Samsung Electronics Co., Ltd. et al. vs. Whirlpool Corporation

Explore the PTAB proceeding IPR2026-00336 filed by Samsung Electronics Co., Ltd. et al. on 2026-04-13. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00336

Filing Date

2026-04-13

Accorded Filing Date

2026-04-13

Institution Decision Date

2026-09-23

Last Modified Date

2026-09-25

Proceeding Type

IPR

Termination Date

—

Trial Status

Trial Instituted

Parties & Counsel

Petitioner

Samsung Electronics Co., Ltd. et al.

Represented By

HABER, BENJAMINet al

Patent Owner / Respondent

Whirlpool Corporation

Represented By

Heim, Michaelet 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 18535327

Respondent Patent Number 12232681

External Links

Espacenet

Google Patents

Respondent Inventor Mark S. Feddema et al

Respondent Tech Center TC 1700 - Chemical & Materials Engineering

Address and Attorney/Agent Information

23 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name PRICE HENEVELD LLP - WHIRLPOOL CORPORATION - MD 3601

Customer Number 130333

Address 2000 NORTH M63, BENTON HARBOR, MI, 49022, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
34559	Terry Callaghan	616-949-9610
35727	Steven Underwood	616-949-9610
41883	Jeffrey Kapteyn	616-949-9610
45631	Matthew Gipson	616-949-9610
45808	Brian Ainsworth	616-949-9610
56908	Michael Lafrenz	269-923-7441
57110	Michael Hages	616-949-9610
57937	Jason Budd	616-949-9610
58329	Brian Cheslek	616-949-9610
61871	Aaron Wong	616-949-9610
63220	Matthew Stark	616-949-9610
64858	Jacquelyn Lin	269-923-8439
72099	Nathan Davis	979-587-2200
72413	Pervin Taleyarkhan	269-923-4410
73644	Christopher Gerardot	312-840-3268
73871	Daniel Hoovler	616-949-9610
75539	Caitlyn Silverblatt	616-949-9610
77154	Bryce Whitworth	618-616-1473
77767	Alannah Witham	616-949-9610
78658	Jonathan Easter	312-832-4527
78812	Russell Franks	248-513-7079
82590	Collin Kerkstra	616-617-1524
83422	Christopher Addonizio	616-949-9610

Proceeding Documents

Institution Decision: Grant DECISION

2026-09-23 FILING PARTY: BOARD

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Director Discretionary Decision: Refer RESPONSE

2026-08-13 FILING PARTY: BOARD

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Petitioner’s Sur-reply in Opposition to Patent Owner’s Request for Discretionary Denial of Institution OTHER

2026-07-31 FILING PARTY: PETITIONER

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2025

EX2025 - Petitioner’s Stipulation, Tesla, Inc. v. Bulletproof Property Management, LLC, IPR2026-00204, Exhibit 1102 (P.T.A.B. Mar. 20, 2026) Exhibit

2026-07-28 FILING PARTY: PATENT OWNER

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2022

EX2022 - USPN 12,642,422 Exhibit

2026-07-28 FILING PARTY: PATENT OWNER

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Samsung Electronics Co., Ltd. et al. vs. Whirlpool Corporation

Proceeding Overview

Parties & Counsel

Petitioner

Samsung Electronics Co., Ltd. et al.

Represented By

Patent Owner / Respondent

Whirlpool Corporation

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

Petitioner’s Sur-reply in Opposition to Patent Owner’s Request for Discretionary Denial of Institution OTHER

EX2025 - Petitioner’s Stipulation, Tesla, Inc. v. Bulletproof Property Management, LLC, IPR2026-00204, Exhibit 1102 (P.T.A.B. Mar. 20, 2026) Exhibit

EX2022 - USPN 12,642,422 Exhibit

EX2024 - Order Granting Leave to File Second Amended Complaint, Whirlpool Corporation v. Samsung Electronics Co., Ltd. et al., No. 2:25-cv-01042, Dkt. No. 90, filed July 1, 2026 (E.D. Tex.) Exhibit

EX2023 - Second Amended Complaint for Patent Infringement, Whirlpool Corporation v. Samsung Electronics Co., Ltd. et al., No. 2:25-cv-01042, Dkt. No. 88, filed June 26, 2026 (E.D. Tex.) Exhibit

Patent Owner's Reply in Support of its Discretionary Denial Briefing OTHER

Email Correspondence Exhibit

Patent Owner's Preliminary Response POPR

EX2020 - Samsung, Bespoke AI Smart Dishwasher, https://www.samsung.com/us/dishwashers/freestanding/38-dba-bespoke-auto-open-door-dish Exhibit

