Microsoft Corporation vs. Edge Networking Systems, LLC

Explore the PTAB proceeding IPR2025-00618 filed by Microsoft Corporation on 2025-02-17. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00618

Filing Date

2025-02-17

Accorded Filing Date

2025-02-17

Institution Decision Date

2025-09-30

Last Modified Date

2026-06-04

Proceeding Type

IPR

Termination Date

2026-03-25

Trial Status

Terminated-Adverse Judgment

Parties & Counsel

Petitioner

Microsoft Corporation

Represented By

Tyson, Christopheret al

Patent Owner / Respondent

Edge Networking Systems, LLC

Represented By

Theiss, Brandonet 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 17142983

Respondent Patent Number 11695823

External Links

Espacenet

Google Patents

Respondent Inventor Pouya Taaghol et al

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

Address and Attorney/Agent Information

38 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name VOLPE KOENIG

Customer Number 3624

Address 30 SOUTH 17TH STREET, 18TH FLOOR, PHILADELPHIA, PA, 19103, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28377	Anthony Volpe	215-568-6400
29662	C Koenig Iii	215-568-6400
33701	Daniel Golub	267-693-4322
34626	Randolph Huis	215-568-6400
37633	Gerald Halt Jr	215-568-6400
43593	John Donch Jr	215-568-6400
45215	Stuart Whittington	215-255-9230
48636	Todd Norton	215-255-9135
53223	Daniel Ling	216-363-9000
53401	Ryan O'Donnell	609-924-7900
53703	Dean Tricarico	973-828-1284
56982	Wesley Mcmichael	215-568-6400
57204	Robert Leonard	215-568-6400
58200	Nicholas Tinari Jr.	215-567-2010
58347	Michael Snyder	215-568-6400
59819	Joseph Gushue	215-570-3300
59955	Joshua Hamberger	201-410-8447
61553	Christina Walsh	215-568-6400
62745	Joseph Boos Jr	215-255-9190
64233	Marina Sigareva	617-470-1531
64397	Edward La Barr	215-255-6400
65170	Anthony Pettes	215-568-6400
65711	John Bollinger	610-213-6283
65760	Jonathan Dunsay	215-568-6400
66827	Baha Obeidat	206-622-4900
67743	Dawn Kerner	215-568-6400
69369	Patrick Griffin	610-733-1599
70507	Brandon Theiss	201-953-0854
71204	Robert Moore	617-348-1826
71315	Alok Parikh	215-255-9206
73179	Andrew Buschmeier	215-255-9158
74555	Danielle Gross	215-255-9233
75417	Michael Maicher	215-568-6400
76110	John Wilt	215-255-9187
78244	Joshua Schmid	609-313-8038
800108	Radhika Joshi	215-255-9212
81932	Bradley Richards	678-386-2752
82796	Brandon Barr	215-568-6400

Proceeding Documents

120

Adverse judgment: post-institution ADVRSJUDG

2026-03-25 FILING PARTY: BOARD

Download

3004

Ex. 3004 Exhibit

2026-03-25 FILING PARTY: BOARD

Download

2017

Ex. 2017 - Statutory Disclaimer Exhibit

2026-03-18 FILING PARTY: PATENT OWNER

Download

3003

Ex. 3003 Exhibit

2026-03-16 FILING PARTY: BOARD

Download

Petitioner’s Notice of Deposition of Dr. Sanjay Ranka NOTICE

2026-02-24 FILING PARTY: PETITIONER

Download

Microsoft Corporation vs. Edge Networking Systems, LLC

Proceeding Overview

Parties & Counsel

Petitioner

Microsoft Corporation

Represented By

Patent Owner / Respondent

Edge Networking Systems, LLC

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Adverse judgment: post-institution ADVRSJUDG

