Sandisk Technologies, Inc. et al. vs. Polaris PowerLED Technologies, LLC

Explore the PTAB proceeding IPR2025-00515 filed by Sandisk Technologies, Inc. et al. on 2025-01-29. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00515

Filing Date

2025-01-29

Accorded Filing Date

2025-01-29

Institution Decision Date

2025-07-16

Last Modified Date

2026-03-10

Proceeding Type

IPR

Termination Date

2025-07-16

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Sandisk Technologies, Inc. et al.

Represented By

O'Dell, Davidet al

Patent Owner / Respondent

Polaris PowerLED Technologies, LLC

Represented By

Alberti, Davidet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2100 - Computer Architecture & Software

Patent Information

1 Patent Involved

Respondent Application Number 13477600

Respondent Patent Number 9183085

External Links

Espacenet

Google Patents

Respondent Inventor Philip L. Northcott

Respondent Tech Center TC 2100 - Computer Architecture & Software

Address and Attorney/Agent Information

207 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Knobbe, Martens, Olson & Bear, LLP

Customer Number 20995

Address 2040 MAIN STREET, FOURTEENTH FLOOR, IRVINE, CA, 92614, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
31291	Joseph Re	949-760-0404
31430	Craig Summers	949-760-0404
32297	Edward Schlatter	949-760-0404
34115	Daniel Altman	949-760-0404
34362	John King	949-760-0404
35556	Stephen Jensen	949-760-0404
36516	Michael Fuller	858-707-4000
37688	Steven Nataupsky	949-760-0404
37924	Raimond Salenieks	858-707-4000
39287	Joseph Mallon	858-707-4000
39901	Neil Bartfeld	858-707-4202
40574	Maria Anderson	206-405-2000
40664	Joseph Jennings	949-760-0404
41371	David Weiss	310-551-3450
41394	Adeel Akhtar	415-954-4114
42610	John Grover	949-760-0404
43622	Mark Gallagher	949-760-0404
43745	Sabing Lee	949-760-0404
43878	Joseph Reisman	858-707-4000
44087	Paul Conover	949-760-0404
44328	Melanie Seelig	206-405-2000
45664	Eric Furman	858-707-4000
46206	Mauricio Uribe	206-405-2000
46547	Matthew Bellinger	949-760-0404
47677	Bruce Itchkawitz	949-760-0404
48877	Curtis Huffmire	949-760-0404
51212	Andrew Douglas	949-760-0404
51240	Linda Liu	949-760-0404
51241	James Herkenhoff	6503282844
51754	Christy Green	949-760-0404
51922	Irfan Lateef	949-721-7672
52082	Perry Oldham	949-721-2961
53018	Gregory Hermanson	858-707-4000
53084	Mark Kachner	310-551-3450
53102	Benjamin Katzenellenbogen	(617) 499-6200
53317	Andrew Merickel	415-954-4114
53428	Yichuan Pan	858-707-4000
53658	Sheila Swaroop	949-760-0404
54198	Russell Jeide	949-760-0404
54511	Josue Villalta	949-760-0404
54618	Karen Lenker	949-760-0404
55030	Cheryl Burgess	949-721-2935
55036	Ted Cannon	949-760-0404
55310	Agnes Juang	949-760-0404
55634	Raymond Smith	949-760-0404
56553	Lauren Keller	949-721-6365
57046	Jarom Kesler	949-760-0404
57505	Michael Christensen	949-760-0404
57571	Maria Stout	858-707-4000
57871	Mark Marsden	858-707-4000
58474	Jared Bunker	949-760-0404
58621	Ryan Melnick	858-707-4000
58855	Andrew Kimmel	949-760-0404
59362	Lincoln Essig	202-640-6400
59406	David Trossen	415-954-4114
59856	Terry Tullis	949-760-0404
60295	Brenden Gingrich	858-707-4000
60934	Christopher Ross	949-760-0404
61224	Carol Pitzel Cruz	206-405-2000
61513	Colin Heideman	206-405-2000
61546	Theodore Papagiannis	949-760-0404
61557	Nicholas Zovko	949-760-0404
61569	Qian Dai	858-707-4000
61595	Susan Natland	949-760-0404
61749	Kimberly Miller	858-707-4000
61805	Jason Jardine	858-707-4000
62027	Aaron Davis	415-954-4114
62280	Ian Gillies	858-707-4000
62676	Philip Nelson	949-760-0404
62933	Christie Matthaei	206-405-2000
63035	Kregg Koch	310-551-3450
63051	Brian Claassen	949-760-0404
63106	Chang Lim	949-760-0404
63160	Nathanael Luman	858-836-9000
63635	Alan Laquer	949-760-0404
63934	Jeffery Hallstrom	949-760-0404
64096	Joshua Stowell	949-760-9562
64420	Jason Swartz	609/734-6888
64970	Morgan Coates	949-760-0404
65026	Devanie Dufour	202-640-6400
65066	Scott Cromar	949-721-2812
65157	Laura Hall	949-721-7686
65290	Sean Ambrosius	949-760-0404
65562	Derek Dailey	858-707-4000
65614	Shannon Lam	949-760-0404
