, Jesseet 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 16864744

Respondent Patent Number 11827921

External Links

Espacenet

Google Patents

Respondent Inventor Emil P. Kartalov et al

Respondent Tech Center TC 1600 - Biotechnology & Organic Chemistry

Address and Attorney/Agent Information

30 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Sheppard, Mullin, Richter & Hampton LLP

Customer Number 30764

Address 650 Town Center Drive, 10th Floor, Costa Mesa, CA, 92626, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
32694	James Gatto	202-747-1900
34853	Stephen Korniczky	858-720-7443
36727	Daniel Yannuzzi	858-720-8924
38768	Timothy Epp	714-513-5100
40823	Marc Sockol	650-815-2602
42651	David Heisey	858-720-8900
42723	John Keville	713-431-7113
50782	Lorna Tanner	650-815-2658
50861	Susan Hwang	213-620-1780
54736	Martin Bader	858-720-7446
55199	Huanyong Gao	213-620-1780
56160	Harper Batts	650-815-2673
59198	Jaime Choi	858-876-3545
60523	Alex Nie	650-815-2600
61878	Weiguo Chen	650-815-2692
69644	Jonathan Marina	626-203-8090
70746	Iiona Wheat	412-759-4361
70890	Xin Xie	703-597-4249
71561	Dominique Combs	858-720-8900
72209	Jesse Salen	858-720-8964
74113	Brian Restauro	202-747-1852
75019	Michael Hopkins	630-596-3680
75191	Jie Zheng	650-352-1962
78910	Theodore Mayer	973-626-1119
79121	James Hurt	858-720-8959
80050	Pengju Shang	650-815-2600
80496	Joshua Weisenfeld	507-995-2247
81142	Samantha Young	858-720-7459
82092	Samuel Smith	202-747-1896
82810	Fangzhou Qiu	650-815-2652

Proceeding Documents

120

Petitioner's Notice of Appeal NOTICE

2026-04-15 FILING PARTY: PETITIONER

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Final Written Decision: JUDGMENT Final Written Decision Determining No Challenged Claims Unpatentable 35 U.S.C. § 318(a) Denying Patent Owner’s Motion to Strike in Part and Dismissing it in Part as Moot 37 C.F.R. § 42.64 Dismissing Petitioner’s Objections to Demonstratives as Moot 37 C.F.R. §§ 42.64, 42.70 FINAL

2026-03-23 FILING PARTY: BOARD

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Other: Hearing transcript OTHER

2026-01-23 FILING PARTY: BOARD

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Petitioner's Objections to Demonstratives OTHER

2026-01-02 FILING PARTY: PETITIONER

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Petitioner's Demonstratives for 1-6-26 Hearing OTHER

2025-12-31 FILING PARTY: PETITIONER

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Bio-Rad Laboratories, Inc. vs. California Institute of Technology et al.

Proceeding Overview

Parties & Counsel

Petitioner

Bio-Rad Laboratories, Inc.

Represented By

Patent Owner / Respondent

California Institute of Technology et al.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Petitioner's Notice of Appeal NOTICE

Other: Hearing transcript OTHER

Petitioner's Objections to Demonstratives OTHER

Petitioner's Demonstratives for 1-6-26 Hearing OTHER

Patent Owner's Submission of Demonstrative Exhibits for Oral Argument OTHER

Ex. 3005 Exhibit

Order Setting Oral Argument ORDER

Ex. 3004 Exhibit

Patent Owner's Sur-Reply Claim Construction Brief OTHER

Petitioner's Supplemental Claim Construction Reply Brief OTHER

Patent Owner's Request for Oral Argument Pursuant to 37 C.F. R. sec. 42.70(a) OTHER

Petitioner's Request for Oral Argument Pursuant to 37 C.F.R. Section 42.70(a) OTHER

Petitioner's Opposition to Patent Owner's Motion to Strike Portions of Petitioner's Reply Pursuant to 37 C.F.R. Section 42.23(b) OTHER

Patent Owner's Responsive Claim Construction Brief OTHER

Patent Owner's Motion to Strike Portions of Petitioner's Reply Pursuant to 37 C.F.R. 42.23(b) MOTION