EX2019 - Declaration of Dr. Emad Tanbour, Whirlpool Corporation v. Samsung Electronics Co., Ltd. et al., No. 2:25-cv-01042, Dkt. No. 65-6, filed May 5, 2026 (E.D. Tex.) (signed Oct. 10, 2025) Exhibit

EX2021 - Curriculum Vitae of Dr. Emad Tanbour Exhibit

EX2017 - Declaration of Dr. Emad Tanbour Exhibit

EX2018 - USPN 12,232,681 (with certificate of correction) Exhibit

Docket Control Order, Dkt. 78, Whirlpool Corp. v. Samsung Elecs. Co., Ltd., No. 25-cv-01042-JRG-RSP (June 12, 2026) Exhibit

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

Letter to M. Heim from B. Haber, dated June 18, 2026 (’681 Patent Stipulation Letter) Exhibit

Plaintiff’s Unopposed Motion for Leave to File Second Amended Complaint, Dkt. 87, Whirlpool Corp. v. Samsung Elecs. Co., Ltd., No. 25-cv-01042-JRG-RSP (Jan. 16, 2026) Exhibit

DECLARATION OF WILLIAM B. COLLIER, JR. IN SUPPORT OF PATENT OWNER’S NOTICE OF INTENT TO DESIGNATE PROVISIONALLY RECOGNIZED ATTORNEY WILLIAM B. COLLIER, JR. AS BACK-UP COUNSEL Exhibit

PATENT OWNER’S NOTICE OF INTENT TO DESIGNATE PROVISIONALLY RECOGNIZED PTAB ATTORNEY WILLIAM B. COLLIER, JR. AS BACKUP COUNSEL NOTICE

EX2011 Exhibit

EX2012 Exhibit

EX2010 Exhibit

EX2003 Exhibit

EX2015 Exhibit

EX2001 Exhibit

EX2005 Exhibit

EX2014 Exhibit

EX2004 Exhibit

EX2007 Exhibit

EX2006 Exhibit

EX2002 Exhibit

EX2009 Exhibit

EX2013 Exhibit

PO Discretionary Denial Brief RESPONSE

EX2008 Exhibit

Patent Owner Power of Attorney NOTICE

Patent Owner Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

D.E. Patent No. 6810173 (“Bosch”) (Certified English Translation) Exhibit

U.S. Patent No. 12,232,681 (“the ’681 Patent”) Exhibit

U.S. Patent No. 6,869,029 B2 (“Ochoa”) Exhibit

U.S. Patent Application Publication No. 2015/0053238 A1 (“Lee”) Exhibit

U.S. Patent Application Publication No. 2013/0002107 A1 (“Paschini”) Exhibit

U.S. Patent No. 10,045,681 B2 (“Schessl”) Exhibit

U.S. Patent No. 10,602,910 B2 (“Gutkowski”) Exhibit

U.S. Patent No. 3,044,842 (“Abresch”) Exhibit

Prosecution History of U.S. Patent No. 12,232,681 Exhibit

U.S. Patent Application Publication No. 2015/0320290 A1 (“Hederstierna”) Exhibit

Declaration of Dr. Kimberly K. Cameron Exhibit

D.E. Patent No. 6810173 (“Bosch”) Exhibit

E.P. Patent No. 2368479 (“Fumagalli”) Exhibit

Curriculum Vitae of Dr. Kimberly K. Cameron Exhibit

Tanbour Reply Decl. to Cameron Decl. Re Non-Infringement & Invalidity Exhibit

U.S. Patent No. 5,332,105 (“Standfield”) Exhibit

U.S. Patent No. 51,000 (“Alexander”) Exhibit

Samsung Electronics America, Inc.’s Power of Attorney NOTICE

U.S. Patent No. 9,445,703 B2 (“Heidel”) Exhibit

U.S. Patent No. 2,648,588 (“Ruspino”) Exhibit

U.S. Patent No. 2,910,207 (“Andrew”) Exhibit

U.S. Patent Application Publication No. 2008/0169009 A1 (“Mailander”) Exhibit

U.S. Patent No. 355,139 (“Cochrane”) Exhibit

U.S. Patent No. 2,745,707 (“Sebens”) Exhibit

U.S. Patent Application Publication No. 2006/0127051 A1 (“Tsumagari”) Exhibit