CrowdStrike, Inc. et al. vs. Skysong Innovations, LLC

Explore the PTAB proceeding IPR2025-01399 filed by CrowdStrike, Inc. et al. on 2025-09-26. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01399

Filing Date

2025-09-26

Accorded Filing Date

2025-09-26

Institution Decision Date

2026-01-16

Last Modified Date

2026-02-19

Proceeding Type

IPR

Termination Date

2026-01-16

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

CrowdStrike, Inc. et al.

Represented By

Hart, Paulet al

Patent Owner / Respondent

Skysong Innovations, LLC

Represented By

Kesan, Jayet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 18154727

Respondent Patent Number 11775831

External Links

Espacenet

Google Patents

Respondent Inventor Jae-sun Seo et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

151 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name FISH & RICHARDSON P.C. (SD)

Customer Number —

Address P.O. BOX 1022, MINNEAPOLIS, MN, 55440-1022, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
25351	S Ludwig	212-641-2320
30499	Robert Sullivan Jr	212-765-5070
31644	P Musselman Jr	214-292-4030
32983	J Fasse	617-542-5070
34609	David Goren	650-839-5070
35283	Anita Meiklejohn	617-542-5070
35322	John Phillips	858-678-5070
37640	John Hayden	202-783-5070
38524	Phyllis Kristal	202-626-6424
39522	Terry Stalford	214-292-4088
42276	James Babineau	512-472-5070
42497	John Dragseth	612-335-5070
42596	Kirk Gottlieb	650-839-5070
43162	Richard Sterba	202-783-5070
43350	Charles Schulman	617-230-6012
43881	Timothy Riffe	202-783-5070
44109	James Finn Iii	612-335-5070
44282	M. Parsons	612-337-2577
45449	Gwilym Attwell	302-778-8458
45485	John Conroy	490-897-10410250
45910	Paul Franz	404-724-2763
46310	Joshua Griswold	214-292-4034
46656	Sean Dean	617-542-5070
46731	Christine Goddard	617-542-5070
47443	John Brennan	212-765-5070
47532	Andrea Dorigo	858-678-4794
47671	William Hunter	858-678-4707
48029	Scott Wendorf	214-733-0859
48950	Jeffrey Barclay	617-542-5070
50325	David Jordan	202-626-6365
50429	Janice Deyoung	617-956-5985
50620	Thomas Rozylowicz	202-626-6395
50636	Ryan Mccarthy	512-226-8169
50680	John Kendall	617-521-7032
53103	Elizabeth Kaytor	34-985-26-92-75
53452	Neal Persky	512-853-8800
54101	Heather Flanagan	512-472-5070
54112	Todd Garcia	617-542-5070
54149	Michael Hamlin	617-542-5070
55016	Christopher Bowley	650-839-5001
56842	Marc Wefers	617-542-5070
57661	Rex Huang	617-542-5070
57867	Michael Hawkins	612-337-2569
58674	Cameron Luitjens	612-766-2082
59567	Nicholas Jepsen	202-626-6367
60816	Patrick King	703-720-7870
61225	Michael Portnov	650-839-5070
61359	Tiffany Reiter	617-897-2037
62371	Tracy Hitt	404-724-2775
62396	Joseph Valentino	212-765-5070
62469	Jamilla Holomon	713-654-5320
62880	John-Paul Fryckman	858-678-4396
63173	Matthew Wernli	512-226-8131
63471	Andrew Patrick	202-783-5070
63893	Patrick Bisenius	612-337-2590
63947	Stuart Nelson	612-337-2538
64231	Michael Shepherd	650--83-9-5165
64297	Jennifer Huang	612-335-5070
64399	Kim Leung	(828) 901-5206
64455	Garett Padilla	612-638-5739
64612	Christina Mcdonough	617-542-5070
64768	Rishi Gupta	214-292-4056
64816	Robert Gerhart	612-766-2061
64869	Jonathan Solomon	214-760-6148
65161	David Holt	202-626-7783
65758	Andrew Dommer	612-337-2522
65853	Joseph Koipally	617-542-5070
65973	Matthew Mattson	214-747-5070
66469	Christopher Wright	404-724-2788
67317	Crystal Culhane	858-678-5635
67552	Paul Western	612-337-2567
68116	Kenneth Hoover	512-226-8117
68717	Sushil Iyer	202-626-7778
68848	Joel Couenhoven	202-783-5070
68892	Margaret Willis	612-278-4506
69205	Patrick Darno	202-626-7726
69264	Craig Deutsch	612-278-4514
69591	Kathryn Grey	612-638-5720
70014	Hyun Jin In	202-626-7765
70439	Usman Khan	202-626-6383
70538	Yunbo Guo	512-226-8108
70596	Erin Knight	512-226-8118
70838	Annie King	617-368-2121
71278	Daniel Smith	214-292-4071
71612	Kary Yergler	214-292-4036
71762	Matthew Knabel	202-835-7537
71777	Karan Jhurani	404-724-2807
71928	Craig Boyle	212-641-2265
71977	Grace Kim	612-766-7896
72505	Gretchen Devries	212-641-2269
72726	Giordana Mahn	617-521-7845
73048	Iulia Graf	512-226-8121
73259	Richard Wong	212-641-2285
73407	Scott Dyar	312-913-3332
73472	Meghana Gupta	617-542-5070
73609	William Spencer Iii	212-641-2270
74063	Christopher Reilly	617-933-4427
74071	Timothy Babatz	612-708-5996
74169	Leanne Flatter	512-226-8130
74320	Nicholas Stephens	612-766-2018
74466	Ryan Chowdhury	202-638-6554
74627	Evan Davey	302-778-8457
74643	Peter Poulin	617-956-5901
74999	Peng Lin	617-368-2124
75037	Katie Hyma	613-682-1397
75127	Xu Li	302-778-8470
75476	Kiersten Batzli	612-766-2015
75496	Dariela Almeda	512-226-8115
75834	Karina Calliste	202-629-6363
76108	Tyler Train	858-678-4326
76611	Minseung Ahn	202-626-7708
76667	Vincent Beacom	763-213-3914
76691	Molly Kelley	612-335-5070
76703	Craig Carlson	202-638-6509
76843	Kim Bui	212-641-2318
76874	Jasmine De Cock	212-641-2216
76988	Kimberly Reynolds	617-526-9671
77081	Cameron Ubel	612-766-2057
77139	Caleb Bates	650-839-5070
77256	Justin Sears	212-641-2296
77259	Liujing Xing	617-542-5070
77261	Sangki Park	612-336-4669
77277	Sohee Yoon	202-626-7703
77367	Juan Perez Jr.	512-226-8158
77647	Alysha Dicke	612-638-5719
77763	Matthew Chun	617-521-7021
77914	Ashley Biernesser	617-521-7033
77958	Hanchao Zhao	617-368-2182
78020	Erica Davis	503-970-8608
78165	Samuel Orke	414-277-5640
78294	Jiao Wang	858-678-4390
78335	Patrick Rothstein	312-423-3462
78380	Baile Xie	214-760-6139
78815	Timothy Mcfadden	617-542-5070
78933	Daniel Wheaton	207-408-9369
79014	Allison Dietrich	202-626-6423
79041	Haoliang Chen	214-292-4048
79350	Jong Wan Suh	202-626-7785
79432	Indranil Sarkar	202-638-6504
79512	Sara Brandt	049-897-10410296
79866	Alexander Berg	212-641-2232
79991	Benjamin Halkowski	202-220-6849
80507	Allen Eastlund	612-638-5752
80735	Jillian Shapiro	212-765-5070
80797	Steven Petkovsek	216-538-3967
80833	Wilhelm Bolt	617-521-7829
81505	John Treilhard	404-901-2953
81555	John Bowler	303-473-2700
L1264	John Treilhard	202-626-6439
L1279	Ran Wang	713-654-5366
L1350	Laura Daly	512-487-9048

