Keysight Technologies, Inc. vs. Centripetal Networks, Inc.

Explore the PTAB proceeding IPR2022-01199 filed by Keysight Technologies, Inc. on 2022-06-24. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2022-01199

Filing Date

2022-06-24

Accorded Filing Date

2022-06-24

Institution Decision Date

2023-01-04

Last Modified Date

2026-06-11

Proceeding Type

IPR

Termination Date

2026-06-11

Trial Status

Pending Director Review

Parties & Counsel

Petitioner

Keysight Technologies, Inc.

Represented By

Donovan, Gerardet al

Patent Owner / Respondent

Centripetal Networks, Inc.

Represented By

Hannah, Jameset al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2400 - Computer Networks, Multiplex & Cybersecurity

Patent Information

1 Patent Involved

Respondent Application Number 14757638

Respondent Patent Number 9917856

External Links

Espacenet

Google Patents

Respondent Inventor David K. Ahn et al

Respondent Tech Center TC 2400 - Computer Networks, Multiplex & Cybersecurity

Address and Attorney/Agent Information

108 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name BANNER & WITCOFF, LTD.

Customer Number 22907

Address 1100 13th STREET, N.W., SUITE 1200, WASHINGTON, DC, 20005-4051, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
17399	Sheldon Witcoff	312-715-1000
28042	Charles Shifley	312-463-5000
28175	Joseph Potenza	202-824-3000
29822	Ernest Linek	617-720-9600
29864	Joseph Skerpon	202-824-3000
31810	Robert Altherr Jr	202-824-3000
32141	Sarah Kagan	202-824-3151
32168	Robert Resis	312-463-5000
32384	Christopher Mckee	202-824-3000
33568	Susan Wolffe	202-824-3000
34143	Marc Cooperman	312-463-5000
34628	John Iwanicki	617-720-9400
34687	Shawn O'Dowd	202-220-4200 EXT. 42
34701	William Rauchholz	503-471-1307
35282	Frederic Meeker	202-824-3116
35509	Gary Fedorochko	202-824-3000
36402	Robert Katz	202-824-3000
37210	Thomas Pratt	312-463-5436
37746	Jonathan Van Es	312-463-5000
38061	Bradley Wright	202-824-3160
38395	Laura Brutman	202-824-3313
38553	Timothy Meece	312-463-5000
38800	Christopher Glembocki	202-824-300
40959	Gregory Cohan	617-720-9600
42065	Binal Patel	312-465-5000
42084	Harry Porter	202-824-3000
42338	Jordan Bodner	202-824-3000
42373	Scott Burow	312-463-5000
42402	Steve Chang	202-824-3000
42653	Lisa Hemmendinger	202-824-3000
42912	Darrell Mottley	202-824-3000
43446	Paul Rivard	202-824-3000
43516	Bronwen Loeb	202-824-3328
43686	John Hutchins	202-824-3147
43805	Charles Miller	312-715-1000
43808	Janice Mitrius	312-463-5481
44939	Mercedes Meyer	202-824-3250
45027	Paul Qualey	202-824-3000
45649	Benjamin Spehlmann	202-824-3000
45824	Matthew Becker	312-463-5000
46057	Joseph Berghammer	312-463-5000
47085	Jason Shull	312-463-5423
47437	Aimee Kolz	312-463-5000
48648	Erik Maurer	312-463-5000
49007	Christopher Roth	202-824-3000
49024	Ross Dannenberg	202-824-3000
50330	Richard Stockton	312-463-5000
51331	Louis Disanto	312-463-5000
51393	William Allen	312-715-3489
55597	Gregory Schlenz	312-463-5000
56536	John Fleming	202-824-3000
56552	Wesley Jones	1-415-673-6330
57019	Elizabeth Almeter	202-824-3174
58216	Chunhsi Mu	202-824-3000
58541	Craig Kronenthal	732-513-7522
59255	Michael Cuviello	202-824-3307
59773	Bradley Van Pelt	312-463-5000
59945	Justin Philpott	312-463-5000
60023	Pei Wu	617-720-9655
61050	Andy Kim	202-824-3000
61267	Audra Eidem Heinze	312-463-5000
62072	Michael Krashin	312-463-5000
62147	Katherine Fink	312-463-5000
62343	Michael Rau	703-626-1748
64670	Brian Emfinger	312-463-5000
65064	Shawn Buchanan	312-463-5484
65121	Scott Kelly	202-824-3158
65490	Kevin Keenan	312-463-5456
65538	Matthew May	312-463-5000
66461	Peter Nigrelli	312-463-5425
66521	W Phillips	312-463-5000
66569	Jay Bombien	312-463-5452
66582	Sean Jungels	312-463-5000
66816	Zhengyu Feng	1-408-378-7770
67724	Yongmei Zhang	202-942-5003
68497	Azuka Dike	312-463-3000
68971	Eric Hamp	312-463-5472
70742	Victoria Webb	312-463-5000
71227	Christian Laforgia	202-824-3000
71292	Zachary Getzelman	312-463-5000
71866	Camille Sauer	202-824-3135
72756	Joshua Davenport	202-824-3000
73263	Christopher Galfano	312-463-5447
73478	Shambhavi Patel	202-824-3134
74592	John Webb Jr.	312-463-5421
74793	Dongil Moon	202-824-3345
75348	Robert Boyd	312-463-5426
75742	Kimberly Devine	312-463-5409
76293	Alexander Bruening	402-206-4010
76326	Kirk Sigmon	202-824-3000
76426	Reilley Keane	202-824-3316
77319	Jihan Joo	202-293-7060
77416	Hayden Kunz	651-253-7143
77979	Alisa Abbott	202-824-3138
77994	Jia Li	202-758-8395
78503	Simon Lasker	347-522-6133
78624	Stephanie Majkut	202-824-3324
78839	Christian Wolfgram	314-583-6343
79334	Todd Sayles	858-603-4561
79813	Jacob Earl	312-463-5000
80116	David Glass	717-262-5755
80368	Alaina Pak	240-370-6796
80501	Jonathan Peloquin	202-824-3129
80855	Arash Sayyah	217-979-7106
L1252	Venkatram Pepakayala	312-463-5475
L1319	Hengyi Jiang	--
L1384	Qi Yu	312-616-5712
L1399	Xuechen Ding	202-824-3000

