Xu Peicheng (Hong Kong) Optoelectronic Technology Co., Limited et al. vs. SEMISILICON TECHNOLOGY CORP.

Explore the PTAB proceeding IPR2024-00156 filed by Xu Peicheng (Hong Kong) Optoelectronic Technology Co., Limited et al. on 2023-11-08. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2024-00156

Filing Date

2023-11-08

Accorded Filing Date

2023-11-08

Institution Decision Date

2024-05-20

Last Modified Date

2025-07-21

Proceeding Type

IPR

Termination Date

2025-05-14

Trial Status

Final Written Decision

Parties & Counsel

Petitioner

Xu Peicheng (Hong Kong) Optoelectronic Technology Co., Limited et al.

Represented By

Handy, John

Patent Owner / Respondent

SEMISILICON TECHNOLOGY CORP.

Represented By

Yang, Ming-Taoet 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 13232932

Respondent Patent Number 8884546

External Links

Espacenet

Google Patents

Respondent Inventor Wen-Chi PENG

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

Address and Attorney/Agent Information

1 Registered Practitioner

Power of Attorney & Correspondence

Firm / Entity Name HDLS IPR SERVICES

Customer Number 84956

Address P.O. BOX 220776, CHANTILLY, VA, 20153, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
64041	Chun-Ming Shih	571-276-5506

Proceeding Documents

Final Written Decision: original FINAL

2025-05-14 FILING PARTY: BOARD

Download

Patent Owner's Reply Post-Hearing Supplemental Brief OTHER

2025-03-31 FILING PARTY: PATENT OWNER

Download

Petitioner's Responsive Post-Hearing Supplemental Brief OTHER

2025-03-31 FILING PARTY: PETITIONER

Download

Patent Owner's Opening Post-Hearing Supplemental Brief OTHER

2025-03-24 FILING PARTY: PATENT OWNER

Download

Petitioner's Opening Post-Hearing Supplemental Brief OTHER

2025-03-24 FILING PARTY: PETITIONER

Download

Xu Peicheng (Hong Kong) Optoelectronic Technology Co., Limited et al. vs. SEMISILICON TECHNOLOGY CORP.

Proceeding Overview

Parties & Counsel

Petitioner

Xu Peicheng (Hong Kong) Optoelectronic Technology Co., Limited et al.

Represented By

Patent Owner / Respondent

SEMISILICON TECHNOLOGY CORP.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Final Written Decision: original FINAL

Patent Owner's Reply Post-Hearing Supplemental Brief OTHER

Petitioner's Responsive Post-Hearing Supplemental Brief OTHER

Patent Owner's Opening Post-Hearing Supplemental Brief OTHER

Petitioner's Opening Post-Hearing Supplemental Brief OTHER

Other: Hearing transcript OTHER

Order: Conduct of Proceeding (Additional Briefing) ORDER

Petitioner's Updated Exhibit List NOTICE

Patent Owner's Demonstratives Exhibit

Patent Owner's Updated Exhibit List NOTICE

Petitioner's Demonstratives Exhibit

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

Petitioner's Request for Oral Argument OTHER

Patent Owner's Request for Oral Hearing OTHER

Patent Owner's Sur-Reply OTHER

Patent Owner's Updated Exhibit List NOTICE

Deposition transcript of Dr. E. Fred Schubert (December 9, 2024) Exhibit

Patent Owner's Notice of Deposition of Dr. E. Fred Schubert NOTICE

Excerpts from Modern Dictionary of Electronics (7th ed. 1999) Exhibit

Renfors et al., Signal Processor Implementation of Digital All-Pass Filters, IEEE TRANSACTIONS ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, Volume 36, Issue 5, (May 1988) Exhibit

Excerpts from McGraw-Hill Dictionary of Scientific and Technical Terms (6th ed. 2003) Exhibit

Jarske et al., Signal Processor Implementation of Variable Digital Filters, IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, Volume 37, Issue 3 (Sept. 1988) Exhibit

Excerpts from The American Heritage Science Dictionary (2005) Exhibit

Petitioner's Updated Exhibit List NOTICE

Reply Declaration of E. Fred Schubert, Ph.D. Exhibit

Excerpts from Dictionary of Computer Science, Engineering, and Technology (2001) Exhibit

Excerpts from The Computer Glossary: The Complete Illustrated Edition (9th ed. 2001) Exhibit

Excerpts from The Illustrated Dictionary of Electronics (8th ed. 2001) Exhibit

Petitioner's Reply to Patent Owner's Response REPLYTOOPP

Panel Change Order ORDER

Patent Owner's Response RESPONSE

Definitions of “pin” and “signal” from Microsoft Computer Dictionary (1999) Exhibit

Wilson, Peter, The Circuit Designer’s Companion, Third Edition (2012) Exhibit

Patent Owner's Exhibit List NOTICE

Declaration of Michael Lebby, Ph.D. Exhibit

Gibilisco, Stan, The Illustrated Dictionary of Electronics, Eighth Edition (2001) Exhibit

Patent Owner's Notice of Deposition of Dr. E. Fred Schubert NOTICE

Institution Decision: Grant DECISION

Order: SCHEDULING ORDER ORDER

Exhibit 3001 Exhibit

Patent Owner's Preliminary Response POPR

Patent Owner's Updated Mandatory Notices NOTICE

Notice : Mandatory Notice NOTICE

Notice : Power of Attorney NOTICE

Petitioner's Updated Mandatory Notices NOTICE

Notice : Power of Attorney NOTICE

Notice : Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

U.S. Patent No. 6,774,584 to Lys et al. (“Lys”) Exhibit

U.S. Patent No. 8,884,546 Exhibit

Japanese Unexamined Patent Application Publication No. JP2006- 228529 Exhibit

Petitioner's Power of Attorney NOTICE

Prosecution File History of U.S. Patent No. 8,884,546 Exhibit

Certified English Translation of Japanese Unexamined Patent Application Pub Exhibit

U.S. Publication No. 2009/0021955 to Kuang et al. (“Kuang”) Exhibit

Declaration of Dr. E. Fred Schubert Exhibit

U.S. Publication No. 2012/0050606 to Debevec et al. (“Debevec”) Exhibit

Excerpts from Modern Dictionary of Electronics (7th ed. 1999) Exhibit

Petition for Inter Partes Review of U.S. Patent No. 8,884,546 PETITION