IP Verse

Cytek Biosciences, Inc. vs Beckman Coulter, Inc. et al.

Explore the PTAB proceeding IPR2025-01319 filed by Cytek Biosciences, Inc. against Beckman Coulter, Inc. et al. on Jul 17, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number: IPR2025-01319
Filing Date: Jul 17, 2025
Petitioner: Cytek Biosciences, Inc.
Respondent: Beckman Coulter, Inc. et al.
Status: Pending
Respondent Application Number: 17980669
Respondent Tech Center: 2800
Respondent Patent Number: 11703443

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.

Show Exhibit Documents

Document Name	Filing Date	Category	Filing Party
Alert me when new update on this case
Patent Owner's Mandatory Notices	Aug 7, 2025	PAPER	PATENT OWNER
Patent Owner's Power of Attorney	Aug 7, 2025	PAPER	PATENT OWNER
Notice: Notice filing date accorded	Jul 31, 2025	PAPER	BOARD
US11,703,443 to Yong Qin Chen (filed Nov 4, 2022, issued July 18, 2023)	Jul 17, 2025	EXHIBIT	PETITIONER
Prosecution History of U.S. Patent No. 11,703,443 B2	Jul 17, 2025	EXHIBIT	PETITIONER
Carter and Ormerod, Ch. 1, Introduction to the Principles of Flow Cytometry	Jul 17, 2025	EXHIBIT	PETITIONER
US6,683,314 to Clifford Oostman (filed Aug 28, 2001; published Jan 27 2004)	Jul 17, 2025	EXHIBIT	PETITIONER
US5,317,162 to Bertram Pinsky (filed Sept 9, 1992; published May 31, 1994)	Jul 17, 2025	EXHIBIT	PETITIONER
Excerpts of Howard M. Shapiro, Practical Flow Cytometry	Jul 17, 2025	EXHIBIT	PETITIONER
WO2010/101623 to Michael Thomas (filed Mar 2, 2010; publ Sept 10, 2010)	Jul 17, 2025	EXHIBIT	PETITIONER
US8,284,402 to Erich Frazier (filed Feb 26, 2010; publ Oct 9, 2012)	Jul 17, 2025	EXHIBIT	PETITIONER
US4,244,045 to Kiyoshi Nosu (filed Jan 31, 1979; publ Jan 6, 1981)	Jul 17, 2025	EXHIBIT	PETITIONER
US8,537,468 to Xuan Wang (filed Jun 10, 2011; publ Sept 17, 2013)	Jul 17, 2025	EXHIBIT	PETITIONER
US6,198,864 to Brian Lemoff (filed Nov 24, 1998; publ Mar 6, 2001)	Jul 17, 2025	EXHIBIT	PETITIONER
US7,212,343 to Chun He (filed Jul 11, 2003; publ May 1, 2007)	Jul 17, 2025	EXHIBIT	PETITIONER
US5,835,517 to Vijaysekhar Jayaraman (filed Oct 4, 1996; publ Nov 10, 1998)	Jul 17, 2025	EXHIBIT	PETITIONER
US6,201,908 to Eric Grann (filed July 2, 1999; publ Mar 13, 2001)	Jul 17, 2025	EXHIBIT	PETITIONER
US6,542,306 to Timothy Goodman (filed Mar 16, 2001; publ Apr 1, 2003)	Jul 17, 2025	EXHIBIT	PETITIONER
Listing of Challenged Claims	Jul 17, 2025	EXHIBIT	PETITIONER
Joint Claim Constr Chart inc Exh A in Beckman Coulter v. Cytek Biosciences	Jul 17, 2025	EXHIBIT	PETITIONER
Plaintiff's Discl of Asserted Claims & Infr Contentions in Beckman v. Cytek	Jul 17, 2025	EXHIBIT	PETITIONER
Definition of Mirror from Concise Oxford English Dictionary	Jul 17, 2025	EXHIBIT	PETITIONER
Excerpts of Course 1 Fundamentals of Light & Lasers, Optics & Photonics Ser	Jul 17, 2025	EXHIBIT	PETITIONER
Semat and Katz, Chapter 38: Mirrors and Lenses, Physics	Jul 17, 2025	EXHIBIT	PETITIONER
Wasserman, Geometrical optics and ray tracing	Jul 17, 2025	EXHIBIT	PETITIONER
Complaint filed in Beckman Coulter, Inc. v. Cytek Biosciences, Inc.	Jul 17, 2025	EXHIBIT	PETITIONER
Summons in a Civil Action to Cytek, served in Beckman v. Cytek	Jul 17, 2025	EXHIBIT	PETITIONER
Stipulation and Order Amending Scheduling Order, filed in Beckman v. Cytek	Jul 17, 2025	EXHIBIT	PETITIONER
Prosecution history of EP24151670	Jul 17, 2025	EXHIBIT	PETITIONER
Excerpts of the Prosecution history of U.S. Patent No. 9,746,412	Jul 17, 2025	EXHIBIT	PETITIONER
Diamond, Ch 8, Quality Control Guidelines for Research Flow Cytometry	Jul 17, 2025	EXHIBIT	PETITIONER
Notice: Power of Attorney	Jul 17, 2025	PAPER	PETITIONER
Plaintiff's Opening Claim Constr Brief, served in Beckman v. Cytek	Jul 17, 2025	EXHIBIT	PETITIONER
Declaration of Fedor A. Ilkov, Ph.D.	Jul 17, 2025	EXHIBIT	PETITIONER
Petition: as filed	Jul 17, 2025	PAPER	PETITIONER