Proceeding Documents

Notice: refund approved NOTICE

2026-02-19 FILING PARTY: BOARD

Download

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

2026-02-05 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2026-01-16 FILING PARTY: BOARD

Download

3101

Email Correspondence Exhibit

2026-01-15 FILING PARTY: BOARD

Download

Petitioner's Corrected Opposition to Patent Owner's Request for Discretionary Denial OTHER

2026-01-15 FILING PARTY: PETITIONER

Download

CrowdStrike, Inc. et al. vs. Skysong Innovations, LLC

Proceeding Overview

Parties & Counsel

Petitioner

CrowdStrike, Inc. et al.

Represented By

Patent Owner / Respondent

Skysong Innovations, 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

Email Correspondence Exhibit

Petitioner's Corrected Opposition to Patent Owner's Request for Discretionary Denial OTHER

EX1044-Virtamove, Corp. v. Google LLC, No. 7:24-cv-00033-DC-DTG, Dkt. 86 (W.D. Tex. Jan. 22, 2025) (Order Granting Motion to Transfer Venue) Exhibit

EX1045-Parus Holdings, Inc. v. Apple Inc., No. 6:21-cv-00968-ADA, ECF No. 94 Exhibit

EX1042-Skysong Innovations, LLC v. CrowdStrike, Inc. et al., No. 7:25-cv-00040-DC-DTG, Dkt. 61 (W.D. Tex. Oct. 9, 2025) (Motion to Transfer) Exhibit

EX1037-Datanet LLC v. Dropbox Inc., No. 6:22-cv-01142-OLG-DTG, (W.D. Tex. Dec. 28, 2023) (Order Denying Motion to Stay) Exhibit

EX1040-U.S. District Courts Median Time to Trial During 12-Month Period Ending June 30, 2025 Exhibit

