Amazon.com, Inc. et al. vs. KAIFI LLC

Explore the PTAB proceeding IPR2025-00625 filed by Amazon.com, Inc. et al. on 2025-02-25. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00625

Filing Date

2025-02-25

Accorded Filing Date

2025-02-25

Institution Decision Date

2025-07-29

Last Modified Date

2025-08-29

Proceeding Type

IPR

Termination Date

2025-07-29

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Amazon.com, Inc. et al.

Represented By

Jarratt, Scottet al

Patent Owner / Respondent

KAIFI LLC

Represented By

Phillips, Matthewet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 13591479

Respondent Patent Number 8930196

External Links

Espacenet

Google Patents

Respondent Inventor Heui-Suck JUNG et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

61 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name LRK Patent Law Firm

Customer Number 86144

Address 14325H WILLARD RD., CHANTILLY, VA, 20151, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
24224	Victor Libert	860-286-2929
31152	Michael Cantor	860-286-2929
33011	Paul Madan	713-266-1130
33155	Karl Barr Jr	248-524-2300
33288	Karl Vick	312-259-6850
33979	Keith Murphy	860-286-2929
34422	Michael Rye	860-286-2929
35101	Philmore Colburn Ii	860-286-2929
37967	Christine Beninati	404-607-9991
38367	Susan Zerull	989-636-8858
38807	David Fox	860-286-2929
39197	Todd Garabedian	860-286-2929
39237	Karen Jalbert	716-325-5553
39341	Leah Reimer	860-286-2929
39441	Sana Pratt	860-286-2929
41624	Christopher Boehm	248-524-2300
42618	Peter Hagerty	404-607-9991
43801	James Merrick	860-286-2929
44522	Joseph Barrera	585-481-1772
44530	Herbert Bedingfield	860-286-2929
44778	Leslie-Anne Maxwell	860-286-2929
44867	Daniel Lent	860-286-2929
46372	Roberta Pelletier	860-286-2929
47210	Matthew Lawrence	860-286-2929
47314	Charles O'Brien	860-286-2929
47535	Daniel Drexler	860-286-2929
47784	Steven Mchugh	860-343-9454
48770	T. Bomzer	860-286-2929
50604	David Rodrigues	713-266-1130
52187	Thomas Ryan	860-632-7200
52600	Asaf Batelman	703-236-4500
53546	Mark Samek	860-286-2929 EXT.122
53749	Jeffrey Waters	404-607-9991
53993	Amy Bizon-Copp	860-286-2929
54566	Bryan Zerhusen	860-286-2929
55378	Howard Levy	703-236-4500
56025	Eric Baron	860-286-2929 EXT. 12
56539	Daniel Gibson	860-286-2929
58500	Jenae Gureff	703-236-4500
59990	James Wimpe	860-286-2929
60098	Duane Minley	404-607-9991
60120	Ronald Jones	713-266-1130 X 5108
62422	Eugene Kwon	703-236-4500
62970	Koichiro Nakamura	864-271-1592
63263	Jared Howenstine	860-286-2929
64440	Danielle Dougherty	860-286-2929
64885	Mia Fiedler	404-607-9991
65989	Ian Wasser	248-524-2300
66570	Samantha Burch	248-524-2300
66733	Matteo Pedini	202-775-1900
67093	Alicia Hayter	860-286-2929
68336	David Kincaid	862-229-3087
68435	Yong Tang	404-607-9991
68539	Dennis Jakiela	860-286-2929
68540	Jaegyoo Jang	703-236-4500
71006	Patrick Sandoval	303-863-9700
71398	David Tucker	404-807-9991
72141	Nicholas Herrel	860-286-2929
76034	Joseph Romagnano	508-868-7832
78813	Sung Wook Kooh	703-236-4500
83021	Naresh Ramireddy	210-601-7199

Proceeding Documents

Notice: refund approved NOTICE

2025-08-11 FILING PARTY: BOARD

Download

Petitioner's Request for Refund of Post-Institution Fees OTHER

2025-08-08 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2025-07-29 FILING PARTY: BOARD

Download

1060

Ex.1060 - District Court Time-to-Trial Statistics 6.30.2024 Exhibit

2025-07-11 FILING PARTY: PETITIONER

Download

1063

Ex.1063 - District Court Time-to-Trial Statistics 3.31.2025 Exhibit

2025-07-11 FILING PARTY: PETITIONER

Download

Amazon.com, Inc. et al. vs. KAIFI LLC

Proceeding Overview

Parties & Counsel

Petitioner

Amazon.com, Inc. et al.

