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

Explore the PTAB proceeding IPR2025-00354 filed by Shenzhen Tuozhu Technology Co., Ltd. et al. on 2024-12-23. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00354

Filing Date

2024-12-23

Accorded Filing Date

2024-12-23

Institution Decision Date

2025-06-12

Last Modified Date

2025-12-09

Proceeding Type

IPR

Termination Date

2025-06-12

Trial Status

Pending Director Review

Parties & Counsel

Petitioner

Shenzhen Tuozhu Technology Co., Ltd. et al.

Represented By

Hawkins, Michaelet 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 1700 - Chemical & Materials Engineering

Patent Information

1 Patent Involved

Respondent Application Number 13556368

Respondent Patent Number 8747097

External Links

Espacenet

Google Patents

Respondent Inventor Nathaniel B. Pettis

Respondent Tech Center TC 1700 - Chemical & Materials Engineering

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

Notice: refund approved NOTICE

2025-12-09 FILING PARTY: BOARD

Download

Petitioner's Request for Refund of Post-Institution Fees OTHER

2025-12-05 FILING PARTY: PETITIONER

Download

Order Denying Director Review of Institution Decision REHEARING

2025-08-21 FILING PARTY: BOARD

Download

Patent Owner's Authorized Response to Director Review Request OTHER

2025-07-18 FILING PARTY: PATENT OWNER

Download

Petitioner's Request For Director Review REQUEST

2025-07-11 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

Notice: refund approved NOTICE

Petitioner's Request for Refund of Post-Institution Fees OTHER

Order Denying Director Review of Institution Decision REHEARING

Patent Owner's Authorized Response to Director Review Request OTHER

Petitioner's Request For Director Review REQUEST

Ex. 3100 Counsel for Authorized Response Exhibit

Director Discretionary Decision: Deny RESPONSE

Petitioner's Opposition to Patent Owner’s Discretionary Denial Brief RESPONSE

EDTX Judge Gilstrap Calendar Events June 2026 Exhibit

LegalMetric Report Judge Gilstrap December 2011-January 2025 Exhibit

Email from Aaron Pirouznia to Christian Tatum re Case No 2:24-cv-00644-JRG (EDTX) April 25, 2025 Exhibit

Order Granting Stay EDTX-2:24-cv-00262-JGR Exhibit

Email from Christian Tatum to Michael Vincent re Case No 2:24-cv-00644-JRG (EDTX) Apr 4 2025 Exhibit

April 8, 2025 Sotera Stipulation Exhibit

Petitioner's Updated Exhibit List NOTICE

U.S. District Courts — Judicial Caseload Profiles for Eastern District of Texas (Sept. 30, 2024 and Dec. 31, 2024) Exhibit

Protective Order, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co. Ltd., No. 2:24-cv-00644-JRG, Dkt No. 36 Exhibit

PATENT OWNER'S PRELIMINARY RESPONSE POPR

Invalidity and Ineligibility Contentions, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co. Ltd., No. 2:24-cv-00644-JRG Exhibit

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

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

Complaint for Patent Infringement, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co. Ltd., No. 2:24-cv-00645-JRG, Dkt No. 1 Exhibit

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

Transcript of Hearing on the Nomination of Howard Lutnick, of New York, to be Secretary of Commerce (Jan. 29, 2025) Exhibit

Brief in Support of Patent Owner's Request for Discretionary Denial RESPONSE

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

Patent Owner Mandatory Notice NOTICE

Patent Owner Power of Attorney NOTICE

EX1007 US2004162798A1 Exhibit

Notice: Power of Attorney NOTICE

EX1017 Munford Declaration Exhibit

EX1016 Exhibit H Exemplary Infringement Evidence for U.S. Patent No. 874709 Exhibit

EX1019 Docket Control Order Exhibit

EX1003 Wolfe Declaration Exhibit

Petition: as filed PETITION

EX1002 13556368 prosecution history Exhibit

EX1010 US2006160250A1 Exhibit

EX1005 US9156204B2 Exhibit

EX1015 Bakhadyrov_Defect Detection Exhibit

EX1018 Petitioner Stip Exhibit

EX1014 US2010142759A1 Exhibit

EX1001 US8747097B2 Exhibit

EX1008 WO2008102266A2 Exhibit

EX1013 Tay_Distributed rapid prototyping Exhibit

EX1009 US6611617B1 Exhibit

EX1004 US6580959B1 Exhibit

EX1006 LUO_The Development of Internet Exhibit

EX1012 US2004207662A1 Exhibit

EX1011 US2002186245A1 Exhibit