EX1034-Examiner Guo Xilin Patent Examination Statistics Exhibit

EX1041-Chrimar Systems, Inc. v. ADTRAN, Inc., et al., No. 6:15-cv-00618, (E.D. Tex. Oct. 28, 2015) (Order Consolidating Case) Exhibit

EX1047-Virtamove, Corp. v. Google LLC, No. 7:24-cv-00033-DC-DTG, Dkt. 102 (W.D. Tex. May 7, 2025) (Order of Transfer) Exhibit

EX1048-Motorola Solutions, Inc., v. Stellar, LLC, IPR2024-01205, EX1043 (Petitioner’s Sotera Stipulation) Exhibit

EX1043-Docket Navigator Page Showing Success Rate of Motions to Transfer for Judge Gilliland Exhibit

EX1038-VOIP-PAL.com, Inc. v. Samsung Elecs. Co., Ltd., No. 6:21-cv-01246 (W.D. Tex. April 19, 2023) (Text Order Granting Motion to Stay) Exhibit

EX1035-USPTO Launches Data-Driven Quality Initiative to Address Areas of Highest Deviation (Nov. 21, 2025) Exhibit

EX1036-Fortinet Inc. Docket Navigator Trial Timeline Milestones Exhibit

EX1046-Mobile Data Technologies LLC, v. Meta Platforms, Inc., No. 7:22-cv-00244-ADA-DTG, Dkt. 83 (W.D. Tex. Dec. 18, 2023) (Order Granting Motion to Transfer Venue) Exhibit

EX1039-VOIP-PAL.com, Inc. v. Samsung Elecs. Co., Ltd., No. 6:21-cv-01246, Dkt. 46 (W.D. Tex. Feb. 27, 2023) Exhibit

EX2015 Exhibit

EX2013 Exhibit

EX2014 Exhibit

EX2012 Exhibit

Patent Owner's Motion to Seal and Default Protective Order MOTION

Skysong’s First Amended Complaint Exhibit

Patent Owner's Discretionary Denial Brief_Redacted Exhibit

Scheduling Order Exhibit

Revision to Rules of Practice Before the PTAB Exhibit

CrowdStrike Docket Exhibit

Fortinet Docket Exhibit

Declaration of Kyle N. Siegal_Redacted Exhibit

Executive Order No. 14,028 Exhibit

Default Protective Order Exhibit

IPRs and Litigation Schedules Exhibit

EX1033-Petitioner CrowdStrike, Inc.’s Notice of Sotera Plus Stipulation Exhibit

Petitioner's Updated Exhibit List NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

EX1013-Yann LeCun et al., Gradient-Based Learning Applied to Document Recog Exhibit

EX1021-Yoshua Bengio et al., Estimating or Propagating Gradients Through St Exhibit

Petition for Inter Partes Review of U.S. Patent No. 11,755,831 PETITION

EX1031-Yann LeCun et al., Deep learning, Nature Vol. 521 (May 28, 2015) Exhibit

EX1028-Pakorn Watanachaturaporn et al., Hyperspectral Image Classification Exhibit

EX1011-Matthieu Courbariaux et al., Binarized Neural Networks: Training Neu Exhibit

EX1023-Vincent Vanhoucke et al., Improving the speed of neural networks on Exhibit

EX1014-Jiuxiang Gu et al., Recent Advances in Convolutional Neural Networks Exhibit

EX1032-Ahmed AK Tahir, Integrating artificial neural network and classical Exhibit

EX1015-Dominik Scherer et al., Evaluation of Pooling Operations in Convolut Exhibit

EX1005-Moons, et al Energy-Efficient ConvNets Through Approximate Computing Exhibit

EX1029-Wei Wen et al., An EDA Framework for Large Scale Hybrid Neuromorphic Exhibit

EX1027-Vinay K. Chippa et al., Analysis and Characterization of Inherent Ap Exhibit

EX1018-Alex Krizhevsky et al., ImageNet Classification with Deep Convolutio Exhibit

EX1009-Declaration of June Munford Exhibit

EX1019-Thomas L. Floyd, Digital Fundamentals, 11th ed., Pearson Education L Exhibit

EX1016-U.S. Patent No. 9,886,948 to Garimella et al. Exhibit

EX1025-Microsoft Computer Dictionary, 3rd ed., 1997, excerpts Exhibit

EX1010-Declaration of Gordon MacPherson Exhibit

EX1022-Emmanuel Bengio et al., Conditional Computation in Neural Networks Exhibit

EX1024-Patrick Judd et al., Reduced-Precision Strategies for Bounded Memory Exhibit

EX1002-File History for US Patent 11755831 Exhibit

EX1012-Minkyu Kim et al., An Energy-Efficient Deep Convolutional Neural Net Exhibit

EX1001-U.S. Patent No. 11,775,831 Exhibit

Petitioner Power of Attorney NOTICE