65642	Andrea Cheek	202-640-6400
65994	Marko Zoretic	949-760-0404
66152	Lance Smemoe	949-760-0404
66226	Derek Bayles	949-760-0404
66385	Joan Chan	949-760-0404
66766	Andrew Lloyd	949-760-0404
67249	Kyu Min	415-954-4114
67720	Salima Merani	949-760-0404
67824	Hochan Song	949-760-0404
67884	Jonathan Bachand	202-640-6400
68005	Vikas Bhargava	949-760-0404
68069	Vladislav Teplitskiy	949-721-5308
68287	Paul Stellman	415-954-4114
68306	William Adams	949-760-0404
68316	Jason Champion	949-760-0404
68329	Daniel Gibson	949-760-0404
68430	Vladimir Lozan	949-721-2828
68578	Thomas Cowan	858-707-4000
68587	Viswanathan Lakshmanan	415-954-4114
69133	Stephen Larson	949-760-0404
69282	Heungsoo Choi	858-707-4000
70224	Robert Hilton	858-707-4000
70256	Damien Howard	949-760-0404
70367	Adam Powell	650-752-1100
70451	Mark Rubinshtein	858-707-4000
70611	Karen Marie Cassidy	949-721-5302
70780	Bryan Mcwhorter	206-405-2000
71099	Justin Gillett	949-760-0404
71587	Hans Mayer	949-760-0404
71679	Daniel Kamkar	858-707-4180
71691	Makoto Tsunozaki	415-954-4114
71933	Jordan Gottdank	858-707-4000
72423	Brian Graham	415-814-6161
72722	Peter Law	858-707-4243
73097	Harnik Shukla	949-760-0404
73126	David Schmidt	949-721-6386
74164	Aaron Johnson	949-395-4097
74752	Aryeh Feinstein	202-640-6408
74897	Douglas Wentzel	856-285-4688
74907	Dominic Filice	650-849-3061
75143	Michelle Ziperstein	310-407-3475
75150	Clayton Henson	858-707-4000
75231	Paul Spiel	206-405-2032
75319	Alexander Martinez	949-760-0404
75684	Jessica Achtsam	949-760-0404
75686	Jeremy Anapol	949-721-2806
75717	Jeremy Carney	949-760-0404
75733	Katherine Mcmorrow	310-407-3460
75805	Brian Barnes	949-721-5242
76047	Inzer Ni	212-849-3044
76130	Tyler Cox	415-217-3516
76238	Mitchell Hadley	212-849-3013
76314	David Cohen	949-760-0404
76416	Spencer Carter	949-760-0404
76592	Daniel Hughes	858-707-4000
76821	Charles Choi	718-807-5825
77014	Justin Culbertson	202-640-6400
77396	Paige Radtke	949-760-0404
77474	Alistair Mcintyre	858-707-4102
77499	Samuel Cockriel	949-760-0404
77806	Nathan Reeves	206-405-2000
77839	Zachary Messick	858-707-4000
78415	Rhett Ramsey	949-721-2932
78566	Douglas Crandell	858-707-4253
78620	Brian Flynn	858-707-4187
78677	Kurt Jacobs	949-721-2994
79031	Christopher Lewis	202-640-6433
79046	Xiaoyan Wang	949-760-0404
79108	Lindsay Laddaran	949-721-2893
79142	Paige Cappelli	202-640-6409
79146	Serah Friedman	310-825-1097
79242	Joshua Martineau	212-849-3000
79325	Luke Holbrook	949-721-2929
79474	Yi-Ju Chen	858-707-4000
79477	Ryan Newell	949-760-0404
79610	Jose Martin Del Campo	949-721-5340
79631	Daniel Kiang	949-760-0404
79683	Eric Abada	415-217-3515
79744	Erin Cardinal	202-640-6417
79750	Daniel Mittelstein	949-760-0404
79783	Janet Allendorph	858-707-4000
79806	Charles Sirek	949-760-0404
800049	Po-An Chen	949-721-2835
800099	Jae Jin Lee	212-849-3022
800104	Rory Lootsma	949-760-0404
800106	Baiyu Zhu	215-268-3871
800110	Geetha Durairaj	949-760-0404
80143	Tomohisa Fujiwara	858-707-4210
80189	Michael Salamy	858-225-3683
80326	Ashley Morales	858-707-4022
80584	Zachary Grinovich	949-760-0404
80623	Gregory Munchinsky	858-707-4000
80915	Susan Janicki	946-760-0404
80919	Emmett Litvak	91-124-280-6101
81154	Dylan Kramer	949-721-7679
81223	Phillip Minnick	858-707-4000
81514	Ryan Freedman	516-307-6947
81554	Harper Beasley	858-707-4014
81694	Oren Rosenberg	949-721-2928
81756	Sophia Zahn	914-792-8066
81888	Justin Theam	949-760-0404
81919	Richard Witas	120-264-06415
82102	Jordan Deorio	949-721-2840
82117	Purna Chandrasekhar	908-391-4940
82306	Kathryn Mccarthy	949-760-0404
82380	Arash Pia	949-721-5276
82485	Mason Whisnant	212-849-3060
82505	James Raleigh	121-284-93063
82574	Bailey Arenberg	949-760-0404
82614	Zachary Greenberg	347-266-1025
82708	Jaeyoung Choi	949-721-2810
82852	Jacob Etling	724-757-6817
82890	Ningxi Sun	858-707-4110
82901	Cesar Estrada	949-760-0404
82924	Matthew Whitehead	206-405-2041
83014	Shawn Hickey	206-405-2000
83062	Sashank Krothapally	415-217-8380
83091	Shloka Raghavan	858-707-4000
83096	Kelsey Weinman	949-760-0404
83166	Raymond Lu	969-760-2852
83383	Jamal Perry	212-849-3030
L1081	Stacy Rush	646-575-6066