Patent Owner's Sur-Reply OTHER

10-9-2025 Deposition of Carl A. Batt, Ph.D. Exhibit

Petitioner's Opening Supplemental Claim Construction Brief OTHER

EX1046 - Order Granting in Part and Denying in Part Chromacode’s Mtn for Leave to Amend Infringement Conts Exhibit

EX1045 - Transcript of Proceedings held on 9-16-25 Exhibit

Petitioner Bio-Rad Laboratories, Inc.'s Updated Exhibit List NOTICE

Ex 3003 Exhibit

Related Matters Update Exhibit

Claim Construction Order, Dkt. 125, Chromacode Litig., Case No. 5:23-cv-04823, N.D. Cal. Exhibit

General Order: Related Matters Updates ORDER

Patent Owner's Objections to Petitioner's Evidence and Arguments Submitted With its Reply OTHER

Patent Owner's Notice of Deposition of Dr. Carl A. Batt NOTICE

EX 1043 Declaration of Dr. Batt Exhibit

EX 1044 Deposition of K. Struhl Exhibit

Petitioner's Reply to Patent Owner's Response REPLYTOOPP

Panel Change Order ORDER

Petitioner's Notice of Deposition of Kevin Struhl, Ph.D. NOTICE

Bio-Rad SEC filing, available at https://www.sec.gov/Archives/edgar/data/12208/000119312520315015/d28972dex991.htm (accessed June 19, 2025). Exhibit

QX ONE Droplet Digital PCR (ddPCR) System, available at https://www.bio-rad.com/en-us/life-science/digital-pcr/qx-one-droplet-digital-pcrddpcr-system (accessed June 19, 2025). Exhibit

Declaration of Carl Batt, Ph.D. in Support of Patent Owner's Response to Petition for Inter Partes Review, Dropworks, Inc. v. Lawrence Livermore National Security, LLC, IPR2021-00302. Exhibit

Patent Owner's Response RESPONSE

Plaintiffs ChromaCode, Inc. and California Institute of Technology’s Opposition to Defendant’s Motion to Transfer, Dkt. 29, ChromaCode, Inc. et al. v. Bio-Rad Labs., Inc., No. 4:23-cv-06360-EKL (N.D. Cal. Nov. 20, 2023). Exhibit

Bio-Rad SEC filing, available at https://www.sec.gov/Archives/edgar/data/12208/000119312522053527/d901425dex991.htm (accessed June 19, 2025). Exhibit

Supplemental Declaration of Kevin Struhl, Ph.D. in Support of the Patent Owner Response. Exhibit

QX600 Droplet Digital PCR System, available at https://www.bio-rad.com/en-us/product/qx600-droplet-digital-pcr-system?ID=b07d12ac-0585-fc4c-a586-3ddf20d5c4a0 (accessed June 19, 2025). Exhibit

June 4, 2025, Deposition Transcript of Dr. Carl Batt, Bio-Rad Laboratories, Inc. v. California Institute of Technology, IPR2024-01451. Exhibit

Ex. 3100 Email to Counsel from Board Exhibit

Patent Owner's Notice of Deposition of Dr. Carl A. Batt NOTICE

Patent Owner's Updated Mandatory Notices NOTICE

Petitioner's Updated Mandatory Notices NOTICE

Patent Owner's Objections to Petitioner's Evidence OTHER

SCHEDULING ORDER ORDER

DECISION Granting Institution of Inter Partes Review 35 U.S.C. § 314 DECISION

Patent Owner's Pre-Institution Sur-Reply Authorized Pursuant to January 16, 2025 Email OTHER

Petitioner's Pre-Institution Reply Authorized Pursuant to January 16, 2025 Email OTHER

Exhibit 3001 Exhibit

921 Patent FH Part 10 Exhibit

U.S. Provisional Application No. 61507082 Exhibit

921 Patent FH Part 11 Exhibit

921 Patent FH Part 13 Exhibit

921 Patent FH Part 01 Exhibit

Dkt. 88 Minute Entry for Case Management Conference held Nov. 6, 2024 (5.23-cv-04823) Exhibit

Patent Owner's Updated Mandatory Notices NOTICE

921 Patent FH Part 05 Exhibit

Docket 23-cv-06360 Exhibit

921 Patent FH Part 08 Exhibit

921 Patent FH Part 02 Exhibit

921 Patent FH Part 15 Exhibit

921 Patent FH Part 14 Exhibit

921 Patent FH Part 06 Exhibit