Represented By

Patent Owner / Respondent

KAIFI LLC

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Request for Refund of Post-Institution Fees OTHER

Director Discretionary Decision: Deny RESPONSE

Ex.1060 - District Court Time-to-Trial Statistics 6.30.2024 Exhibit

Ex.1063 - District Court Time-to-Trial Statistics 3.31.2025 Exhibit

Ex.1047 - Patent Cases Brought by Subsidiaries of Golden Wave Partners Co Exhibit

Ex.1051 - Corporate Disclosure Statement - Global Touch v. Microsoft, EDVA-3-14-cv-00548-2 Exhibit

Ex.1057 - Joint Motion to Stay All Deadlines and Notice of Settlement - EDTX-2-24-cv-00542 Exhibit

Ex.1054 - Corporate Disclosure Statement - Wireless Alliance v. AT&T, EDTX-2-23-cv-00095-3 Exhibit

Ex.1058 - Granted Stay Motion Exhibit

Ex.1059 - District Court Time-to-Trial Statistics 3.31.2024 Exhibit

Ex.1055 - Corporate Disclosure Statement - Ts-Optics v. Microsoft, CDCA-8-24-cv-01974-5 Exhibit

Ex.1061 - District Court Time-to-Trial Statistics 9.30.2024 Exhibit

Patent Owner's Preliminary Response to Petition for Inter Partes Review POPR

Ex.1044 - KAIFI LLC Certificate of Correction Exhibit

Ex.1045 - Investing, creating jobs, and contributing to the American economy Exhibit

Ex.1064 - Gilstrap trials scheduled for 3.16.26 Exhibit

Ex.1043 - KAIFI LLC Amendment to Certificate of Formation Exhibit

Ex.1050 - Corporate Disclosure Statement - Safe Storage v. Dell, DDE-1-12-cv-01624-17 Exhibit

Ex.1048 - Commerce Secretary Howard Lutnick Confirmation Hearing Transcript Exhibit

Ex.1053 - Corporate Disclosure Statement - Throop v. Epson, CDCA-2-19-cv-10597-5 Exhibit

Ex.1049 - Corporate Disclosure Statement - KAIFI v. Amazon, EDTX-2-24-cv-00542-17 Exhibit

Petitioner's Opposition to Patent Owner's Request for Discretionary Denial RESPONSE

Ex.1056 - PTAB Standard Operating Procedure 1 R16 (2024) Exhibit

Ex.1041 - '196 Patent Assignment Record Exhibit

Ex.1052 - Corporate Disclosure Statement - Sequoia v. Hitachi, DDE-1-18-cv-01129-29 Exhibit

Ex.1042 - KAIFI LLC Certificate of Formation Exhibit

Patent Owner's Second Updated Mandatory Notices NOTICE

Patent Owner's Power of Attorney NOTICE

Ex. 2002 -Initial Invalidity Contentions Exhibit

Ex. 2023 -Amazon's US 9,3907,08 Exhibit

Ex. 2014 -Suppl. Ineligibility Contentions Cover Pleading Exhibit

REQUEST FOR DISCRETIONARY DENIAL RESPONSE

Ex. 2007 -Inelegibility Contentions Appx A Exhibit

Ex. 2021 -Amazon Wikipedia Page Exhibit

Ex. 2019 -Petitioner's Stipulation Exhibit

Ex. 2011 -Amended Invalidity Contentions '196 Patent Exhibit

Ex. 2022 -J. Gilstrap's Stay Statistics Exhibit

Ex. 2005 -Ineligibility Contentions Cover Pleading Exhibit

Ex. 2024 -File History 9,390,708 Amazon Exhibit

Ex. 2025 -EDTX-2-24-cv-00542-001 (Complaint Exhibit

PATENT OWNER’S EXHIBIT LIST NOTICE

Ex. 2016 -Suppl, Ineligibility Contentions Appx A Exhibit

Ex. 2020 -Notice Rescinding Vidal's 6-21-22 Fintiv Memo Exhibit

Patent Owner's Power of Attorney NOTICE

Patent Owner's Updated Mandatory Notices NOTICE

Notice: Notice filing date accorded NOTICE

Patent Owner's Initial Mandatory Notices NOTICE

Patent Owner's Power of Attorney NOTICE

Ex.1024 - US20030220796A1 Aoyama Exhibit

Ex.1009 - Declaration of Gordon MacPherson Exhibit

Ex.1017 - C.H. Lee, NPL Exhibit

Ex.1032 - Interim Procedure for Discretionary Denials Exhibit

Ex.1006 - US20080059188A1 Konopka Exhibit

Ex.1028 - EDTX Docket Control Order Exhibit

Ex.1019 - Holmes, NPL_Part 1 of 4 Exhibit

Ex.1019 - Holmes, NPL_Part 2 of 4 Exhibit

IPR Petition - KAIFI '196 PETITION

Ex.1022 - EXCERPT - Rabiner, NPL_Part 4 of 5 Exhibit

Ex.1031 - Gilstrap Docket for 3-16-2026 Exhibit

Ex.1014 - MIPS Definition Exhibit

Petitioner's Power of Attorney NOTICE

Ex.1019 - Holmes, NPL_Part 4 of 4 Exhibit

Ex.1018 - Schmandt, NPL_Part 3 of 3 Exhibit

Ex.1023 - US4926488 Nadas Exhibit