Proceeding Documents

Notice: refund approved NOTICE

2026-03-10 FILING PARTY: BOARD

Download

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

2026-03-02 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2025-07-16 FILING PARTY: BOARD

Download

3103

Ex. 3103 Exhibit

2025-07-09 FILING PARTY: BOARD

Download

Petitioner's Sur-Reply Brief on Discretionary Denial OTHER

2025-07-03 FILING PARTY: PETITIONER

Download

Sandisk Technologies, Inc. et al. vs. Polaris PowerLED Technologies, LLC

Proceeding Overview

Parties & Counsel

Petitioner

Sandisk Technologies, Inc. et al.

Represented By

Patent Owner / Respondent

Polaris PowerLED Technologies, 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 Fee OTHER

Director Discretionary Decision: Deny RESPONSE

Ex. 3103 Exhibit

Petitioner's Sur-Reply Brief on Discretionary Denial OTHER

Ex. 3102 Exhibit

Patent Owner's Discretionary Denial Reply Brief OTHER

Ex. 3101 Exhibit

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

Ex.1037 - Polaris WDTX Complaint for Patent Infringement 2024-01-30 Exhibit

Ex.1025 - '085 Patent Assignment Recordation Exhibit

Ex.1023 - PTAB Judges Told To Get Ready For Layoffs - Law360 Exhibit

Ex.1026 - Polaris Infringement Contentions Cover Pleading - 10-02-2024 Exhibit

Ex.1040 - Chief Patent Board Judge Waves Off Workforce Attrition Concerns Exhibit

