QD Oxford UK Limited et al. vs. Maybell Quantum Industries, Inc.

Explore the PTAB proceeding IPR2026-00291 filed by QD Oxford UK Limited et al. on 2026-03-16. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00291

Filing Date

2026-03-16

Accorded Filing Date

2026-03-16

Institution Decision Date

2026-08-25

Last Modified Date

2026-10-02

Proceeding Type

IPR

Termination Date

—

Trial Status

Trial Instituted

Parties & Counsel

Petitioner

QD Oxford UK Limited et al.

Represented By

Gray, Andrewet al

Patent Owner / Respondent

Maybell Quantum Industries, Inc.

Represented By

Giunta, Richardet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 3700 - Mechanical Engineering & Manufacturing

Patent Information

1 Patent Involved

Respondent Application Number 17860950

Respondent Patent Number 12313320

External Links

Espacenet

Google Patents

Respondent Inventor Corban I. Tillemann-Dick et al

Respondent Tech Center TC 3700 - Mechanical Engineering & Manufacturing

Address and Attorney/Agent Information

119 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name WOLF GREENFIELD & SACKS, P.C.

Customer Number 23628

Address 600 ATLANTIC AVENUE, BOSTON, MA, 02210-2206, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28129	John Welch	617-646-8000
31616	Edward Gates	617-646-8000
31624	Jason Honeyman	617-646-8222
32950	Edmund Walsh	617-646-8000
34681	James Morris	617-646-8000
35986	Randy Pritzker	617-646-8000
36149	Richard Giunta	617-646-8000
36628	Timothy Oyer	617-646-8251
36971	Douglas Wolf	617-646-8260
38232	Robert Maldonado	212-849-3339
39188	Neil Ferraro	617-646-8267
39213	James Hanifin Jr	617-646-8000
39231	Robert Hunt	617-646-8000
39248	Helen Lockhart	617-646-8249
40024	Jeffrey Hsi	617-646-8556
40212	John Van Amsterdam	617-646-8000
40286	Stephen Rabinowitz	212-849-3356
41418	Patrick Waller	617-646-8000
42866	Scott Mckeown	202-389-6025
43069	Edward Russavage	617-646-8515
43988	Adam Wichman	617-646-8571
46190	Michael Pomianek	617-646-8000
46324	Robert Walat	617-646-8000
46533	Charles Baker	617-646-8381
48207	Maria Trevisan	617-646-8000
48644	Andrew Williams	617-646-8000
50474	Gerald Hrycyszyn	617-646-8313
52146	Michael Rader	617-646-8000
52318	Janice Vatland	617-646-8000
52728	Tani Chen	617-646-8214
52957	Matthew Grady	617-646-8000
54986	Melissa Beede	617-646-8000
55151	Roque El Hayek	617-646-8000
57063	Gregory Nieberg	212-849-3338
58404	Tonia Sayour	212-697-7890
58423	Gabriel Mccool	617-646-8000
58767	Michael Parsons	617-646-8942
59924	Nidhi Malla	617-646-8572
61115	Jonathan Roses	617-646-8157
61146	Robert Jensen	617-646-8271
61674	Jessamine Lee	617-646-8272
62868	Daniel Young	617-646-8245
63390	Zachary Piccolomini	617-646-8579
63456	Thomas Franklin	617-646-8000
64978	Marc Johannes	617-646-8209
65507	Robert Sahr	617-646-8484
65843	Heather Dipietrantonio	617-646-8000
66229	Victor Cheung	202-571-5012
66256	Brandon Blackwell	617-646-8360
67110	Jason Balich	617-646-8498
67131	John Harmon Iii	617-646-8307
67336	Elisabeth Hunt	617-646-8443
68177	Oona Johnstone	617-504-4219
68598	Jennifer Wang	617-646-8392
69059	William Zhang	617-646-8257
70034	Cara Dawson	617-646-8000
70972	Daniel Rudoy	617-646-8303
71278	Daniel Smith	214-292-4071
72065	Mark Consilvio	202-408-3938
72100	David Gesner	617-646-8437
73256	Laura Rogers	212-336-3865
73865	Matthew Duffey	617-646-8537
73869	Zhiyun Ge	617-646-8472
73995	Curtis Powell	617-646-8534
74068	Jie Xiang	617-646-8000
74442	Lin Li	617-646-8502
74522	Kevin Macdonald	617-646-8497
75481	Philip Hamzik	617-646-8300
75857	Kirsten Weigel-Van Aken	202-350-2799
75967	Diana Borgas	(612) 339-3061
76050	Anant Saraswat	617-646-8187
76246	Adam Zeiger	617-646-8485
76538	Elizabeth Boehm	617-646-8000
76669	William Czaplyski	617-646-8494
76736	Michele Moresco	617-646-8000
76749	Danielle Samblanet	617-646-8565
76803	Amanda Varrichione	617-646-8161
76839	Jessica Von Reyn	617-646-8000
77021	Nathan Jacobs	617-646-8557
77065	Anne Weeks	617-646-8031
77265	Lingyin Ge	617-646-8199
77456	Saad Alam	617-646-8503
77641	Joseph Bowler	617-646-8393
77692	Elizabeth Mulski	617-646-8352
78514	Harrison Shecter	617-646-8183
78555	Andrew Varrenti	617-646-8314
78667	Flora Luo	617-646-8591
79027	Sarah Schlotter	617-646-8269
79358	Evan Jones	617-646-8000
79399	Andrew Maher	617-646-8596
79628	Tyler Goddard	617-646-8306
79725	Jeffrey Harrigan	617-646-8418
79773	Roshan Plamthottam	617-646-8770
79827	Charlotte Stewart-Sloan	617-646-8341
80263	Shangxing Lu	202-663-6000
80312	Samuel Doskocil	617-646-8198
80320	John Hovestadt	617-646-8348
80331	John Otterbein	908-420-6574
80350	Andrew Mathis	617-646-8562
80358	Colin Buss	617-646-8159
80498	Steven Hannigan	617-646-8573
80639	Edward Stanton	617-646-8873
80711	Kevin Chancellor	617-646-8373
80731	Samuel Kim	617-646-8000
81128	William Lindemann	617-646-8535
81205	Claire Lidston	617-646-8426
81429	Kylee Prosser	617-646-8590
81469	Victoria Julian	617-646-8495
81655	Jill Ryan	978-210-9065
81910	Conor Kavanagh	781-927-8679
81968	Joseph Noreika	212-849-3346
82138	Benjamin Walsh	617-646-8213
82211	Andrew Schlaus	212-849-3337
82354	Allison Mayne	617-646-8000
82491	Evan Bender	212-849-3351
82753	Adrienne Zagieboylo	617-646-8771
83072	Max Zegers	617-646-8660
83077	Samantha Collins	617-646-8564
83258	Karen Cruz	617-646-8444

