SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY CO., LTD. vs. Wacom Co. Ltd.

Explore the PTAB proceeding IPR2025-01556 filed by SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY CO., LTD. on 2025-09-17. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01556

Filing Date

2025-09-17

Accorded Filing Date

2025-09-17

Institution Decision Date

2026-01-16

Last Modified Date

2026-02-18

Proceeding Type

IPR

Termination Date

2026-01-16

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY CO., LTD.

Represented By

A, Market al

Patent Owner / Respondent

Wacom Co. Ltd.

Represented By

Helge, Wayneet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 14593349

Respondent Patent Number 9280220

External Links

Espacenet

Google Patents

Respondent Inventor Shahrooz Shahparnia et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

40 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name SEED INTELLECTUAL PROPERTY LAW GROUP LLP

Customer Number 500

Address 701 FIFTH AVE, SUITE 5400, SEATTLE, WA, 98104, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
33507	Karl Hermanns	206-622-4900
37376	Steven Lawrenz	206-622-4900
37801	Kevin Costanza	206-622-4900
42015	Kevan Morgan	206-622-4900
43746	Shoko Leek	206-622-4900
45030	Brooke Quist	206-694-4850
46861	Michelle Lecointe	206-622-4900
47435	Timothy Boller	206-622-4900
53937	Qing Lin	206-622-4899
54150	Hai Han	206-622-4900
54459	Bobby Soltani	206-622-4900
57933	Jared Barrett	206-622-4900
59937	Eric Harwood	206-622-4900
60418	John Wakeley	203-327-6401
65314	Jessica Gritton	206-622-4900
65851	Karl Hefter	206-622-4900
65875	Hayley Talbert	206-622-4900
66397	Yiheng Li	206-622-4900
66680	David Conlee	206-622-4900
67099	Shi Liu	206-622-4900
67909	Christopher Bayne	206-859-5645
68240	Blake Kumabe	206-622-4900
68322	Michael Cooper	206-694-4900
68796	Jianping Zhang	206-876-6001
70903	Syed Abedi	206-622-4900
72203	John Morgan	206-622-4900
74673	Kazuya Toyama	737-304-0908
74699	Toby Ligon	206-622-4900
74837	Emily Ross	650-843-5521
75668	Tessa Mcclure	206-622-4900
76666	Bradley Zentz	206-859-5621
77353	Zachary Sakoi	206-622-4900
78478	Anna Mallam	206-622-4900
79439	Bilal Adra	206-622-4900
79675	Janaki Purushe	206-859-5670
81284	Michael Chernoff	206-694-4825
81573	Melina Costanza	206-622-4900
81625	Willem De Van Der Schueren	206-622-4900
82031	Hyun Kyu Lee	206-694-4893
82256	Carl Rustad	206-622-4900

Proceeding Documents

Notice: refund approved NOTICE

2026-01-27 FILING PARTY: BOARD

Download

Refund Request OTHER

2026-01-23 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2026-01-16 FILING PARTY: BOARD

Download

3001

Ex. 3001 Email correspondence Exhibit

2026-01-14 FILING PARTY: BOARD

Download

1023

Ex. 1023 - 796 Federal District Court Cases for James Rodney Gilstrap Exhibit

2025-12-23 FILING PARTY: PETITIONER

Download

SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY CO., LTD. vs. Wacom Co. Ltd.

Proceeding Overview

Parties & Counsel

Petitioner

SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY CO., LTD.

Represented By

Patent Owner / Respondent

Wacom Co. Ltd.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Refund Request OTHER

Director Discretionary Decision: Deny RESPONSE

Ex. 3001 Email correspondence Exhibit

Ex. 1023 - 796 Federal District Court Cases for James Rodney Gilstrap Exhibit

Patent Owner's Preliminary Response POPR

Ex. 1026 - Claim Chart Exhibit

Ex. 1022 - 451 Federal District Court Cases for James Rodney Gilstrap Exhibit

Petitioner's Opposition to Patent Owner's Request for Discretionary Denial RESPONSE

Ex. 1027 - Claim Chart Exhibit

Ex. 1028 - Sotera stipulation Exhibit

Ex. 1024 - 1,015 Federal District Court Cases for James Rodney Gilstrap Exhibit

Ex. 1025 - Claim Chart Exhibit

Ex2003 Preliminary Invalidity Contentions Exhibit

Ex2002 Second Amended Complaint Exhibit

Ex2005 District Time-to-Trial Statistics (annotated) Exhibit

Ex2001 Assignment Exhibit

Ex2006 Headwater v Samsung Memorandum Order Exhibit

Patent Owner's Request for Discretionary Denial RESPONSE

Ex2004 Docket Control Order Exhibit

PETITIONER’S SOTERA STIPULATION OTHER

Pro Hac Vice Application of Shannon Bjorklund MOTION

Declaration in Support of Pro Hac Vice Application of Shannon Bjorklund OTHER

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Notice: Notice filing date accorded NOTICE

Ex. 1014 - HTC Flyer review_ first look _ PC Pro blog Exhibit

Ex. 1002 - Prosecution History Exhibit

Ex. 1007 - U.S. Patent No. 8988398 to Cao Exhibit

Ex. 1020 - ELECTRODE Definition & Meaning - Merriam-Webster Exhibit

Ex. 1021 - U.S. Patent No. 8928635 to Harley Exhibit

Ex. 1015 - HTC Scribe will change the way you use tablets _ News _ TechRada Exhibit

Ex. 1013 - Benko Profile Exhibit

Ex. 1019 - Ars Technica Article Exhibit

Ex. 1001 - U.S. Patent No. 9280220 Exhibit

Ex. 1006 - U.S. Patent No. 8766954 to Vuppu Exhibit

Ex. 1005 - Kaneko with declaration Exhibit

Ex. 1003 - Declaration of Nabil J. Sarhan PhD Exhibit

Ex. 1004 - Nabil Sarhan CV Exhibit

Petition: as filed PETITION

Ex. 1012 - Westerman Profile Exhibit

Ex. 1010 - Shahparnia Profile Exhibit

Ex. 1009 - U.S. Pub. No. 20120105362 to Kremin Exhibit

Ex. 1018 - Grami - Intro to Digital Communications Exhibit

Ex. 1011 - Bakken Profile Exhibit

Ex. 1017 - U.S. Provisional App. No. 61407907 Exhibit

Ex. 1008 - U.S. Pub. No. 20100085325 to King-Smith Exhibit

Ex. 1016 - Dictionary Excerpt Exhibit

Notice: Power of Attorney NOTICE