Shenzhen Tuozhu Technology Co., Ltd. et al. vs. Stratasys, Inc. et al.

Explore the PTAB proceeding IPR2025-00611 filed by Shenzhen Tuozhu Technology Co., Ltd. et al. on 2025-02-14. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00611

Filing Date

2025-02-14

Accorded Filing Date

2025-02-14

Institution Decision Date

2025-10-06

Last Modified Date

2026-09-28

Proceeding Type

IPR

Termination Date

2026-09-28

Trial Status

Final Written Decision

Parties & Counsel

Petitioner

Shenzhen Tuozhu Technology Co., Ltd. et al.

Represented By

Griswold, Joshuaet al

Patent Owner / Respondent

Stratasys, Inc. et al.

Represented By

Oaks, Brianet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2100 - Computer Architecture & Software

Patent Information

1 Patent Involved

Respondent Application Number 18148591

Respondent Patent Number 11886774

External Links

Espacenet

Google Patents

Respondent Inventor Alison N. Leonard et al

Respondent Tech Center TC 2100 - Computer Architecture & Software

Address and Attorney/Agent Information

17 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name WESTMAN CHAMPLIN & KOEHLER, P.A.

Customer Number 27367

Address 121 South Eighth Street, Suite 1100, Minneapolis, MN, 55402, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
20147	Nickolas Westman	612-334-3222
30214	Zbigniew Sawicki	612-334-3222
30514	James Young	612-330-0495
33172	Hallie Finucane	612-334-3222
34557	David Brush	612-334-3222
34797	Judson Champlin	612-334-3222
36188	Steven Koehler	612-334-3222
38354	John Veldhuis-Kroeze	612-334-3222
39758	Theodore Magee	612-334-3222
39801	Daniel Polglaze	612-330-0482
41885	Brian Kaul	612-334-3222
43589	Mai-Tram Lauer	612-330-0583
45956	Alan Rego	612-852-0612
48774	Peter Ims	408-720-9397
53675	Leanne Farrell	612-334-3222
57907	Austen Zuege	612-330-0585
72345	Amanda Prose	612-334-3222

Proceeding Documents

101

Final Written Decision: original FINAL

2026-09-28 FILING PARTY: BOARD

Download

Other: Hearing transcript OTHER

2026-08-06 FILING PARTY: BOARD

Download

Patent Owner's Updated Exhibit List NOTICE

2026-07-08 FILING PARTY: PATENT OWNER

Download

2016

Patent Owner's Demonstratives Exhibit

2026-07-08 FILING PARTY: PATENT OWNER

Download

1047

Petitioner's Demonstratives Exhibit

2026-07-08 FILING PARTY: PETITIONER

Download

Shenzhen Tuozhu Technology Co., Ltd. et al. vs. Stratasys, Inc. et al.

Proceeding Overview

Parties & Counsel

Petitioner

Shenzhen Tuozhu Technology Co., Ltd. et al.

Represented By

Patent Owner / Respondent

Stratasys, Inc. et al.

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

Other: Hearing transcript OTHER

Patent Owner's Updated Exhibit List NOTICE

Patent Owner's Demonstratives Exhibit

Petitioner's Demonstratives Exhibit

Petitioner's Updated Exhibit List NOTICE

Order: Revised Hearing Order ORDER

Petitioner's LEAP Request GRANTED (Chris von Gunten) NOTICE

Panel Change Order ORDER

ORDER Setting Oral Argument 37 C.F.R. § 42.70(a) ORDER

Petitioner's Request for Oral Argument OTHER

Patent Owner's Request for Oral Argument OTHER

Patent Owner's Sur-Reply OTHER

Panel Change Order ORDER

Introducing KISSlicer 2012 Exhibit

KISSlicer 2012 Exhibit

KISSlicer pre-release 1.0.8 2012 Exhibit

Petitioner's Reply to Patent Owner's Response REPLYTOOPP

Copyright registration for Practical 3D Printers Exhibit

Transcript of the Deposition of Dr. Denis Cormier Exhibit

Petitioner's Notice of Deposition of Dr. Denis R. Cormier NOTICE

Petitioner's Updated Mandatory Notices NOTICE

Claim Construction Order Exhibit

Petitioner's Updated Exhibit List NOTICE

Corrected Declaration of Denis Cormier Exhibit

DECISION Granting Patent Owner’s Motion for Pro Hac Vice Admission of Dexter Hamilton 37 C.F.R. § 42.10 ORDER

