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

Explore the PTAB proceeding IPR2025-00585 filed by Shenzhen Tuozhu Technology Co., Ltd. et al. on 2025-02-06. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00585

Filing Date

2025-02-06

Accorded Filing Date

2025-02-06

Institution Decision Date

2025-10-06

Last Modified Date

2025-12-09

Proceeding Type

IPR

Termination Date

2025-10-06

Trial Status

Institution Denied

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 16796122

Respondent Patent Number 11167464

External Links

Espacenet

Google Patents

Respondent Inventor Ariel Douglas et al

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

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

2025-12-05 FILING PARTY: PETITIONER

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DECISION Denying Institution of Inter Partes Review 35 U.S.C. § 314 DECISION

2025-10-06 FILING PARTY: BOARD

Download

Director Discretionary Decision: Refer RESPONSE

2025-07-17 FILING PARTY: BOARD

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1031

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

2025-07-09 FILING PARTY: PETITIONER

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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

DECISION Denying Institution of Inter Partes Review 35 U.S.C. § 314 DECISION

Director Discretionary Decision: Refer RESPONSE

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

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

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

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

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

Exhibit G - Exemplary Infringement Evidence for U.S. Patent No. 11,167,464, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co. Ltd. et al., 2-24-cv-00644 (EDTX) 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

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

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

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

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

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

July 9, 2025 Stipulation Exhibit

PATENT OWNER'S PRELIMINARY RESPONSE POPR

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

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

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

Order Denying Defendants’ Motion to Dismiss for Failure to Join Indispensable Party, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co. Ltd., No. 2:24-cv-00644-JRG, Dkt. No. 53 ( Exhibit

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

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

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

Patent Owner's Discretionary Denial Brief RESPONSE

USDC-Judicial Caseload Profiles for Eastern District of Texas (Sept. 30, 2024 and Dec. 31, 2024) Exhibit

Plaintiff’s Unopposed Motion to Consolidate Case No. 2:25-cv- 00465-JRG with Case Nos. 2:24-cv-00644-JRG and 2:24-cv- 00645-JRG, Stratasys, Inc. v. Shenzhen Tuozhu Technology Co. Ltd., No. 2:24-cv-00644-JRG, Dkt. No. 54 Exhibit

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

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

April 8, 2025 Sotera Stipulation Exhibit

Petitioner's Updated Exhibit List NOTICE

Notice: Notice filing date accorded NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

EX1025 US District Court EDTX Calendar June-July2026 Exhibit

EX1013 US20130075954A1 Gregory II Exhibit

EX1009 US20060127153A1 Menchik Exhibit

Petition: as filed PETITION

EX1022 Provisional App 61719874 Exhibit

Petitioner Stip Exhibit

EX1011 US6022207 Dahlin Exhibit

EX1024 JP2013067018A Certified Translation and Original Exhibit

Declaration of Hickner Exhibit

EX1004 US20060091199A1 Loughran Exhibit

EX1001 US11167464B2 Douglas Exhibit

EX1002 FH16796122 Exhibit

EX1016 US20100192806A1 Heugel Exhibit

EX1021 Document 38 Bambu MTD Exhibit

EX1014 US20110223349A1 Scott Exhibit

EX1007 Kaur - RFID Technology Principles Exhibit

EX1015 US20020171703A1 Phillips Exhibit

EX1023 Practical 3D Printers Exhibit

EX1020 Docket Control Order Exhibit

EX1012 US20070077323A1 Stonesmith Exhibit