Innoscience (Zhuhai) Technology Company, Ltd. et al. vs. Efficient Power Conversion Corporation

Explore the PTAB proceeding IPR2023-01384 filed by Innoscience (Zhuhai) Technology Company, Ltd. et al. on 2023-09-19. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2023-01384

Filing Date

2023-09-19

Accorded Filing Date

2023-09-19

Institution Decision Date

2024-03-26

Last Modified Date

2025-06-02

Proceeding Type

IPR

Termination Date

2025-03-25

Trial Status

Final Written Decision

Parties & Counsel

Petitioner

Innoscience (Zhuhai) Technology Company, Ltd. et al.

Represented By

Lavenue, Lionelet al

Patent Owner / Respondent

Efficient Power Conversion Corporation

Represented By

Davis, Walteret al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2800 - Semiconductors, Electrical & Optical Systems

Patent Information

1 Patent Involved

Respondent Application Number 15655438

Respondent Patent Number 10312335

External Links

Espacenet

Google Patents

Respondent Inventor Jianjun Cao et al

Respondent Tech Center TC 2800 - Semiconductors, Electrical & Optical Systems

Address and Attorney/Agent Information

26 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Blank Rome LLP

Customer Number 24998

Address 1825 Eye Street, NW, Washington, DC, 20006-5403, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28419	Michael Greenbaum	202-772-5836
31063	Stephen Soffen	202-420-4879
32322	Russell Wong	713-632-8634
32699	Jon Grossman	202-420-2279
40220	Peter Weissman	202-772-5805
41151	Jay Lessler	212-885-5176
43631	Bruce George	215-569-5798
46510	Tara Marcus	202-772-5957
50239	Jonathan Mitchell	212-885-5000
59347	Hussein Akhavannik	202-420-2779
60073	Dipu Doshi	202-420-2604
63196	Matthew Homyk	--
65967	Jonathan King	215-569-5432
66273	Joseph Jackson	713-228-8600
67399	Daniel Peterson	713-632-8665
68030	Alexander Perry	202-420-3115
68383	Katherine Franco	713-632-8664
70684	Domingo Llagostera	713-632-8632
71223	Jonathan England	202-420-2747
71956	Cole Duncan	713-228-6601
72236	Ameya Paradkar	202-772-5849
72367	Megan Wood	202-420-2753
73315	Timothy Schwarz	202-420-2786
73782	Mark Mashack	202-420-2200
77797	Coalton Bennett	209-769-8007
80133	Matthew Mcdermott	716-812-6690

Proceeding Documents

JUDGMENT Final Written Decision Determining All Challenged Claims Unpatentable 35 U.S.C. § 318(a) FINAL

2025-03-25 FILING PARTY: BOARD

Download

Other: Hearing transcript OTHER

2025-02-13 FILING PARTY: BOARD

Download

Patent Owner's Demonstratives OTHER

2025-01-03 FILING PARTY: PATENT OWNER

Download

1033

Petitioner's Demonstratives Exhibit

2025-01-03 FILING PARTY: PETITIONER

Download

Petitioner's Updated Exhibit List NOTICE

2025-01-03 FILING PARTY: PETITIONER

Download

Innoscience (Zhuhai) Technology Company, Ltd. et al. vs. Efficient Power Conversion Corporation

Proceeding Overview

Parties & Counsel

Petitioner

Innoscience (Zhuhai) Technology Company, Ltd. et al.

Represented By

Patent Owner / Respondent

Efficient Power Conversion Corporation

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

JUDGMENT Final Written Decision Determining All Challenged Claims Unpatentable 35 U.S.C. § 318(a) FINAL