Transcript of Dr. Michael Hickner Exhibit

Patent Owner's Response to Petition RESPONSE

Declaration of Dr. Denis Cormier Exhibit

Patent Owner Updated Mandatory Notices NOTICE

Patent Owner Power of Attorney NOTICE

MOTION FOR PRO HAC VICE ADMISSION OF DEXTER HAMILTON MOTION

DECLARATION IN SUPPORT OF ADMISSION PRO HAC VICE OF DEXTER HAMILTON Exhibit

Petitioner's Updated Mandatory Notices NOTICE

Notice of Joint Stipulation Extending Due Dates 1,2,3 OTHER

Patent Owner's Notice of Deposition of Michael Hickner NOTICE

Order Denying Director Review of Institution Decision REHEARING

Ex. 3101 Request authorization to submit briefing - Denied Exhibit

Authorized Response to Director Review Request OTHER

Email, Subject_IPR2025-00611 Director Review Request Exhibit

Patent Owner's Request for Director Review REQUEST

SCHEDULING ORDER ORDER

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

PTAB Trial Statistics, January 2024, IPR, PGR (United States Patent Trial and Appeal Board) Exhibit

Email from Aaron Pirouznia to Christian Tatum re Case No. 2:24-cv-00644-JRG (E.D. Tex.); Stratasys, Inc. v. Shenzhen Tuozhu Tech. Co., Ltd. RFPs Exhibit

July 9, 2025 Stipulation Exhibit

PLAINTIFF’S MOTION TO COMPEL, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co., No. 2:24-cv-00644-JRG, Dkt. 57 Exhibit

Email from Christian Tatum to Michael Vincent re Case No. 2:24-cv-00644-JRG (E.D. Tex.); Stratasys, Inc. v. Shenzhen Tuozhu Tech. Co., Ltd. RFPs (Apr. 4, 2025) Exhibit

LegalMetric Individual Judge Report for Judge James Rodney Gilstrap Patent Cases December 2011 to January 2025 Exhibit

U.S. District Court for the Eastern District of Texas Calendar Events Set for 6/1/2026-7/1/2026 for Judge Rodney Gilstrap Exhibit

Order Granting Stay in Maxeon Solar PTE. LTD. V. Hanwha Solutions Corp. et al., case no. 2:24-CV-00262-JRG (EDTX) Exhibit

DEFENDANT’S MOTION TO COMPEL, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co., No. 2:24-cv-00644-JRG, Dkt. 61 Exhibit

PLAINTIFF STRATASYS, INC.’S SECOND AMENDED DISCLOSURE OF ASSERTED CLAIMS AND INFRINGEMENT CONTENTIONS, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co. Ltd. et al., 2-24-cv-00644 (EDTX) Exhibit

United States Securities and Exchange Commission Form 20-F for Stratasys LTD Exhibit

Petitioner's Opposition to Patent Owners Discretionary Denial Brief RESPONSE

PLAINTIFF’S SUPPLEMENTAL RESPONSES AND OBJECTIONS TO DEFENDANTS’ FIRST SET OF INTERROGATORIES (Nos. 1-21), Stratasys, Inc. v. Shenzhen Tuozhu Technology Co., No. 2:24-cv-00644-JRG Exhibit

PATENT OWNER'S PRELIMINARY RESPONSE POPR

Lex Machina, Patent Litigation Report 2024 (Feb. 2024) Exhibit

e-Discovery Order, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co. Ltd., No. 2:24-cv-00644-JRG, Dkt No. 41 Exhibit

Docket Navigator – Judge Rodney Gilstrap Motion Success for Stay Pending IPR and Time to Milestones Exhibit

Minute Entry for proceedings held before District Judge Gilstrap on Nov. 7, 2024, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co. Ltd., No. 2:24-cv-00644-JRG Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

U.S. District Court, Eastern District of Texas [Live] Calendar Events Set for 6/1/2026-8/1/2026 Exhibit

Discovery Order, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co. Ltd., No. 2:24-cv-00644-JRG, Dkt No. 35 Exhibit