REC Solar Holdings AS et al. vs. Maxeon Solar PTE. Ltd.

Explore the PTAB proceeding IPR2025-00593 filed by REC Solar Holdings AS et al. on 2025-02-14. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00593

Filing Date

2025-02-14

Accorded Filing Date

2025-02-14

Institution Decision Date

2025-08-14

Last Modified Date

2025-09-14

Proceeding Type

IPR

Termination Date

2025-08-14

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

REC Solar Holdings AS et al.

Represented By

Goldberg, Joshuaet al

Patent Owner / Respondent

Maxeon Solar PTE. Ltd.

Represented By

Peterson, Jeremyet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 1700 - Chemical & Materials Engineering

Patent Information

1 Patent Involved

Respondent Application Number 13495577

Respondent Patent Number 8878053

External Links

Espacenet

Google Patents

Respondent Inventor Peter John COUSINS

Respondent Tech Center TC 1700 - Chemical & Materials Engineering

Address and Attorney/Agent Information

7 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Schmidt Patent Law, Inc.

Customer Number 188295

Address 2635 N. First Street, Suite 150, San Jose, CA, 95134-2000, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
40310	David Alavi	541-686-9462
46484	Signe Holmbeck	408-331-1674
47063	Mark Schmidt	408-331-2329
59276	Marc Robinson	555-555-5555
62083	Herbert Patty	408-886-5109
72360	Jackson Ho	408-331-1671
74527	Alexander Shei	408-228-4524

Proceeding Documents

Notice: refund approved NOTICE

2025-09-02 FILING PARTY: BOARD

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

2025-08-28 FILING PARTY: PETITIONER

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Director Discretionary Decision: Deny RESPONSE

2025-08-14 FILING PARTY: BOARD

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PO's Request for Discretionary Denial RESPONSE

2025-06-17 FILING PARTY: PATENT OWNER

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2003

Maxeon v REC Solar, Def's Invalidity Contentions Exhibit

2025-06-17 FILING PARTY: PATENT OWNER

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REC Solar Holdings AS et al. vs. Maxeon Solar PTE. Ltd.

Proceeding Overview

Parties & Counsel

Petitioner

REC Solar Holdings AS et al.

Represented By

Patent Owner / Respondent

Maxeon Solar PTE. Ltd.

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

PO's Request for Discretionary Denial RESPONSE

Maxeon v REC Solar, Def's Invalidity Contentions Exhibit

Maxeon v CSI, Docket Control Order Exhibit

Maxeon v REC Solar, Docket Control Order Exhibit

Maxeon v REC Solar, Complaint Exhibit

US Courts Statistics Exhibit

Notice: Notice filing date accorded NOTICE

Maxeon_v_REC-IPR2025-00593_Power_of_Attorney NOTICE

Maxeon_v_REC-IPR2025-00593_Mandatory_Notices NOTICE

Jorgensen, IEEE Xplore Jorgensen Entry (Aug 6, 2002) Exhibit

Borden, WO2009094578 (July 30, 2009) Exhibit

Lindholm, Heavily Doped Polysilicon-Contact Solar Cells (July, 1985) Exhibit

Petition for Inter Partes Review of U.S. Patent No. 8,878,053 PETITION

Director Memo (June 21, 2022) Exhibit

Nolan (2000) Exhibit

Banerjee, Declaration of Sanjay Banerjee (June 13, 2012) Exhibit

Murarka, Electronic Materials Science and Technology (1989) Exhibit

Kwark, IEEE Xplore Kwark Entry (Aug 9, 2005) Exhibit

Rohatgi (May, 2000) Exhibit

Hartiti, IEEE Xplore Hartiti Entry (Aug 6, 2002) Exhibit

Doshi (Sept, 1997) Exhibit

Kwark, OSTI Kwark Entry (Feb 1, 1986) Exhibit

Petitioner's Unopposed Motion for Joinder MOTION

Gan, Polysilicon Emitters for Silicon Concentrator Solar Cells (May, 1990) Exhibit

Cousins, US 8,878,053 (Nov 4, 2014) Exhibit

Kass, Fintiv Fails PTAB Uses Remarkably Inaccurate Trial Dates, Nov 2, 2021 Exhibit

Harmel, US 5,661,079 (Aug 26, 1997) Exhibit

Froitzheim, EP1732142 A1 (Dec 13, 2006) Exhibit

Hartiti (Dec 5, 1994) Exhibit

DocketNavigator Report Exhibit

Luque, Handbook of Photovoltaic Science and Engineering (2003)_Part 3 of 3 Exhibit

Duerinckx (2002) Exhibit

Smith, US 6,988,288 (Feb 14, 2006) Exhibit

Borden, US Provisional Appl 61023342 Exhibit

International Search Report of PCT Pub 02103810A1 (Dec 27, 2002) Exhibit

Patents Maxeon Solar Technologies Exhibit

Feldman (Sep 30, 2013) Exhibit

Hall-Ellis, Sylvia Hall-Ellis CV Exhibit

Lemiti, IEEE Xplore Lemiti Entry (Aug 6, 2002) Exhibit

Gan, IEEE Xplore Gan Entry (Aug 6, 2002) Exhibit

Tillis, Letter from Senator Thom Tillis to Andrew Hirshfeld (Nov 2, 2021) Exhibit

Kwark, SIPOS Heterojunction Contacts to Silicon (1984) Exhibit

Jorgensen (1997) Exhibit

Banerjee, Senjay Banerjee CV Exhibit

Foglietti, US Patent 20020142500 (Oct 3, 2002) Exhibit

Doshi (Aug, 1998) Exhibit

Luque, Handbook of Photovoltaic Science and Engineering (2003)_Part 2 of 3 Exhibit

Green (1993) Exhibit

Swanson, US 5,057,439 (Oct 15, 1991) Exhibit

Corrected Declaration of Sylvia Hall-Ellis Exhibit

SunPower Virtual Patent Marketing Exhibit

Sivoththaman, IEEE Xplore Sivoththaman Entry (Aug 6, 2002) Exhibit

Yablonovitch, A Study of n+-SIPOAp-Si Heterojunction Emitters (Nov, 1985) Exhibit

Sivohthaman (May 13, 1996) Exhibit

Cousins, FH of US 14504771 Exhibit

Cousins, FH of US 16460035 Exhibit

Patent Assignment (Dec 14, 2022) Exhibit

SunPower Maxeon Solar Panels Exhibit

Doshi, IEEE Xplore Doshi Entry (Aug, 1998) Exhibit

Meier, US 6,262,359 (July 17, 2001) Exhibit

Cousins, FH of US 8,878,053 Exhibit

Power of Attorney for Petitioner REC Solar Holdings AS NOTICE