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Cytek Biosciences, Inc. - PGR2025-00084

Explore the PTAB proceeding PGR2025-00084 filed by Cytek Biosciences, Inc. on Sep 15, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
PGR2025-00084
Filing Date
Sep 15, 2025
Petitioner
Cytek Biosciences, Inc.
Status
Petition filed
Respondent Application Number
17645727
Respondent Tech Center
2800
Respondent Patent Number
12174106

Proceeding Decision New

Decision pending - set alert to receive updates

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

U.S. Patent No. 12,174,106 B2 to Yong Qin Chen (“’106 patent”)

Sep 15, 2025EXHIBITPETITIONER

Prosecution History of U.S. Patent No. 12,174,106 B2

Sep 15, 2025EXHIBITPETITIONER

Carter and Ormerod, Ch. 1, Introduction to the Principles of flow cytometry

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 6,683,314 B2 to Clifford A. Oostman, Jr. et al. ("Oostman")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 5,317,162 to Bertram G. Pinsky et al. ("Pinsky")

Sep 15, 2025EXHIBITPETITIONER

Excerpts of Howard M. Shapiro, Practical Flow Cytometry ("Shapiro")

Sep 15, 2025EXHIBITPETITIONER

World Patent No. WO 2010/101623 A1 to Michael Thomas ("Thomas")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 8,284,402 B2 to Erich Frazier et al. ("Frazier")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 4,244,045 to Kiyoshi Nosu et al. ("Nosu")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 8,537,468 B1 to Xuan Wang et al. ("Wang")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 6,198,864 B1 to Brian E. Lemoff et al. ("Lemoff")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 7,212,343 B1 to Chun He et al. ("He")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 5,835,517 to Vijaysekhar Jayaraman et al. ("Jayaraman")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 6,201,908 B1 to Eric B. Grann ("Grann")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 6,542,306 B2 to Timothy D. Goodman ("Goodman")

Sep 15, 2025EXHIBITPETITIONER

Listing of Challenged Claims

Sep 15, 2025EXHIBITPETITIONER

Joint Claim Constr Chart filed in Beckman Coulter v. Cytek (incl. Ex. A)

Sep 15, 2025EXHIBITPETITIONER

Plntf’s Discl of Asserted Claims and Infringement Contentions [Red. Ver.]

Sep 15, 2025EXHIBITPETITIONER

Steve Wasserman, Geometrical optics and ray tracing, Course Wiki

Sep 15, 2025EXHIBITPETITIONER

Complaint filed in Beckman Coulter v. Cytek, C.A. No. 1:24-cv-00945

Sep 15, 2025EXHIBITPETITIONER

Summons in a Civil Action to Cytek, filed in Beckman Coulter v. Cytek

Sep 15, 2025EXHIBITPETITIONER

Stip and Order Amending Scheduling Order filed in Beckman Coulter v. Cytek

Sep 15, 2025EXHIBITPETITIONER

Diamond, Ch 8: Quality Control Guidelines for Research Flow Cytometry

Sep 15, 2025EXHIBITPETITIONER

Doornbos, WBC Differentiation Using a Solid State Flow Cytometer

Sep 15, 2025EXHIBITPETITIONER

SensL SPMMini High Gain APD

Sep 15, 2025EXHIBITPETITIONER

Menlo Systems APD210/310 High Sensitivity Detector Unit

Sep 15, 2025EXHIBITPETITIONER

Thorlabs.com – High-Sensitivity Avalanche Photodetectors website Overview

Sep 15, 2025EXHIBITPETITIONER

World Patent No. WO 94/29695 to Oddbjørn Gjelsnes ("Gjelsnes")

Sep 15, 2025EXHIBITPETITIONER

Stewart et al., Flow Cytometer in the Infrared: Inexpensive Modification...

Sep 15, 2025EXHIBITPETITIONER

Lawrence et al., A 16-channel avalanche photodiode detector array for...

Sep 15, 2025EXHIBITPETITIONER

Lawrence et al, A Comparison of Avalanche Photodiode and Photomultiplier...

Sep 15, 2025EXHIBITPETITIONER

Zhao et al, High gain avalanche photodiode (APD) arrays in flow cytometer..