Proceeding Documents

Final Written Decision: On remand from the CAFC FINAL

2026-06-11 FILING PARTY: BOARD

Download

Panel Change Notice NOTICE

2026-06-04 FILING PARTY: BOARD

Download

Panel Change Notice NOTICE

2026-03-27 FILING PARTY: BOARD

Download

Other: other court decision OTHER

2025-12-30 FILING PARTY: BOARD

Download

Other: Fed Circuit mandate OTHER

2025-12-30 FILING PARTY: BOARD

Download

Keysight Technologies, Inc. vs. Centripetal Networks, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Keysight Technologies, Inc.

Represented By

Patent Owner / Respondent

Centripetal Networks, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Final Written Decision: On remand from the CAFC FINAL

Panel Change Notice NOTICE

Panel Change Notice NOTICE

Other: other court decision OTHER

Other: Fed Circuit mandate OTHER

Final Written Decision: original FINAL

Order: Panel Change Order ORDER

Exhibit 3006 Exhibit

Exhibit 3003 Exhibit

Institution Decision: Joined OTHER

Exhibit 3005 Exhibit

Exhibit 3007 Exhibit

Exhibit 3004 Exhibit

Exhibit 3001 Exhibit

Exhibit 3008 Exhibit

Exhibit 3002 Exhibit

Patent Owner's Updated Mandatory Notices NOTICE

Petition for Writ of Certiorari, Centripetal Networks, Inc. v. Cisco Sys., Inc., No. __ (U.S. Sept. 13, 2022) Exhibit

Reybok - US2015207813 Exhibit

Daude - US2004088542 Exhibit

IPR2022-01199 - Preliminary Response RESPONSE

Martini - US2014317397 Exhibit

Bomer - 2004199629 Exhibit

Sorensen - US2012023576 Exhibit

Coss - US6098172 Exhibit

Spies - US2005138353 Exhibit

Opinion, Centripetal Networks, Inc. v. Cisco Sys., Inc., No. 21-1888, Dkt. No. 68 (Fed. Cir. June 23, 2022) Exhibit

Petitioner_s Reply in Support of Motion for Joinder REPLY

Petitioner_s Updated Mandatory Notices Under 37 C.F.R. section 42.8 NOTICE

Ex. 2012 Exhibit

Ex. 2011 Exhibit

Patent Owner's Opposition to Petitioner's Motion for Joinder OPPOSITION

Ex. 2006 Exhibit

Ex. 2008 Exhibit

Ex. 2004 Exhibit

Ex. 2007 Exhibit

Ex. 2009 Exhibit

Ex. 2001 Exhibit

Ex. 2005 Exhibit

Ex. 2002 Exhibit

Ex. 2010 Exhibit

Ex. 2003 Exhibit

Patent Owner Power of Attorney PWR ATTY

Patent Owner's Mandatory Notices Paper

Patent Owner Mandatory Notice NOTICE

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

U.S. Patent Appl. Pub. No. 2015/0207809 Exhibit

Roesch, M., Snort: Lightweight Intrusion Detection for Networks, Lisa (Vol. 99, No. 1, pp. 229-238), 1999 Exhibit

Centripetal Networks, Inc. v. Cisco Systems, Inc., Case 2021- 1888, Dkt. No. 68 (Fed. Cir. Jun. 23, 2022) (opinion vacating judgment) Exhibit

Petition for Inter Partes Review Of U.S. Patent 9_917_856 PETITION

U.S. Patent Appl. Pub. No. 2014/0283004 Exhibit

Transmission Control Protocol, IETF RFC 793. J. Postel, ed., September 1981 Exhibit

Petitioner's Motion for Joinder MOTION

Heberlein, L. T.L, et al., A Network Security Monitor, Proceedings, 1990 IEEE Computer Society Symposium on Security and Privacy, 1990 Exhibit

U.S. Patent No. 7,849,502 Exhibit

Young-Ho Kim, et al., Design of Firewall in Router using Network Processor, IEEE Exhibit

Centripetal Networks, Inc. v. Cisco Systems, Inc., Case No. 2:18-cv-00094 (E.D. Va.), Dkt. No. 548 Exhibit

File History of U.S. Patent No. 9_917_856 - Part 2 Exhibit

Eichin, M.W. and Rochlis, J.A., _With Microscope and Tweezers: The Worm from MITs Perspective,_ Communications of the ACM, Volume 32 Number 6, June 1989 Exhibit

Declaration of Dr. Doug W. Jacobson Exhibit

U.S. Patent No. 9_917_856 Exhibit

U.S. Patent No. 7,793,342 Exhibit

E. H. Spafford_ The Internet Worm Program: An Analysis_ Purdue Technical Report CSD-TR-823_1988 Exhibit

SonicWALL Global Management System: Centralized Network Monitoring and Management Solution, 2008, archived at the Internet Archive Wayback Machine on December 7, 2008 Exhibit

File History of U.S. Patent No. 9_917_856 - Part 3 Exhibit