Canadian Solar Inc. et al. vs. Maxeon Solar Pte. Ltd.

Explore the PTAB proceeding IPR2024-01194 filed by Canadian Solar Inc. et al. on 2024-07-19. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2024-01194

Filing Date

2024-07-19

Accorded Filing Date

2024-07-19

Institution Decision Date

2025-01-24

Last Modified Date

2026-03-27

Proceeding Type

IPR

Termination Date

2026-01-12

Trial Status

Final Written Decision

Parties & Counsel

Petitioner

Canadian Solar Inc. et al.

Represented By

Tiu, Samuelet al

Patent Owner / Respondent

Maxeon Solar Pte. Ltd.

Represented By

Snodgrass, Jacobet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2800 - Semiconductors, Electrical & Optical Systems

Patent Information

1 Patent Involved

Respondent Application Number 16877255

Respondent Patent Number 11251315

External Links

Espacenet

Google Patents

Respondent Inventor David D. Smith et al

Respondent Tech Center TC 2800 - Semiconductors, Electrical & Optical Systems

Address and Attorney/Agent Information

13 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Schwabe Williamson & Wyatt/Maxeon - PACWEST CENTER, SUITE 1800

Customer Number —

Address 1211 SW FIFTH AVENUE, PORTLAND, OR, 97204, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
35934	Michael Bernadicou	503-222-9981
38329	Stephen Sullivan	503-222-9981
38494	Ralph Hoppin	650-396-1408
42444	Graciela Cowger	360-694-7551
43184	Lance Termes	541-749-4044
45023	Steven Prewitt	503-796-2844
54630	Michael Cofield	503-796-2086
59276	Marc Robinson	555-555-5555
61080	Justin Brask	503-796-2462
62083	Herbert Patty	408-886-5109
68748	Eric Blank	415-715-4519
73446	Xiongying Tu	612-401-2690
79168	Ann Bernert	503-595-5300

Proceeding Documents

101

Final Written Decision: original FINAL

2026-01-12 FILING PARTY: BOARD

Download

General Order: Related Matters Updates ORDER

2025-09-20 FILING PARTY: BOARD

Download

Panel Change NOTICE

2025-05-23 FILING PARTY: BOARD

Download

Order: Consolidation Order ORDER

2025-03-07 FILING PARTY: BOARD

Download

3001

Ex. 3001 Attorney Correspondence Exhibit

2025-03-07 FILING PARTY: BOARD

Download

Canadian Solar Inc. et al. vs. Maxeon Solar Pte. Ltd.

Proceeding Overview

Parties & Counsel

Petitioner

Canadian Solar Inc. 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

Final Written Decision: original FINAL

General Order: Related Matters Updates ORDER

Panel Change NOTICE

Order: Consolidation Order ORDER

Ex. 3001 Attorney Correspondence Exhibit

Patent Owner's Notice of Deposition of Sanjay Banerjee, Ph.D. NOTICE

Patent Owner's Updated POA NOTICE

Patent Owner's Updated Mandatory Notices NOTICE

ORDER Conditionally Granting Patent Owner’s Motions to Withdraw and Substitute Counsel 37 C.F.R. § 42.10 ORDER

Patent Owner's Notice of Objs to Evidence NOTICE

Patent Owner's Unopposed Motion to Withdraw and Substitute Counsel Under 37 C.F.R. 11.116 MOTION

Patent Owner's Updated Mandatory Notices NOTICE

Patent Owner's Updated Power of Attorney NOTICE

Order: Scheduling Order ORDER

Institution Decision: Grant DECISION

Patent Owner's Preliminary Sur-Reply OTHER

Petitioner's Updated Exhibit List NOTICE

Petitioner's Reply to Patent Owner's Prelim Response NOTICE

Maxeon's Disclosure of Asserted Claims and Infringement Contentions Exhibit

Patent Rules_EDTX_US Dist Ct Exhibit

EX2015 - Granek 2007 Exhibit

EX2016 - EarthSky - Nanotechnology improves solar cell efficiency Exhibit

EX2007 - Order Denying Maxeon Partial Motion to Dismiss Exhibit

Patent Owner's Preliminary Response POPR

EX2017 - ScienceDaily - New Plastic Solar Cell Breaks Efficiency Record Exhibit

EX2001 - Carroll Declaration Exhibit

EX2018 - Winston-Salem Journal Exhibit

EX2006 – Federal Court Management Statistics (June 30, 2024) Exhibit

EX2008 - Docket Control Order Exhibit

EX2009 - Canadian Solar's Invalidity Contentions Exhibit

EX2004 - Docket Navigator Search (Motions to Stay) Exhibit

EX2005 - Docket Navigator Search (Non-Stipulated Motions to Stay) Exhibit

Patent Owner's Updated Power of Attorney NOTICE

Patent Owner's Updated Mandatory Notices NOTICE

Notice : Patent Owner's Power of Attorney NOTICE

Notice : Patent Owner's Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

Fintiv Study Exhibit

High-Throughput Ion-Implantation for Low-Cost High Efficiency Silicon Solar Exhibit

Ramappa and Benley, “Diffusion of Iron in Silicon Dioxide" (1999) Exhibit

Science Direct Liou Entry Exhibit

Marvin, Interdigitated Back Contact Silicon Solar Cell Analysis Exhibit

U.S. Patent No. 4,234,352 (“Swanson-352”) Exhibit

U.S. Patent Pub. No. 2010/0105190 A1 (“Tomas”) Exhibit

IEEE Xplore Mutoh Entry Exhibit

Analysis of Interdigitated Back Contact Silicon Solar Cells for Space Use Exhibit

Phosphorus Direct Doping from Vapor Phase into Silicon for Shallow Junction Exhibit

Effective impurity gettering by phosphorus- and boron-diffused polysilicon Exhibit

Semantic Scholar Ferre Entry Exhibit

Birkmire et al., “Harnessing the Sun with Thin-Film Photovoltaics” (1990) Exhibit

NTIS Signed Attestation (“ADA220414”) Exhibit

IEEE Xplore Yang Entry Exhibit

Science Direct Bentzen Entry Exhibit

IEEE Xplore Slaoui Entry Exhibit

Curriculum Vitae of Sanjay Banerjee, Ph.D. Exhibit

Petition for Inter Partes Review of U.S. Patent No. 11,251,315 PETITION

U.S. Patent No. 11,251,315 ("'315 Patent") Exhibit

Luque and Hegedus, Handbook of Photovoltaic Science and Engineering Exhibit

IEEE Xplore Cho Entry Exhibit

2013 Renewable Energy Data Book, U.S. Department of Energy (“REDB-2013”) Exhibit

Seibt, Gettering in silicon photovoltaics (2006) ("Seibt") Exhibit

Senator Tillis Letter Exhibit

U.S. Patent Pub. No. 2011/0214719 ("Li") Exhibit

IEEE Xplore Holt Entry Exhibit

Simultaneous gettering and emitter formation in multicrystalline-Si wafers Exhibit