The detailed information for PTAB case with proceeding number IPR2025-00372 filed by Kangxi Communications Technologies (Shanghai) Co., Ltd. against Skyworks Solutions, Inc. on Jan 14, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2025-00372
Filing Date
Jan 14, 2025
Petitioner
Kangxi Communications Technologies (Shanghai) Co., Ltd.
Respondent
Skyworks Solutions, Inc.
Status
Discretionary Denial
Respondent Application Number
15377842
Respondent Tech Center
2800
Respondent Patent Number
9917563
Institution Decision Date
Jul 16, 2025
Termination Date
Jul 16, 2025

Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.


Document NameFiling DateCategoryFiling Party

Alert me when new update on this case

Patent Owner's Updated Mandatory Notices

Jul 21, 2025PAPERPATENT OWNER

Director Discretionary Decision: Deny

Jul 16, 2025PAPERBOARD

EX1029 U.S. Patent No. 9917563

May 22, 2025EXHIBITPETITIONER

EX1030 Prosecution History for U.S. Patent No. 9917563 Pt. 1

May 22, 2025EXHIBITPETITIONER

EX1030 Prosecution History for U.S. Patent No. 9917563 Pt. 2

May 22, 2025EXHIBITPETITIONER

Petitioner's Opposition to Discretionary Denial Brief

May 22, 2025PAPERPETITIONER

Patent Owner’s Preliminary Response

May 21, 2025PAPERPATENT OWNER

Excerpts of Gray et al., Analysis and Design of Analog Integrated Circuits (5th ed. 2009)

May 21, 2025EXHIBITPATENT OWNER

Excerpts of Thomas et al., The Analysis & Design of Linear Circuits (7th ed. 2012)

May 21, 2025EXHIBITPATENT OWNER

ADI HMC7748 Datasheet

May 21, 2025EXHIBITPATENT OWNER

Infineon BCR400W Datasheet

May 21, 2025EXHIBITPATENT OWNER

Ayad et al., 2017 IEEE MTT-S International Microwave Symposium

May 21, 2025EXHIBITPATENT OWNER

Vassilev et al., 2011 IEEE MTT-S International Microwave Workshop Series

May 21, 2025EXHIBITPATENT OWNER

Excerpts of Kaplan, Electrical and Electronics Engineering Dictionary (2004)

May 21, 2025EXHIBITPATENT OWNER

Excerpts of Razavi, Design of analog CMOS integrated circuits (2nd ed. 2015)

May 21, 2025EXHIBITPATENT OWNER

Patent Owners Request for Discretionary Denial

Apr 22, 2025PAPERPATENT OWNER

Order No. 33 in Inv. No. 337-TA-1413

Apr 22, 2025EXHIBITPATENT OWNER

Order No. 20 in Inv. No. 337-TA-1413

Apr 22, 2025EXHIBITPATENT OWNER

Complaint in Inv. No. 337-TA-1413

Apr 22, 2025EXHIBITPATENT OWNER

Complaint in 8:24-cv-00974- C.D.C.A Part 1 of 4

Apr 22, 2025EXHIBITPATENT OWNER

Complaint in 8:24-cv-00974- C.D.C.A Part 2 of 4

Apr 22, 2025EXHIBITPATENT OWNER

Complaint in 8:24-cv-00974- C.D.C.A Part 3 of 4

Apr 22, 2025EXHIBITPATENT OWNER

Complaint in 8:24-cv-00974- C.D.C.A Part 4 of 4

Apr 22, 2025EXHIBITPATENT OWNER

Redacted Opening Expert Report of David Ricketts

Apr 22, 2025EXHIBITPATENT OWNER

Redacted Rebuttal Expert Report of David Wentzloff

Apr 22, 2025EXHIBITPATENT OWNER

Order Granting Defendants’ Unopposed Motion for Automatic Stay

Apr 22, 2025EXHIBITPATENT OWNER

Wakita

Apr 22, 2025EXHIBITPATENT OWNER

Amended Appendix B - Invalidity Contentions for U.S. Patent No. 9,9,17,563

Apr 22, 2025EXHIBITPATENT OWNER

Global Dossier – JP2008039735

Apr 22, 2025EXHIBITPATENT OWNER

Alon

Apr 22, 2025EXHIBITPATENT OWNER

Notice: Extending Deadline for Discretion Briefing

Apr 21, 2025PAPERBOARD

Notice filing date accorded to petition

Feb 21, 2025PAPERBOARD

Notice: Mandatory Notice

Feb 4, 2025PAPERPATENT OWNER

Notice: Power of Attorney

Feb 4, 2025PAPERPATENT OWNER

EX-1001 U.S. Patent 9,917,563 (“the ’563 Patent”)

