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

Explore the PTAB proceeding IPR2025-01533 filed by SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY CO., LTD. on 2025-09-10. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01533

Filing Date

2025-09-10

Accorded Filing Date

2025-09-10

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 15047773

Respondent Patent Number 9977519

External Links

Espacenet

Google Patents

Respondent Inventor Jeff Lukanc et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

1 Registered Practitioner

Power of Attorney & Correspondence

Firm / Entity Name FBFK/Synaptics

Customer Number 111408

Address 3200 Southwest Freeway, Suite 3200, Houston, TX, 77027, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
42403	Bernice Chen	408-904-1100

Proceeding Documents

Notice: refund approved NOTICE

2026-02-12 FILING PARTY: BOARD

Download

Refund Request OTHER

2026-02-02 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2026-01-16 FILING PARTY: BOARD

Download

Patent Owner's Preliminary Response POPR

2025-12-23 FILING PARTY: PATENT OWNER

Download

1022

Ex. 1022 - 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

Patent Owner's Preliminary Response POPR

Ex. 1022 - 796 Federal District Court Cases for James Rodney Gilstrap Exhibit

Ex. 1024 - Exhibit D-1 Claim Chart Exhibit

Ex. 1026 - Exhibit D-3 Claim Chart Exhibit

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

Ex. 1023 - 1,015 Federal District Court Cases for James Rodney Gilstrap Exhibit

Ex. 1021 - 451 Federal District Court Cases for James Rodney Gilstrap Exhibit

Ex. 1027 - Notice of Sotera Stipulation Exhibit

Ex. 1025 - Exhibit D-2 Claim Chart Exhibit

Ex2002 Second Amended Complaint Exhibit

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

Patent Owner's Request for Discretionary Denial RESPONSE

Ex2001 Assignment Exhibit

Ex2004 Docket Control Order Exhibit

Ex2006 Headwater v Samsung Memorandum Order Exhibit

Ex2003 Preliminary Invalidity Contentions Exhibit

PETITIONER’S SOTERA STIPULATION OTHER

Pro Hac Vice Application of Payton George MOTION

Declaration in Support of Pro Hac Vice Application of Erin Kolter OTHER

Declaration in Support of Pro Hac Vice Application of Payton George OTHER

Pro Hac Vice Application of Erin Kolter MOTION

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

Ex. 1007 - US20120105361A1 (Kremin '361) Exhibit

Petition: as filed PETITION

Ex. 1013 - HTC Scribe will change the way you use tablets _ News _ TechRada Exhibit

Ex. 1003 - Declaration of Ricardo Valerdi Exhibit

Ex. 1005 - US9606680 (Sundara-Rajan) Exhibit

Ex. 1017 - Excerpted IEEE Dictionary Exhibit

Ex. 1001 - U.S. Patent No. 9977519 Exhibit

Ex. 1012 - HTC Flyer review_ first look _ PC Pro blog filed 2025-08-29 Exhibit

Ex. 1004 - RicardoValerdi (cv) 2025 Exhibit

Ex. 1008 - US20130157690A1 (Lefevre) Exhibit

Ex. 1015 - 8021ag-2007 Exhibit

Notice: Power of Attorney NOTICE

Ex. 1009 - US9703433 (Chandran) Exhibit

Ex. 1006 - US20130207926A1 (Kremin '926) Exhibit

Ex. 1010 - Ars Technica Article filed 2025-08-29 Exhibit

Ex. 1011 - johnson-touch-display-a-novel-input-output-device-for-computers Exhibit

Ex. 1016 - 802.3ah-2004 collision detection Exhibit

Ex. 1019 - Appx. B '519 IPR Invalidity Claim Chart Exhibit

Ex. 1018 - Appx. A '519 IPR Invalidity Claim Chart Exhibit

Ex. 1014 - IEEE 8021D-2004 collision packet Exhibit

Ex. 1020 - Appx. C '519 IPR Invalidity Claim Chart Exhibit

Ex. 1002 - File History of '519 Patent Exhibit