Cisco Systems, Inc. v. Vusura Technology LLC - IPR2026-00255

Explore the PTAB proceeding IPR2026-00255 filed by Cisco Systems, Inc. against Vusura Technology LLC on Feb 24, 2026. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number: IPR2026-00255
Filing Date: Feb 24, 2026
Petitioner: Cisco Systems, Inc.
Respondent: Vusura Technology LLC
Status: Pending
Respondent Application Number: 16597052
Respondent Tech Center: 2600
Respondent Patent Number: 11227303

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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
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Patent Owner's Discretionary Denial Request	May 5, 2026	PAPER	PATENT OWNER
Application Data Sheet for ’303 Patent Ancestor (filed Apr. 8, 2025)	May 5, 2026	EXHIBIT	PATENT OWNER
U.S. Patent No. 10,198,741 to Wendell D . Brown (filed Apr. 1, 2016) (issued Feb. 5, 2019) (“’741 Patent”)	May 5, 2026	EXHIBIT	PATENT OWNER
U.S. Patent No. 7,418,092 (filed Mar. 8, 2004) (issued Aug. 26, 2008) (“’092 Patent”)	May 5, 2026	EXHIBIT	PATENT OWNER
Complaint, Vusura Technology LLC v. Cisco Systems, Inc., Case No. 2:25-cv-00871 (E.D. Tex. filed Aug. 25, 2025) (Dkt. 1)	May 5, 2026	EXHIBIT	PATENT OWNER
Defendant Cisco Systems, Inc.’s Invalidity Contentions, Vusura Technology LLC v. Cisco Systems, Inc., Case No. 2:25-cv-00871 (E.D. Tex. served Jan. 9, 2026)	May 5, 2026	EXHIBIT	PATENT OWNER
Complaint, Alto Ventures, Inc. v. Convergys Corp., No. 2-11-cv-01056 (D.N.V. filed June 27, 2011) (Dkt. 1)	May 5, 2026	EXHIBIT	PATENT OWNER
First Amended Docket Control Order, Vusura Technology LLC v. Cisco Systems, Inc., Case No. 2:25-cv-00871 (E.D. Tex. entered Jan. 2, 2026) (Dkt. 31)	May 5, 2026	EXHIBIT	PATENT OWNER
’741 Patent File History	May 5, 2026	EXHIBIT	PATENT OWNER
Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE	Mar 5, 2026	PAPER	BOARD
Notice: Power of Attorney	Mar 2, 2026	PAPER	PATENT OWNER
Notice: Mandatory Notice	Mar 2, 2026	PAPER	PATENT OWNER
Notice: Power of Attorney	Feb 24, 2026	PAPER	PETITIONER
EX-1007 Excerpts of J. Thorner, "Intelligent Networks", Artech House, Inc.	Feb 24, 2026	EXHIBIT	PETITIONER
EX-1008 Excerpts of L. Goleniewski, "Telecommunications Essentials"	Feb 24, 2026	EXHIBIT	PETITIONER
EX-1001 U.S. Patent No. 11,227,303 ("the '303 Patent")	Feb 24, 2026	EXHIBIT	PETITIONER
EX-1002 Prosecution History of the '303 Patent ("File History")	Feb 24, 2026	EXHIBIT	PETITIONER
EX-1005 WIPO International Publication No. WO 2006/130783	Feb 24, 2026	EXHIBIT	PETITIONER
EX-1006 U.S. Pat. Publication No. 2007/0116227	Feb 24, 2026	EXHIBIT	PETITIONER
EX-1003 Declaration of Petitioner’s Expert Thomas F. La Porta, Ph.D.	Feb 24, 2026	EXHIBIT	PETITIONER
Petition: as filed	Feb 24, 2026	PAPER	PETITIONER
EX-1004 - US20070173237A1 (Roundtree)	Feb 24, 2026	EXHIBIT	PETITIONER