ToughBuilt Industries, Inc. vs. Meridian International Co. Ltd.

Explore the PTAB proceeding IPR2025-01462 filed by ToughBuilt Industries, Inc. on 2025-08-28. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01462

Filing Date

2025-08-28

Accorded Filing Date

2025-08-28

Institution Decision Date

2026-02-10

Last Modified Date

2026-09-08

Proceeding Type

IPR

Termination Date

—

Trial Status

Trial Instituted

Parties & Counsel

Petitioner

ToughBuilt Industries, Inc.

Represented By

Bemben, Richardet al

Patent Owner / Respondent

Meridian International Co. Ltd.

Represented By

HALSEY, ANNAet 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 16846878

Respondent Patent Number 11192689

External Links

Espacenet

Google Patents

Respondent Inventor Shujun CAI

Respondent Tech Center TC 3700 - Mechanical Engineering & Manufacturing

Address and Attorney/Agent Information

21 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name EVERSHEDS SUTHERLAND (US) LLP

Customer Number 29052

Address 600 Peachtree St NE, Suite 5200, ATLANTA, GA, 30308, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
33205	Peter Pappas	404-853-8000
34272	Daniel Warren	404-853-8028
34408	Nicola Pisano	858-252-2952
36714	William Warren	404-853-8000
38899	Malvern Griffin Iii	404-853-8233
42737	Kevin King	404-853-8068
52362	David Wigley	404-853-8072
58430	Regis Worley Jr.	858-252-6458
64504	Joshua Aronson	404-853-8000
64544	Jeremy Spier	404-853-8926
65622	Erik Smith	415-577-8801
67307	Umar Bakhsh	404-853-8084
68304	Nash Zogaib	512-721-2674
72839	Joshua Branson	512-721-2700
74749	Timothy Chou	404-853-8160
76993	Chancellor Shafor	404-853-8239
77242	Joel Bradley	770-686-2949
79726	Lindsay Kriz	404-853-8323
81191	John Mosley	858-769-3081
81473	Michael Behlen	415-580-6131
82298	Emma Hawley	920-366-4936

Proceeding Documents

107

2023

Exhibit 2023 - Declaration of Glenn E. Vallee, Ph.D., P.E. Exhibit

2026-09-08 FILING PARTY: PATENT OWNER

Download

Patent Owner's Revised Contingent Motion to Amend MOTION

2026-09-08 FILING PARTY: PATENT OWNER

Download

Patent Owner's Sur-Reply RESPONSE

2026-09-08 FILING PARTY: PATENT OWNER

Download

2021

Exhibit 2021 - July 16, 2026 Email Exhibit

2026-08-31 FILING PARTY: PATENT OWNER

Download

Patent Owner's Statement OTHER

2026-08-31 FILING PARTY: PATENT OWNER

Download

ToughBuilt Industries, Inc. vs. Meridian International Co. Ltd.

Proceeding Overview

Parties & Counsel

Petitioner

ToughBuilt Industries, Inc.

Represented By

Patent Owner / Respondent

Meridian International Co. Ltd.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Exhibit 2023 - Declaration of Glenn E. Vallee, Ph.D., P.E. Exhibit

Patent Owner's Revised Contingent Motion to Amend MOTION

Patent Owner's Sur-Reply RESPONSE

Exhibit 2021 - July 16, 2026 Email Exhibit

Patent Owner's Statement OTHER

Exhibit 2020 - Vallee Declaration Exhibit

Exhibit 2022 - Dec. 3, 2025 Email Exhibit

PRELIMINARY GUIDANCE Patent Owner’s Motion To Amend 37 C.F.R. § 42.121(e) ORDER

Exhibit 2019 - May 5, 2026 Correspondence Exhibit

Patent Owner's Objection to Evidence OTHER

Petitioner's Reply REPLYTOOPP

EX1045 - IPR2025-01461 Vallee Deposition Transcript Exhibit

EX1046 - Geometric Design of Linkages 2nd Edition Exhibit

EX1044 - McCarthy Reply Declaration Exhibit

Patent Owner's Objection to Evidence OTHER

EX1042 - Meridian Response Letter Exhibit

EX1037 - U.S. Publication No. 20160236592 (Peniche) Exhibit

EX1039 - U.S. Publication No. 20060273084 (Baker-084) Exhibit

EX1036 - U.S. Publication No. 20110000916 (Dane) Exhibit

EX1040 - U.S. Publication No. 20170250501 (Endo) Exhibit

Petitioner's Opposition to Patent Owner's Contingent Motion to Amend OPPOSITION

EX1041 - U.S. Patent No. 9,097,038 (Cohen) Exhibit

EX1038 - Vallee Deposition Transcript (2026-07-14) Exhibit

EX1035 - McCarthy Declaration ISO Petitioner's Opposition to MTA Exhibit

Petitioner's Notice of Deposition NOTICE

Response to Petitioner's Objection to Evidence OTHER

Exhibit 2018 - Supplemental Declaration of Glenn E. Vallee, Ph.D., P.E. Exhibit

Petitioner's Objections to Evidence OTHER

Patent Owner's Response to Petition RESPONSE

Exhibit 2016 - CN '361 Application Exhibit

Exhibit 2015 - '878 Application Exhibit

Exhibit 2014 - McCarthy Deposition Transcript Exhibit

Exhibit 2017 - English Translation of CN '361 Application Exhibit

Exhibit 2013 - CV of Glenn E. Vallee, Ph.D., P.E. Exhibit

Exhibit 2012 - Declaration of Glenn E. Vallee, Ph.D., P.E. Exhibit

Patent Owner's Contingent Motion to Amend MOTION

Notice of Stipulation Regarding Amendment of Due Dates NOTICE

Petitioner's Updated Mandatory Notices NOTICE

Updated Notice of Deposition NOTICE

Petitioner's Notice of Intent to Designate Provisionally Recognized PTAB Attorney as Back-up Counsel NOTICE

EX1043 - Milliken PHV Declaration Exhibit

Petitioner's Updated Mandatory Notices NOTICE

Petitioner's Updated Power of Attorney NOTICE

Notice: Updated Mandatory Notice (Second Amended) NOTICE

Notice of Deposition of Dr. McCarthy NOTICE

Order: Scheduling Order ORDER

IPR2025-01462 Petitioner's Objections to Evidence OTHER

Patent Owner's Objection to Evidence Presented in Support of Petition OTHER

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

Exhibit 2011 - Pratt Declaration Exhibit

Petitioner's Opposition to Discretionary Denial Brief RESPONSE

Patent Owner's Preliminary Response POPR

EX1034 - Meridian Complaint for Patent Infringement Exhibit

EX1033 - Plaintiff Memo ISO Motion for Preliminary Injunction Exhibit

Exhibit 2003 - March 24 PTAB Memo Exhibit

Exhibit 2004 - March 26 PTAB Memo Exhibit

Exhibit 2005 - First Amended Invalidity Contentions Exhibit

Exhibit 2008 - Excerpts from Panosian Deposition Exhibit

Exhibit 2002 - Scheduling Conference Exhibit

Exhibit 2007 - Declaration of Tony Kriz Exhibit

Discretionary Denial Brief RESPONSE

Exhibit 2006 - Exemplary Meridian Product on Sale 2022 Exhibit

Exhibit 2010 - FAQs for Interim Processes Exhibit

Exhibit 2009 - Interim Director Discretionary Process Exhibit