Shenzhen Root Technology Co., Ltd. et al. vs. Willow Blossom Holdco Limited et al.

Explore the PTAB proceeding IPR2025-00554 filed by Shenzhen Root Technology Co., Ltd. et al. on 2025-03-06. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00554

Filing Date

2025-03-06

Accorded Filing Date

2025-03-06

Institution Decision Date

2025-10-14

Last Modified Date

2026-09-25

Proceeding Type

IPR

Termination Date

2026-09-25

Trial Status

Final Written Decision

Parties & Counsel

Petitioner

Shenzhen Root Technology Co., Ltd. et al.

Represented By

Hawkins, Michaelet al

Patent Owner / Respondent

Willow Blossom Holdco Limited et al.

Represented By

Briggs, Heathet 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 18148864

Respondent Patent Number 11806454

External Links

Espacenet

Google Patents

Respondent Inventor Thibault DE BECDELIEVRE et al

Respondent Tech Center TC 3700 - Mechanical Engineering & Manufacturing

Address and Attorney/Agent Information

5 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C.

Customer Number 26111

Address 1101 K Street, NW, 10th Floor, WASHINGTON, DC, 20005, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
37045	Earl Bright Ii	650-472-0307
38171	John Hanley	650-472-0300
68390	George Raynal	301-585-8601
70301	Meera Kamath	301-585-8601
77487	Lindsey Jaeger	301-585-8601

Proceeding Documents

Final Written Decision: JUDGMENT Final Written Decision Determining All Challenged Claims Unpatentable FINAL

2026-09-25 FILING PARTY: BOARD

Download

Decision Granting Institution of Inter Partes Review DECISION

2025-10-14 FILING PARTY: BOARD

Download

3001

Joint Status Report Exhibit

2025-10-14 FILING PARTY: BOARD

Download

Scheduling Order ORDER

2025-10-14 FILING PARTY: BOARD

Download

Director Discretionary Decision: Refer RESPONSE

2025-07-17 FILING PARTY: BOARD

Download

Shenzhen Root Technology Co., Ltd. et al. vs. Willow Blossom Holdco Limited et al.

Proceeding Overview

Parties & Counsel

Petitioner

Shenzhen Root Technology Co., Ltd. et al.

Represented By

Patent Owner / Respondent

Willow Blossom Holdco Limited 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: JUDGMENT Final Written Decision Determining All Challenged Claims Unpatentable FINAL

Decision Granting Institution of Inter Partes Review DECISION

Joint Status Report Exhibit

Scheduling Order ORDER

Director Discretionary Decision: Refer RESPONSE

Docket_Case No. 23-cv-00631 Exhibit

Amended Counterclaim Exhibit

Patent Owner Suggestion of Bankruptcy Exhibit

Original Counterclaim Exhibit

Petitioners Opposition to Patent Owners Discrentionary Denial Brief OTHER

Scheduling Order extending particular deadlines Exhibit

Ex2003-DocketReport-WDWA-2-23-cv-00631 Exhibit

Ex2001-US20180104396A1-Park Exhibit

Ex2004-DocketNavigator-WDWash-Statistics Exhibit

Ex2005-WDWash-Order Exhibit

PO Discretionary Denial Brief RESPONSE

Ex2002-US20150314053A1 Exhibit

Petitioner's Updated Exhibit List NOTICE

May 14, 2025 Sotera Stipulation Exhibit

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Notice: Notice filing date accorded NOTICE

PCT Application Pub. No. WO2002/102437 to Myers et al. Exhibit

Notice: Power of Attorney NOTICE

Order on Motion to Continue Pretrial Deadlines Strike Trial Date 24-06-28 Exhibit

U.S. Patent Application Pub. No. 2018/0333523 to Chang et al. Exhibit

PCT Application Pub. No. WO2016/186452 to Park Exhibit

U.S. Patent No. 7,677,423 to Kasting et al. Exhibit

Momcozy’s Motion to Continue Pre-Trial Deadlines Strike Trial Date 24-06-04 Exhibit

Declaration and Curriculum Vitae of Ryan Bauer Exhibit

U.S. Patent Application Pub. No. 2018/0021491 to Rigert et al. Exhibit

Excerpts from the Prosecution History of the ’454 Patent Exhibit

U.S. Patent Application Pub. No. 2015/0217035 to Pollen et al. Exhibit

PTC Application Pub. No. WO2008/137678 to Myers et al. Exhibit

U.S. Patent No. 8,187,227 to Luzbetak et al. Exhibit

U.S. Patent Application Pub. No. 2004/0087898 to Weniger Exhibit

U.S. Patent No. 10,046,097 to Thompson et al. Exhibit

U.S. Patent Application Pub. No. 2015/0283311 to Alvarez et al. Exhibit

Docket of Case No. 23-cv-631-KKE (W.D. Wash.), as of August 13, 2024 Exhibit

U.S. Patent No. 10,149,929 to Furrer et al. Exhibit

U.S. Patent Application Pub. No. 2011/0071466 to Silver et al. Exhibit

U.S. Patent Application Pub. No. 2016/0082166 to Guthrie et al. Exhibit

Certified English translation of PCT Pub. No. WO2016/186452 to Park Exhibit

Petition: as filed PETITION

U.S. Patent No. 11,806,454 to De Becdelievre et al. Exhibit

U.S. Patent No. 6,379,327 to Lundy Exhibit