Proceeding Documents

Patent Owner's First Updated Mandatory Notices NOTICE

2026-10-01 FILING PARTY: PATENT OWNER

Download

Patent Owner's Objections to Evidence OTHER

2026-09-09 FILING PARTY: PATENT OWNER

Download

SCHEDULING ORDER 37 C.F.R. § 42.5 ORDER

2026-09-01 FILING PARTY: BOARD

Download

Institution Decision: Grant DECISION

2026-08-25 FILING PARTY: BOARD

Download

Patent Owner's Preliminary Sur-Reply OTHER

2026-08-07 FILING PARTY: PATENT OWNER

Download

QD Oxford UK Limited et al. vs. Maybell Quantum Industries, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

QD Oxford UK Limited et al.

Represented By

Patent Owner / Respondent

Maybell Quantum Industries, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Patent Owner's First Updated Mandatory Notices NOTICE

Patent Owner's Objections to Evidence OTHER

SCHEDULING ORDER 37 C.F.R. § 42.5 ORDER

Institution Decision: Grant DECISION

Patent Owner's Preliminary Sur-Reply OTHER

Petitioners Reply to PO Preliminary Response OTHER

Director Discretionary Decision: Refer RESPONSE

IPR2026-00291 - Petitioners' Reply to Patent Owner's Supplemental Brief RESPONSE

Patent Owner's Supplemental Brief OTHER

Letter (with Exhibits) from A. Olejniczak to R. Pritzker et al. (August 28, 2025) Exhibit

Email Correspondence Exhibit

US20210076530A1 Exhibit

Ex. 1019 - Stipulation and Order to Substitute Parties Exhibit

Ex. 1018 - Petitioners' Stipulation Exhibit

Ex. 1021 - Declaration of Karen De Los Reyes Exhibit

Ex. 1020 - DocketNavigator Judge Noreika Time-to-Trial Statistics Exhibit

Patent Owner's Preliminary Response POPR

US6202439B1 Exhibit

IPR2026-00291 - Petitioners' Opposition to Patent Owner Discretionary Denial Brief RESPONSE

U.S. Patent App. Pub. No. 2022/0221107 Exhibit

Letter from A. Olejniczak to R. Pritzker et al. (August 28, 2025) Exhibit

U.S. Patent No. 9,699,266 Exhibit

Maybell Quantum Closes $40M Series B Led by Addition Exhibit

U.S. Patent App. Pub. No. 2023/0008279 Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

U.S. Patent No. 12,320,557 Exhibit

Maybell Quantum Announces $25M Series A Funding Led by Cerberus Exhibit

Patent Owner's Mandatory Notices NOTICE

Notice filing date accorded NOTICE

Exhibit 1005 Exhibit

Petition: as filed PETITION

Exhibit 1007 Exhibit

Exhibit 1008 Exhibit

Exhibit 1013 Exhibit

Exhibit 1011 Exhibit

Exhibit 1014 Exhibit

Exhibit 1010 Exhibit

Notice: Power of Attorney NOTICE

Exhibit 1003 Exhibit

Exhibit 1001 Exhibit

Exhibit 1004 Exhibit

Exhibit 1012 Exhibit

Exhibit 1002 Exhibit

Exhibit 1015 Exhibit

Exhibit 1006 Exhibit

Exhibit 1017 Exhibit

Exhibit 1016 Exhibit

Exhibit 1009 Exhibit