Ex.1022 - 2025-04-28 - WD - Notice of Sotera Stipulations Exhibit

Ex.1036 - Order Granting WD's Motion to Stay (06-23-25) Exhibit

Ex.1038 - Western Digital Form 10-K Exhibit

Ex.1024 - FAQs for Interim Processes (captured 5.13.25) Exhibit

Ex.1041 - Perryman Inter Partes Review Impact 1 27 2021 Exhibit

Patent Owner's Preliminary Response POPR

E-mail regarding due dates Exhibit

EX2002 - List of Docket Entries, Polaris v. WDC, 2-24-cv-02864 (C.D. Cal.) Exhibit

EX2010 - Protective Order - CDCA-2-24-cv-02864-61 Exhibit

EX2012 - fy25_ptab_appeal_statistics_2025march Exhibit

EX2003 - List of Docket Entries, Micron v. Polaris, 1-25-cv-00073 (D. Idaho) Exhibit

EX2009 - Exhibit C - Terms for Construction - CDCA-2-24-cv-02864-60-4 Exhibit

EX2013 - Patent Trial and Appeal Board (PTAB) Dashboard _ USPTO Exhibit

EX2004 - Scheduling Order - CDCA-2-24-cv-02864-54 Exhibit

EX2008 - Exhibit B - Initial Invalidity Contentions - CDCA-2-24-cv-02864-60-3 Exhibit

EX2006 - Minute Order for Contentions - CDCA-2-24-cv-02864-59 Exhibit

EX2007 - Opposition to Motion to Stay - CDCA-2-24-cv-02864-60 Exhibit

EX2017 - 2025-04-18 - WD - Proposed Claim Terms for Construction18 Exhibit

EX2001 - List of Docket Entries, Polaris v. WDC, 1-24-cv-00101 (W.D. Tex.) Exhibit

EX2014 - Sandisk Celebrates Nasdaq Listing After Completing Separation _ Sandisk Exhibit

EX2016 - US9411669 Exhibit

Patent Owner's Updated Mandatory Notices NOTICE

EX2011 - Reply for Motion to Stay - CDCA-2-24-cv-02864-62 Exhibit

Patent Owner's Brief on Discretionary Denial RESPONSE

EX2005 - Motion to Stay - CDCA-2-24-cv-02864-58 Exhibit

EX2015 - 66785_14483915 Exhibit

Notice: Extending Deadline for Discretion Briefing NOTICE

Notice: Notice filing date accorded NOTICE

Notice: Notice filing date accorded NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Ex.1015 - Complaint Exhibit

Petitioner's Power of Attorney '085 - Western Digital NOTICE

Ex.1002 - Prosecution History of U.S. App. No. 13-477,600 Exhibit

Ex.1012 - Hu et al - Performance Impact & Interplay of SSD Parallelism Exhibit

Ex.1009 - SSD Requirements & Endurance Test, JESD218 Exhibit

Ex.1014 - Flash Management_Why & How - SMARTM Exhibit

Ex.1007 - US8176360 - Frost et al Exhibit

Ex.1004 - CV of Dr. Lara Dolecek Exhibit

IPR Petition - '085 PETITION

Ex.1011 - US8042029 - Alrod et al Exhibit

Ex.1017-Interim Proc for Discretionary Denials in AIA Parallel Dist Ct Lit Exhibit

Ex.1010 - US7823043 - Lasser Exhibit

Ex.1005 - US Pub. 20140136927 - Li et al Exhibit

Ex.1016 - District Court Stats 9.30.2024 Exhibit

Ex.1006 - US9037951 - Cideciyan et al Exhibit

Petitioner's Power of Attorney - '085 - Sandisk Technologies NOTICE

Ex.1001 - US9183085 - May 12 2012 Exhibit

Ex.1018 - Solid-State-Drives-101 Exhibit

Ex.1019 - Product Code Shemes for Error Correction in MLC - Yang et al Exhibit

Ex.1020 - Error Control Coding Fundamentals & Application - Lin et al Exhibit