Monolithic Power Systems, Inc. vs. Reed Semiconductor Corp.

Explore the PTAB proceeding IPR2026-00165 filed by Monolithic Power Systems, Inc. on 2025-12-01. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00165

Filing Date

2025-12-01

Accorded Filing Date

2025-12-01

Institution Decision Date

2026-04-14

Last Modified Date

2026-06-18

Proceeding Type

IPR

Termination Date

2026-04-14

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Monolithic Power Systems, Inc.

Represented By

Naples, Clementet al

Patent Owner / Respondent

Reed Semiconductor Corp.

Represented By

Gray, Andrewet 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 12096765

Respondent Patent Number 7960955

External Links

Espacenet

Google Patents

Respondent Inventor Tomoyuki Ito et al

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

Address and Attorney/Agent Information

116 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Morgan, Lewis & Bockius LLP (PA)

Customer Number 24341

Address 1400 Page Mill Road, Palo Alto, CA, 94304-1124, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
31066	Gary Williams	650-843-7501
37386	Michael Lyons	650-843-7507
39266	Soyeon Laub	714-830-0512
39951	Douglas Crisman	650-843-4000
40506	Louis Beardell Jr	215-963-5067
41040	Robert Goodell	202-739-5549
41796	Andrew Gray Iv	650-843-4000
42223	Jason White	312-321-4200
42813	Brett Lovejoy	415-442-1211
42837	Jeffry Mann	415-442-1000
43378	Collin Park	202-739-3000
44146	Brent Hawkins	415-442-1000
45645	Dion Bregman	650-843-4000
46552	Robert Beyers	650-843-7528
46692	Ramyar Farid	202-739-5195
50688	Kenneth Davis	215-963-5392
50801	Robert Smyth	202-739-5139
50862	Ahren Hsu-Hoffman	650-843-4000
50891	Jeffrey Killian	202-739-5592
51793	Mark Hayman	617-951-8440
53615	Nathan Smith	949-757-6018
55001	Olga Berson	310-907-9045
55202	Jason Gettleman	650-843-7593
55293	Ari Indik	215-864-7138
56890	Christopher Betti	312-324-1449
57765	Yalei Sun	650-843-7558
58533	Matthew Currie	617-951-8293
58729	Louis-Vu Nguyen	415-442-1303
58752	John Hemmer	215-963-4816
59462	Brad Wilson	312-324-1103
59649	Tae Woong Koo	650-843-7246
60472	M. Hales	714-830-0514
60711	Richard Leung	215-963-5082
61673	Albert Lee	714-830-0600
61841	Kenneth Cheney	714-830-0526
61944	Manita Rawat	650-843-7267
62741	Shaobin Zhu	206-839-4894
63115	Michael Ryan	610-574-1318
63133	Stephen Altieri	617-951-8525
63328	Clay Hawes	7034154864
64526	Janice Logan	202-439-5234
65210	Christina Macdougall	415-442-1277
65452	Kelly Plummer	312-324-1490
65592	Liying Sun	650-843-7215
66595	Daniel Tarr	215-963-4995
66838	Jianbai Wang	650-843-7843
66874	Bo Tang	832-380-4596
67084	Maria Doukas	312-324-1454
67908	Yingying Zhou	415-442-1214
67961	Tairan Wang	202-739-5119
68345	Danny Mansour	714-830-0600
68487	Alia Orbin	610-390-7234
69096	Toyomi Ohara	202-739-3000
69316	Byung Cheol Kwak	617-341-7264
69333	Hosang Lee	202-937-5142
70067	Sujohn Das	713-890-5792
70236	Kalpesh Upadhye	202-739-5157
70711	Benjamin Pezzner	650-843-4000
70871	Andrew Antczak	215-963-5000
71054	Yon Sohn	858-587-1121
71064	David Bernstein	650-843-4000
71076	Wan-Shoon Lo	312-984-5810
71397	Alexander Stein	650-843-7278
71751	Moreshwar Vaze	617-341-7952
71783	Nicholas Restauri	312-324-1000
72445	Jianke Kang	202-739-5183
73464	Hang Zheng	202-585-8307
73683	Amanda Williamson	312-324-1450
73696	Chantal Edde	215-963-5656
74139	Ka Lo Yeh	650-843-7815
74438	Nicholaus Floyd	713-890-5142
74539	Sadie Knight	415-442-1000
74630	Victor Ghidu	215-963-5719
74770	Pei Che Soon	120-273-95707
75253	Alyssa Pugh	215-963-5070
75470	Sara Sims	215-963-5630
75669	Andrew Dietrick	570-906-0745
75688	Emily Coury	617-341-7818
75724	Alexandra Koseva	650-843-7211
75810	Matthew Walker	206-274-6374
75815	Catherine Chou	650-843-4000
76003	Drew Bennett	617-341-7833
76140	Alexandria Petterson	650-843-7841
76203	Calvin Brien	202-739-5167
76671	Andrew Devkar	310-255-9070
77267	Ai Leen Koh	650-843-7823
77446	Theodore Rand	650-843-7275
77698	Phillip Wolfe	215-963-5454
77918	Alicia Fraind	215-972-8594
77996	Min Woo Park	202-673-95697
78072	Conor Ball	415-442-1668
78272	Sandhal Olds	765-618-4658
79029	Alexander Harrison	404-815-6046
79060	Kannan Narayanan	408-685-3658
79300	Evelyn Chou	415-442-1609
79663	Kathryn Chesnick	570-878-2384
79760	Xiaoqian Li	650-843-7853
79839	Peter Loderup	714-830-0517
79856	Timmy Lee	650-843-7517
80363	Yuqi Li	215-564-3236
80469	Alec Mandell	650-843-7228
80622	Corey Moore	617-341-7852
81009	Brandon Pongracz	815-579-0818
81040	Eunjean Je	202-739-5929
81210	Hayley Reed	215-963-4957
81433	Kurosu Altaf	650-843-7233
81482	Pablo Herrera Jr.	650-843-7512
81484	Samantha Kuo	714-579-5530
81826	Joyce Guo	650-843-7272
81935	Jia Jie Tang	617-951-8000
81982	Corine Martineau	215-963-5030
81997	Jennifer Patritti Cram	281-809-4108
82004	Isabella Couture	316-680-1931
82194	Avery Welker	713-890-5000
82338	Manu Bansal	716-400-3902
L1413	Xinming Zhang	415-442-1392

