Klein Tools, Inc. et al. vs. Milwaukee Electric Tool Corporation

Explore the PTAB proceeding IPR2026-00246 filed by Klein Tools, Inc. et al. on 2026-01-30. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00246

Filing Date

2026-01-30

Accorded Filing Date

2026-01-30

Institution Decision Date

2026-07-06

Last Modified Date

2026-08-06

Proceeding Type

IPR

Termination Date

2026-07-06

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Klein Tools, Inc. et al.

Represented By

BAKER, WILBUR

Patent Owner / Respondent

Milwaukee Electric Tool Corporation

Represented By

Bregman, Dionet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 3700 - Mechanical Engineering & Manufacturing

Patent Information

1 Patent Involved

Respondent Application Number 18356881

Respondent Patent Number 11857064

External Links

Espacenet

Google Patents

Respondent Inventor Aaron S. Blumenthal et al

Respondent Tech Center TC 3700 - Mechanical Engineering & Manufacturing

Address and Attorney/Agent Information

19 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Reinhart (Milwaukee Tool) - ATTN: TRAVIS MCDONNELL, PARALEGAL

Customer Number 142078

Address 1000 NORTH WATER STREET, SUITE 2100, MILWAUKEE, WI, 53202, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
30662	Leslie Miller	414-298-8321
32505	James Morrow	414-298-8136
37390	Jeffery Makeever	815-633-5300
43666	Andrew Heinisch	815-633-5300
48557	Craig Loest	920-457-4441
52630	Gregory Bollis	2155683439
59712	Joel Austin	262-951-4525
61423	Jeremy Bridge	815-633-5300
61578	Shane Gerstl	262-790-6435
62025	James Borchardt	414-298-8160
62506	Gordon Wright	815-633-5300
63576	Alec Smyczek	800-729-3878
67277	Natalie Kaplan	262-923-9286
70492	Timothy Naill	815-633-5300
70608	Derek Campbell	414-298-1000
70805	John Kale	815-654-5634
79460	Christine Mclinn	414-298-8367
81203	Reagan Joy	240-446-0200
82925	Lauren Backhaus	414-298-8979

Proceeding Documents

Director Discretionary Decision: Deny RESPONSE

2026-07-06 FILING PARTY: BOARD

Download

Patent Owner's Sur-Reply in Support of Request for Discretionary Denial OTHER

2026-06-01 FILING PARTY: PATENT OWNER

Download

1032

Ex1032 - EXCERPTED_Appx. B-2 (064) Exhibit

2026-05-26 FILING PARTY: PETITIONER

Download

Petitioner's Reply in Support of Opposition to Patent Owner's Request for Discretionary Denial OTHER

2026-05-26 FILING PARTY: PETITIONER

Download

1031

Ex1031 - DKT078 - PUBLIC Klein Opposition MTD Exhibit

2026-05-26 FILING PARTY: PETITIONER

Download

Klein Tools, Inc. et al. vs. Milwaukee Electric Tool Corporation

Proceeding Overview

Parties & Counsel

Petitioner

Klein Tools, Inc. et al.

Represented By

Patent Owner / Respondent

Milwaukee Electric Tool Corporation

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Director Discretionary Decision: Deny RESPONSE

Patent Owner's Sur-Reply in Support of Request for Discretionary Denial OTHER

Ex1032 - EXCERPTED_Appx. B-2 (064) Exhibit

Petitioner's Reply in Support of Opposition to Patent Owner's Request for Discretionary Denial OTHER

Ex1031 - DKT078 - PUBLIC Klein Opposition MTD Exhibit

Ex1033 - EXCERPTED_Appx. B-1 (064) Exhibit

Email Correspondence Exhibit

Patent Owner's Preliminary Response to Petition POPR

Dkt. 70, Plaintiff’s Opposed Motion for Voluntary Dismissal of Plaintiff’s First Amended Complaint Without Prejudice and Dismissal of Defendant’s Counterclaims Without Prejudice in Milwaukee Electric Tools Corporation v. Klein Tools, Inc., No. 1:25-cv-04689 (N.D. Ill.). Exhibit

Case Study: Milwaukee Tool, Tariff Integrity, https://www.tariffintegrity.org/tti/milwaukeetool Exhibit

March 6, 2026 Response Letter from J. White to R. Kane in Milwaukee Electric Tools Corporation v. Klein Tools, Inc., No. 1:25-cv-04689 (N.D. Ill.) Exhibit

American Manufacturing, Klein Tools, https://www.kleintools.com/content/american-manufacturing Exhibit

Dkt. 76, Minute Entry Assigning Case Back to District Judge in Milwaukee Electric Tools Corporation v. Klein Tools, Inc., No. 1:25-cv-04689 (N.D. Ill.). Exhibit

Opposition to Patent Owner's Request for Discretionary Denial RESPONSE

Chinese-owned power tool company based in Wisconsin targeted by Trump administration for tariff evasion, Washington Examiner (February 12, 2026) Exhibit

Techtronic Industries 2025 Annual Report (excerpted) Exhibit

Dkt. 68, Joint Status Report in Milwaukee Electric Tools Corporation v. Klein Tools, Inc., No. 1:25-cv-04689 (N.D. Ill.). Exhibit

Exhibit 2007 Exhibit

Exhibit 2003 Exhibit

Exhibit 2006 Exhibit

Exhibit 2005 Exhibit

Exhibit 2004 Exhibit

Patent Owner's Discretionary Denial Brief for Inter Partes Review of U.S. Patent No. 11,857,064 RESPONSE

Ex-1020 Declaration Exhibit

N. DeLucia PHV Notice NOTICE

Ex1021 Declaration Exhibit

Kane PHV Notice NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

Ex1019 - Merriam-Webster Dictionary def. tool 2019 Exhibit

Ex1005 - DE9308896U1 Exhibit

Ex1010 - AT388448B (Glock) Exhibit

Ex1009 - US8919622 Exhibit

Ex1004 - Giachetti CV Exhibit

Ex1008 - US20050263552A1-Panosian Exhibit

Ex1013 - US11304503FH Exhibit

Ex1012 - US20160356304A1-Roberts Exhibit

Ex1016 - DKT030 - Minute Entry re Case Assigned to Magistrate Judge Exhibit

Ex1002 - US11857064 FH Exhibit

Ex1017 - DKT042 - Minute Entry re Joint Agreed MTE Certain Deadlines Exhibit

Ex1006 - DE_9308896_U1_EN-Albrecht Exhibit

Petition: as filed PETITION

Ex1015 - DKT028 - Report of the Parties' Planning Meeting Exhibit

Ex1018 - DKT053 - Joint Motion to Extend Certain Deadlines Exhibit

Ex1007 - D&D Group Pty. Ltd. v. Nationwide Industries Exhibit

Ex1003 - Giachetti Decl Exhibit

Ex1001 - US11857064 Patent Exhibit

Ex1014 - USRE47477-Vaughan Exhibit

Ex1011 - AT388448B (Glock)_EN Exhibit

Notice: Power of Attorney NOTICE