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 8,188,438 B2 to Dongqing Li ("Li-438")

Sep 15, 2025EXHIBITPETITIONER

Canadian Patent No. 2 771 324 to Paul Patt ("Patt-324")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 7,580,120 B2 to Yuichi Hamada et al. ("Hamada")

Sep 15, 2025EXHIBITPETITIONER

World Patent No. 98/59233 to Van S. Chandler ("Chandler-233")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 7,523,637 B2 to Wayne D. Roth et al ("Roth-637")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 7,505,131 B2 to Wayne D. Roth ("Roth-131")

Sep 15, 2025EXHIBITPETITIONER

US Pat Appl Publ No 2008/0305481 A1 to Douglas F Whitman et al ("Whitman")

Sep 15, 2025EXHIBITPETITIONER

US Pat Appl Pub No 2007/0269345 A1, Adam R. Schilffarth ("Schilffarth-345")

Sep 15, 2025EXHIBITPETITIONER

US Pat Appl Pub No 2007/0207513 A1 to Keld Sorensen et al ("Sorensen")

Sep 15, 2025EXHIBITPETITIONER

US Pat Appl Pub No 2009/0071225 A1, Adam R. Schilffarth ("Schilffarth-225")

Sep 15, 2025EXHIBITPETITIONER

US Pat Appl Pub No 2009/0237658 A1 to Edward Calvin et al ("Calvin")

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 6,139,800 to Van S. Chandler ("Chandler")

Sep 15, 2025EXHIBITPETITIONER

Luminex 100™ IS User Manual Version 2.3

Sep 15, 2025EXHIBITPETITIONER

Luminex FlexMap 3D® User Manual

Sep 15, 2025EXHIBITPETITIONER

BD Biosciences Immunocytometry Systems Tech Specifications BD FACSArray

Sep 15, 2025EXHIBITPETITIONER

Hamamatsu Si APD S5343 to S5345, S9073 to S9075, Short wavelength type APD

Sep 15, 2025EXHIBITPETITIONER

Hamamatsu Si APD S8890 series, Long wavelength type APD

Sep 15, 2025EXHIBITPETITIONER

Hamamatsu Si APD S2381 to S2385, S5139, S8611, S3884, S4315 series, Low...

Sep 15, 2025EXHIBITPETITIONER

Joint Claim Construction Brief filed in Beckman Coulter v. Cytek

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 9,746,412 B2 to Yong Qin Chen ("'412")

Sep 15, 2025EXHIBITPETITIONER

Prosecution History of PCT/US2013/043453 (the “PCT App.”)

Sep 15, 2025EXHIBITPETITIONER

2.3: Spherical Mirrors, Bowdoin College, Phys1140: Intro Physics II: Part 2

Sep 15, 2025EXHIBITPETITIONER

Davidson, Molecular Expressions, Optical Microscopy Primer, Physics of...

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 11,703,443 B2 to Yong Qin Chen ("'443")

Sep 15, 2025EXHIBITPETITIONER

Prosecution history of EP24151670

Sep 15, 2025EXHIBITPETITIONER

Optics: Concave and Convex Mirrors and Lenses, ScienceReady

Sep 15, 2025EXHIBITPETITIONER

U.S. Patent No. 11,255,772 B2 to Yong Qin Chen ("'772")

Sep 15, 2025EXHIBITPETITIONER

Definition of quantitate from Concise Oxford English Dictionary

Sep 15, 2025EXHIBITPETITIONER

Salvato et al., Time response in carbon nanotube/Si based photodetectors

Sep 15, 2025EXHIBITPETITIONER

Decl of Dr. David Schaafsma, PhD ISO Beckman Coulter’s Opening CC Brief

Sep 15, 2025EXHIBITPETITIONER

Xia et al., Emerging optoelectronic architectures in carbon nanotube...

Sep 15, 2025EXHIBITPETITIONER

Cai et al, Recent progress of photodetector based on carbon nanotube...

Sep 15, 2025EXHIBITPETITIONER

Wang et al., Advancement in Carbon Nanotubes Optoelectronic Devices for...

Sep 15, 2025EXHIBITPETITIONER

Markman Hearing Transcript from Beckman Coulter v. Cytek

Sep 15, 2025EXHIBITPETITIONER

Notice: Power of Attorney

Sep 15, 2025PAPERPETITIONER

Declaration of Fedor A. Ilkov, Ph.D.

Sep 15, 2025EXHIBITPETITIONER

Petition: as filed

Sep 15, 2025PAPERPETITIONER