Proceeding Documents

Notice of Refund NOTICE

2026-06-18 FILING PARTY: BOARD

Download

Petitioner's Request for Refund OTHER

2026-06-12 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2026-04-14 FILING PARTY: BOARD

Download

Patent Owner's Updated Mandatory Notices NOTICE

2026-04-07 FILING PARTY: PATENT OWNER

Download

Petitioner's Updated Mandatory Notices Under 37 C.F.R. 42.8 NOTICE

2026-04-02 FILING PARTY: PETITIONER

Download

Monolithic Power Systems, Inc. vs. Reed Semiconductor Corp.

Proceeding Overview

Parties & Counsel

Petitioner

Monolithic Power Systems, Inc.

Represented By

Patent Owner / Respondent

Reed Semiconductor Corp.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice of Refund NOTICE

Petitioner's Request for Refund OTHER

Director Discretionary Decision: Deny RESPONSE

Patent Owner's Updated Mandatory Notices NOTICE

Petitioner's Updated Mandatory Notices Under 37 C.F.R. 42.8 NOTICE

Ex. 2013 - MPS' Preliminary Invalidity Contentions dated 2026-02-06 Exhibit

IPR2026-00165 Patent Owner Sur-Reply ISO Preliminary Response to Petition OTHER

ADA Standing Order Governing Proceedings Exhibit

March 8, 2026 Email from M. Bombach to D. Heske Exhibit

March 12, 2026 Email from M. Bombach to D. Heske Exhibit

Petitioner's Reply to Patent Owner's Preliminary Response OTHER

E-mail authorizing briefing Exhibit

Ex. 2012 Exhibit

Ex. 2011 Exhibit

Complaint for Patent Infringement - 6:25-cv-00449 Exhibit

IPR2026-00165 Patent Owner's Preliminary Response re '955 Patent POPR

MPS NB680 Datasheet Exhibit

MPS MPQ4420A Datasheet Exhibit

Patent Assignment Exhibit

Monolithic Power Systems 2024 Annual Report Exhibit

LegalMetric Time to Trial Report for Texas Western District Court Patent Cases Exhibit

MPS NB670 Datasheet Exhibit

Appendix A - Reed Infringement Contentions Exhibit

MPS MP2225 Datasheet Exhibit

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

Ex. 2004 Exhibit

Ex. 2001 Exhibit

Ex. 2005_Part 2 of 4 Exhibit

Ex. 2010 Exhibit

Ex. 2005_Part 3 of 4 Exhibit

Ex. 2008 Exhibit

Ex. 2005_Part 1 of 4 Exhibit

Ex. 2007_Part 1 of 2 Exhibit

Ex. 2009 Exhibit

Ex. 2005_Part 4 of 4 Exhibit

Ex. 2003 Exhibit

Ex. 2006_Part 2 of 2 Exhibit

Ex. 2007_Part 2 of 2 Exhibit

IPR2026-00265 Patent Owner's Discretionary Denial Brief RESPONSE

Ex. 2002 Exhibit

Ex. 2006_Part 1 of 2 Exhibit

Notice of Petitioner's Sotera Stipulation NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

Petition: as filed PETITION

US4675797 Exhibit

Notice: Power of Attorney NOTICE

McAlexander Declaration Exhibit

955 FH Exhibit

US5528132 Exhibit

US5428286 Exhibit

US7015544 Exhibit

McAlexander CV Exhibit

US7960955 Exhibit

US6271652 Exhibit