Ex. 3004 Exhibit

Ex. 2017 - Statutory Disclaimer Exhibit

Ex. 3003 Exhibit

Petitioner’s Notice of Deposition of Dr. Sanjay Ranka NOTICE

U.S. Patent Publ. No. 2012/0066665 Exhibit

U.S. Patent Publ. No. 2004/0107417 Exhibit

CV of Dr. Sanjay Ranka Exhibit

Expert Declaration of Dr. Sanjay Ranka Exhibit

U.S. Patent Publ. No. 2011/0265077 Exhibit

U.S. Patent Publ. No. 2013/0007254 Exhibit

U.S. Patent No. 8,495,611 Exhibit

U.S. Patent Publ. No. 2008/0209491 Exhibit

U.S. Patent Publ. No. 2014/0052976 Exhibit

U.S. Patent No. 7,630,706 Exhibit

U.S. Patent Publ. No. 2013/0263104 Exhibit

U.S. Patent Publ. No. 2012/0266156 Exhibit

Patent Owner Response RESPONSE

D. Kramer, The Java Platform, A White Paper, Sun Microsystems, 1996 Exhibit

D. Friedel, Jr. and A. Potts, JAVA Programming Language Handbook, 1996 Exhibit

EX 3002 Exhibit

ORDER Granting Stay of Reexamination 35 U.S.C. § 315(d); 37 C.F.R. § 42.122(a) ORDER

EX1084 File History, as of November 20, 2025, of Ex Parte Re-examination No. 90019948 (the “’948 Reexam”) Exhibit

Petitioner’s Unopposed Motion to Stay Concurrent Ex Parte Reexamination Proceeding MOTION

Scheduling Order ORDER

Institution Decision: Granting Institution of Inter Partes Review 35 U.S.C. sec. 314 DECISION

Director Discretionary Decision: Refer RESPONSE

Patent Owner's Reply In Support Of Motion for Discretionary Denial OTHER

Email Correspondence Exhibit

EX1077 Dkt 41 - ENS v Microsoft - Order setting Markman Hearing for 10-7-2025 (6-11-2025) Exhibit

IPR2025-00618 Petitioner’s Opposition to Patent Owner’s Request for Discretionary Denial of Institution RESPONSE

EX1083 McKeown OpenFlow Exhibit

EX1081 US20120300615A1-Kempf Exhibit

EX1074 Excerpt from Zenious et al., BIODESIGN; THE PROCESS OF INNOVATING MEDICAL TECHNOLOGIES (EX2010 in iRhythm Technologies Inc. v. Welch Allyn Inc., IPR2025-00363) Exhibit

EX1076 April 2025 Emails with Board re filing Sotera stip for MSFT v ENS IPRs Exhibit

EX1073 US20140241158A1-Anthony Jr Exhibit

EX1079 Edge Networking Sys Certificate of Formation(19460076.1) Exhibit

EX1075 March 2025 Email with Sotera Stipulation (ENS v MSFT) Exhibit

Patent Owner's Preliminary Response POPR

EX1082 US20090276771A1 - Nickolov Exhibit

EX1078 Dkt 43 - ENS v Microsoft - Amended Scheduling Order (6-27-2025) Exhibit

EX1080 assignment-pat-63454-352 - Taaghol to Edge Networking(4-20-2023) Exhibit

Brief In Support Of Motion for Discretionary Denial RESPONSE

Ex. 2001 - US 20130054763 - Van der Merwe Exhibit

Ex. 2002 - Petition In IPR2018-01739 Exhibit

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

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

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

1022 “Open Services Gateway Initiative: Charter”, OSGi website Exhibit

1014 Declaration of June A. Munford Exhibit

1025 “Management Team”, Gatespace AB website, archived on February 8, 2002 Exhibit

1002 Prosecution history of the ’823 Patent (“’823 File History”) Exhibit

1044 Excerpts from A.S. Tanenbaum, “Modern Operating Systems” Exhibit

1070 Plaintiff Edge Networking Systems, LLC’s Opening Claim Construction Exhibit

1017 “About Gatespace”, Gatespace AB website, archived on January 6, 2000 Exhibit

1053 “Java Secure Socket Extension (JSSE) Reference Guide for Java Platform Exhibit

1023 “Open Services Gateway Initiative: Officers”, OSGi website Exhibit

1009 Excerpts from R. Hall, et al., “OSGi in Action - Creating Modular Exhibit

1021 “People”, Carlstedt Research & Technology AB website Exhibit

1019 “Ericsson e-services is a part of the Open Services Gateway Initiative Exhibit

1056 “Using Java™ RMI with SSL”, Oracle Java SE Documentation Exhibit

1072 Scheduling Order, filed as Document No. 27, on September 4, 2024 Exhibit

Notice: Power of Attorney NOTICE