Other: Hearing transcript OTHER

Patent Owner's Demonstratives OTHER

Petitioner's Demonstratives Exhibit

Petitioner's Updated Exhibit List NOTICE

Petitioner LEAP Request Granted NOTICE

Patent Owner LEAP Request Granted NOTICE

Joint Stipulation for Alternative Schedule for Serving Demonstratives OTHER

ORDER Setting Oral Argument 37 C.F.R. § 42.70 ORDER

Petitioner's Request for Oral Hearing OTHER

Patent Owner's Request for Oral Argument OTHER

Patent Owner Sur-Reply OTHER

Petitioner's Updated Exhibit List NOTICE

Petitioner's Reply REPLYTOOPP

Hand drawing from Deposition of Dr. James R. Shealy, May 16, 2024 Exhibit

Petitioner's Objections to Patent Owner's Evidence OTHER

EX 2009 Respondents' Post-Hring Initial Brief (337-TA-1366) Exhibit

EX 2002_Diagram Exhibit

Patent Owner's Response RESPONSE

EX 2008 Evidentiary Hring Transcript, pgs 741-984 (Inv. No. 337-TA-1366) Exhibit

Ex 2005_Declaration of E. Fred Schubert, PhD. [23-1384] Exhibit

EX 2001_Patent Owner's Depo Notice-Dr. James Shealy (IPR23-01384) Exhibit

EX 2004_05.16.24_Depo Transcript-James Shealy Ph.D (IPR23-01382) Exhibit

EX 2003_Diagram Exhibit

EX 2007_Petition for IPR23-01382 of 347 Pat Exhibit

EX 2006_Curriculum Vitae E. Fred Schubert Exhibit

Petitioner's Updated Mandatory Notices NOTICE

Patent Owner's Notice of Deposition of J. Shealy NOTICE

Petitioner's Updated Power of Attorney NOTICE

Patent Owner's Updated Mandatory Notice NOTICE

Order: Scheduling Order ORDER

Institution Decision: Granting Institution of Inter Partes Review 35 U.S.C. sec. 314 DECISION

Exhibit 3001 Exhibit

Patent Owner's Sur-Reply to Petitioner's Preliminary Reply NOTICE

Excerpt of Complainant’s Supplemental Responses to Respondents’ Supplemental Invalidity Contentions Exhibit

Petitioner's Preliminary Reply OTHER

Excerpt of the Declaration of Dr. Eric Fred Schubert in Support of Complainant’s Opening Claim Construction Brief Exhibit

Petitioner's Updated Exhibit List NOTICE

Patent Owner's Preliminary Response POPR

Patent Owner's Power of Attorney NOTICE

Patent Owner's Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

Certified Translation of Japanese Patent Publication No. JP H11- 261053 Exhibit

Widmann, Metallization for Integrated Circuits Using a Lift-Off Technique Exhibit

Power of Attorney - Innoscience (Zhuhai) Technology Company, Ltd. NOTICE

U.S. Patent Application Publication No. US 2006/0273347 A1 to Hikita Exhibit

U.S. Patent Application Publication No. US 2002/0066908 A1 to Smith Exhibit

U.S. Patent Application Publication No. US 2009/0072272 A1 to Suh Exhibit

Power of Attorney - Innoscience America, Inc. NOTICE

Suh, p-GaN/AlGaN/GaN Enhancement-Mode HEMTs, 2006 64th Device Research Conf Exhibit

U.S. Patent Application Publication No. US 2006/0108606 A1 to Saxler et al. Exhibit

Petitioner and Complainant’s Proposed Claim Construction, ITC 337-TA-1366 Exhibit

Uemoto, A Normally-off AlGaN/GaN Transistor Exhibit

International Publication No. WO 2005/057624 to Beach Exhibit

Prosecution History of the ’335 patent Exhibit

Xu, Leakage Current of the Schottky Contact on the Mesa Edge of AlGaN/GaN Exhibit

Declaration of Kelley Hayes Greenhill Exhibit

Curriculum Vitae of Dr. James Richard Shealy Exhibit

U.S. Patent No. 10,312,335 to Cao Exhibit

U.S. Patent Application Publication No. US 2010/0258843 A1 to Lidow et al. Exhibit

U.S. Patent Application Publication No. US 2007/0007547 A1 to Beach Exhibit

Declaration of Dr. James Richard Shealy Exhibit

U.S. Patent No. 9,748,347 to Cao et al. Exhibit

Shenoy, Effect of Mask Wall Angle on Shape Evolution during Through‐Mask Exhibit

Order Granting Defendants’ Unopposed Motion for Stay Pending ITC Proceeding Exhibit