Jan 14, 2025EXHIBITPETITIONER

EX-1002 Prosecution History for U.S. Patent 9,917,563 1 of 2

Jan 14, 2025EXHIBITPETITIONER

EX-1002 Prosecution History for U.S. Patent 9,917,563 2 of 2

Jan 14, 2025EXHIBITPETITIONER

EX-1004 U.S. Patent Publication 2009/0212863 (“Ishimaru”)

Jan 14, 2025EXHIBITPETITIONER

EX-1005 U.S. Patent Publication 2004/0232982 (“Ichitsubo”)

Jan 14, 2025EXHIBITPETITIONER

EX-1006 Excerpts of Current Sources and Voltage References

Jan 14, 2025EXHIBITPETITIONER

EX-1007 U.S. Patent Publication 2011/0025422 (“Marra”)

Jan 14, 2025EXHIBITPETITIONER

EX-1008 Silicon-Germanium BiCMOS HBT Technology for Wireless Power

Jan 14, 2025EXHIBITPETITIONER

EX-1009 Excerpts of Comprehensive Dictionary of Electrical Engineering

Jan 14, 2025EXHIBITPETITIONER

EX-1010 U.S. Patent Publication No. 2011/0128078 (“Doherty”)

Jan 14, 2025EXHIBITPETITIONER

EX-1011 Christopher Bowick, “What’s in an RF Front End”

Jan 14, 2025EXHIBITPETITIONER

EX-1012 Bipolar Current Mirrors

Jan 14, 2025EXHIBITPETITIONER

EX-1013 Excerpts of Analysis and Design of Analog Integrated Circuits

Jan 14, 2025EXHIBITPETITIONER

EX-1014 Excerpts of Bipolar and MOS Analog Integrated Circuit Design

Jan 14, 2025EXHIBITPETITIONER

EX-1015 Excerpts of Illingworth, Dictionary of Electronics (3d Ed. 1998)

Jan 14, 2025EXHIBITPETITIONER

EX-1016 Declaration of June Ann Munford

Jan 14, 2025EXHIBITPETITIONER

EX-1017 TriQuint Semiconductor, Application Note TVS Protection and Bias

Jan 14, 2025EXHIBITPETITIONER

EX-1018 Certified Translation of Japanese Patent Application Publication JP

Jan 14, 2025EXHIBITPETITIONER

EX-1019 U.S. Patent 6,831,517 (“Hedberg”)

Jan 14, 2025EXHIBITPETITIONER

EX-1020 Joint Claim Construction Chart in ITC Inv. No. 337-TA-1413

Jan 14, 2025EXHIBITPETITIONER

EX-1021 VintageTek biography, Barrie Gilbert

Jan 14, 2025EXHIBITPETITIONER

EX-1022 Single-Package Integration of RF Blocks for a 5 GHz WLAN

Jan 14, 2025EXHIBITPETITIONER

EX-1023 Scherz, Practical Electronics for Inventors (2000) (Sherz)

Jan 14, 2025EXHIBITPETITIONER

EX-1025 A 2.4-GHz SiGe HBT power amplifier with bias current controlling

Jan 14, 2025EXHIBITPETITIONER

EX-1026 Patent Owner’s Markman Brief in ITC Inv. No. 337-TA-1413

Jan 14, 2025EXHIBITPETITIONER

EX-1027 Petitioner’s Markman Brief in ITC Inv. No. 337-TA-1413

Jan 14, 2025EXHIBITPETITIONER

EX-1028 Commission Investigative Staff’s Markman Brief in ITC Inv. No. 337-

Jan 14, 2025EXHIBITPETITIONER

Notice: Power of Attorney

Jan 14, 2025PAPERPETITIONER

EX-1024 Horowitz, Elementary Electricity and Electronics, Component by Comp

Jan 14, 2025EXHIBITPETITIONER

EX-1003 Declaration of Dr. David Ricketts

Jan 14, 2025EXHIBITPETITIONER

Petition: as filed

Jan 14, 2025PAPERPETITIONER